Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
S No
Class Subjects
1 VI English Hindi Math Science Social Science
Sanskrit
2 VII English Hindi Math Science Social Science
Sanskrit
3 VIII English Hindi Math Science Social Science
Sanskrit
4 IX English Hindi Math Science Social Science
5 X English Hindi Math Science Social Science
6 XII
English Hindi Maths Physics Chemistry Biology
Comp Science
Accountancy Business Studies
Economics Pol Science
History
Geography Physical Education
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-English
HANDWRITING-30 PAGES
PARAGRAPH WRITING ndash
1 ENVIROMENTS 2 A VISIT TO ZOO 3 SEIF HELP IS THE BEST HELP
LETTER WRITING-
1 AN APPLICATION FOR MARRIAGE LEAVE 2 AN APPLICATION FOR FEE CONCENSSION
LEARNING TASK- LEARN amp WRITE THE QUESTION ANSWER OF ALL THE CHAPTERS WHICH HAVE BEEN DONE IN THE CLASS (WORD MEANING) BOOK EXERCISE
1 WHO DID PATRICKrsquoS HOMEWORK 2 A HOUSE A HOME 3 HOW THE BOY FOUND HIMSELF A NEW MASTER 4 A TALE OF TWO BIRDS
(FIND OUT THE DIFFICULT WORDS ON THEIR OWN IN THE GIVEN CHAPTERS)
PRODUCTIVE ACTIVITY- MAKE A BEAUTIFUL KITE ON YOUR OWN (USING A NEWSPAPER COLOUR PAPER ETC)
PREPARE A STORY (FAIRY TALE) TO DISCUSS WITH OTHER IN THE CLASS
1) FILL UP THE BLANKS WITH lsquoArsquo lsquoANrsquo OR lsquoTHErsquo= A HE IS helliphelliphelliphelliphelliphellip HONORABLE PERSON B PIEASE GIVE ME helliphelliphelliphelliphellip APPLE C IT IS NOT helliphelliphelliphelliphellip GOOD CHAIR D HE WAS helliphelliphelliphelliphelliphellip MAHATMAGANDHI OF OUR CITY E GOLD IS helliphelliphelliphelliphelliphellipPRECIOUS METAL F SRILANKA IS helliphelliphelliphelliphellip ISLAND G ENGLISH IS helliphelliphelliphelliphellip INTERNATIONAL LANGUAGE H HE IS helliphelliphelliphelliphellip MAN WHO MET ME YESTERDAY I helliphelliphelliphelliphellip SUN RISES IN helliphelliphelliphelliphelliphellip EAST J helliphelliphelliphelliphellip BLACK AND WHITE KITTENS WAS PLAYING IN GARDEN K I HAVE READ helliphelliphelliphellip FIRST CHAPTER OF THIS BOOK L helliphelliphelliphelliphellip GUIDE KNOWS helliphelliphelliphelliphellipWAY M SHE IS helliphelliphelliphelliphellip BEAUTIFUL GIRL AND HAS helliphelliphelliphellipGOOD
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Hindi
१ रामायण पसतक को पढ़ना (पज एक स पचास)
२ सलख दस पज
३ उपसरग १५ शबद
४ परतयय १५ शबद
५ पयागयवाची १५ शबद परतयक क ३ शबद |
६ बीमारी अवकाश क ललए परारगना पतर |
७ खल ददवस
दीपावली |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Maths
INSTRUCTION Revise chp-1 (Knowing our numbers) amp
chp-2(Whole numbers) and do the following two assignments
ASSIGNMENT-I
NOTE This assignment is based on the chapter-1
(Knowing our numbers)
Q1 Put appropriate sign in the box lt gt or =
207855399 207585244
Q2 Convert to smaller units 2m = hellip cm
Q3 Use the given digits 9741 without repetition and make
the Greatest and smallest 4-digit numbers Also find the
difference between them
Q4 Arrange the following numbers in ascending order
847975497458320572
Q5 Insert the commas and write the number in hindu Arabic
System (I) 59847215 (II) 18950049
Q6 Insert the commas and write the number in international
System (I) 97654310 (II) 279453
Q7 Write the numeral for each of the following
(I) Nine thousand eighteen helliphelliphelliphelliphelliphelliphellip
(II) Fifty two million two hundred five thousand six helliphelliphelliphelliphellip
Q8Estimate the sum to nearest hundred as well as to nearest
tens place 3280 + 4395
Q9 A merchant had rs 78592 with herShe placed an order for
Purchasing 40 radio sets at rs1200 each How much money
Will remain with her after the purchase
Q10 A book exhibition was held for four days in a school The
Number of tickets sold at the counter on the first second
Third and final day was respectively 109418122050 and
2751 Find the total number of tickets sold on all 4 days
ASSIGNMENT-2
NOTE This assignment is based on the chapter-2
(Whole numbers)
Q1 Write the smallest and largest whole number
Q2 Find the successor (I) 48499 (II) 10999
Q3 Find the predecessor (I) 9999 (II) 1000
Q4 Find the sum by suitable rearrangement 1842 + 453 +158
Q5 Find the product by suitable rearrangement 25 times 8358 times 4
Q6 Simplify 126 times 55 + 126 times 45
Q7 Find the product using suitable properties
(I) 8 times 392 times 125 (II) 104 times 108
Q8 A vendor supplies 35 litres of milk to a hotel in the evening
And 70 litres of milk in the morning If the milk costs Rs30
Per litre how much money is due to the vendor per day
Q9 A taxi driver filled his car petrol tank with 40 litres of petrol
On Monday The next day he filled the tank with 35 litres of
Petrol If the petrol costs Rs44 per litre how much did he
Spend in all on petrol
Q10 Give the example of a number which when multiplied by
Itself gives the same number
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Science
Learn and write all the following questions - Q1How is honey produced by honey bees Q2 Make a list of 12 animals and the foods they eat Q3Name some products we get from animals Q4Make a list of food items generally taken by people of different regions of India Q5Name two foods rich in fats starch dietary fiber protein Q6How do vitamins protect our body Q7How can we test the presence of fats and protein in food Q8Make a table of diseases disorders caused by deficiency of vitamins and minerals Q9_____________ chemical is used to test the presence of starch in food Q10 ___________ chemical is used to test the presence of proteins in food Q11Name the major nutrients present in food Q12What are natural fibers Give example Q13Name the states of India where jute is grown Q14Explain the process of making yarn from fiber Q15What are synthetic fibers Give example Q16Silk is obtained from ______________ of silkworm Q17Device used for spinning is called ____________ Q18 The fruit of cotton plant is called _____________ Q19Define the following 1) Fabric 2) Fibre 3) Knitting 4) Spinning 5) Scurvy 6) Balanced Diet 7) Goitre 8) Anaemia 9) Rickets 10) Bee hives Q 20 On a scrap book name and Paste different food items containing carbohydrates proteins fats and minerals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Social Science
GEOGRAPHY
CHAPTER - EARTH IN SOLAR SYSTEM
1 How does a planet differ from a star
2 Why Earth is a unique planet
CHAPTER - GLOBE LONGITUDE AND LATITUDE
1 What is the true shape of earth
2 What is a Globe
3 What is three zone of the earth
HISTORY
CHAPTER - WHAT WHERE HOW AND WHEN
1 List one major difference between Manuscripts and Inscriptions
2 Describe at least two ways in which you think the lives of Kings would have been different from
those of farmers
CHAPTER- ON THE TRAIL OF THE EARLIEST PEOPLE
Why did the hunter gatherer travel from the place to placeIn what ways are these similar to and
different from the reasons for which we travel today
CIVICS
UNDERSTANDING DIVERSITY
Draw a list of the different festivals celeberated in your locality Which of these celeberations are shared
by the number of different regions and religions
COMMUNITIES
MAP SKILL
To Fill 5 Indian political map with 29 states and capitals and 8 Union Territories with their Capital
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख |
छातर परततजञा व परारगना ससकत म याद कर |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-English
(1)- Itoutside(rain)
(2)- Ravi to his friends (talk)
(3)- He tennis there (play)
(4)- They noise in the class(always)
(5)-Imy doctor tonight(visit)
(6)-Wethe doctor(close)
(7)-Sita in library(study)
(8)-She sweater for son(knit)
(9)-The planeat fiveO clock (leave)
(10)-Youin the class(always)
(11)-Wefor Mumbai on sunday(leave)
(12)-My class move(run)
(13)-Someone at the door(knock)
(14)-He for you in the office(wait)
(15)-The dog at the gate (bark)
(16)-What are you(do)
(17)-He inltaly at the moment(work)
(18)-That child bigger everyday (get)
(19)-Who is that girl on the table(stand)
(20)- Ifor the shops to open(wait)
FILL IN THE BLANKS WITH APPORPRIATE
SIMPLE PRESENT TENSE FORM OF THE
VERB GIVEN IN THE BRACKETS
1the plane at 630(arrive)
2i will phone you when he back(come)
3unless we now we cant be there on time(start)
4the sun in the last (rise)
5 the next on monday(begin)
6she an engineer(be)
7 they our relatives(be)
8when does the train (depart)
9lets wait till hehis work(finish)
10iyou(like)
COMPLETE THE EXERCISE WITH CONVENINENT PREPOSITIONS-
1 nice meet you
2 dont be lateschool
3are you the new studentportugal
4 are you a teacher this school
5jessica is vacation she is italy now
6 what is this called english
7 lookthe flower
8adams birthday is july
9dont run the classroom
WRITING SECTION
DIARY ENTRIES-
1 You participate in a speech competition and could not perform well write your feelings in your dairy
2 You had memorable time with your friends spending the summer holidays in a beautifull place make a dairy
entry expressing the joy
3 You went to see the IPL match where you favorite team won the match and intered into the semi finals
Write the dairy entry expressing your feeling
4 Your teacher has asked you to record your resolution for the new your Erite a dairy entry in so 50 words
5 Write a dairy entry about a slopless summer night
Paragraph writing -
1 Global warming
2 Heath food vessus junk food in todayrsquo society
3 Laughter is a good medicine
4 Value of decipline
30 page ndash hand wrighting
READING TASKS
Read the following chapter carefully-
1 The rebel
2 Gopal and the hilsa fish
3 Bringing Up and Kasi
a) find the answer of the given question in all these chapter
b) find out the difficult words on your own while reading the chapter and prepare a list of those words and find out there
meaning from the dictionary
c) learn the question answer word meaning of those chapter which leave been done in the class
GRAMMER
RE-ARRANG THE FOLLOWING WORD TO MAKE A MEANING SENTENCE
A) Gothecanonconversationthree minutesfor
B) Disconnectedgetsaftersoontheline
C) Readhardlyhavetotheyanythingbut
D) Is aice creamthattoughbusinessseeling
E) Itrsquos the king coneshotcakessell like that
F) Some friendscustomersfavouredbythere arewhich are nothowever
G) Thestarsskytwinkletheinatnight
H) Reveal universecouldthesizethisof the
I) Twinkilingscientists saythestarsthat of thedistanceindicates
J) Astronomers this allow should to distance measures
USE THE FOLLOWING BLANK OF PREFIXES AND SUFFIXES TO MAKE SOME NEW WORDS
BANK OF SUFFIXES-
(1)- able
(2)-ful
(3)-ly
(4)-al
(5)-ion
Bank of prefixes-
(1) dis-
(2) In-
(3) Re-
(4) il-
(5)pre-
(6)un-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Hindi
१ महाभारत पसतक को पढ़ना (पज एक स पचास)
२ सलख दस पज
३ उपसरग १५ शबद
४ परतयय १५ शबद
५ पयागयवाची १५ शबद परतयक क ३ शबद |
६ अवकाश क ललए परारगना पतर |
७ १५ अरसत
रकषाबधन तनबध
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Maths
INSTRUCTION Revise chp-1(Integers) amp chp-2(Fractions and Decimals
and do the following two assignments
ASSIGNMENT-I
NOTE This assignment is based on the chapter-1 (Integers)
Q1Add the following integers using suitable association
375 + (-476) + (-75) + (-124)
Q2Put appropriate sign in the box lt gt or =
-230+59-60 -390+159+30
Q3The sum of two integers is -29If one of them is 475 find
the other
Q4Write down a pair of integers whose
(I) sum is -3
(II) difference is -5
Q5 Find (I) (-18)times(-5)times(-6)
(II) (-15)times(-14) + (-15)times(-16)
Q6 Divide (I) (-81) by (-9)
(II) (-324) by 18
Q7 Verify a-(-b) = a+b for the values of a=118 and b=125
Q8 (I) Represent the statement in the form of an integer
Rs 1000 deposited in the bank
(II) Write opposite of following as integer
5 km above the sea level
Q9 At Srinagar temperature was -3degC on Monday and then it
Dropped by 5degC on Tuesday What was the temperature of
Srinagar on Tuesday On Wednesday it rose by 4degC What
Was the temperature on this day
Q10 In a class test containing 10 questions 5 marks are
Awarded for every correct answer and -2 marks are
Awarded for every incorrect answer and 0 marks for
Not attempting
Mohit gets four correct and 6 incorrect answers What
Is his score
ASSIGNMENT-2
NOTE This assignment is based on the chapter-2 (Fractions amp
Decimals)
Q1 Find the sum (I) (II)
Q2 Find (I) (II)
Q3 Find (I) (II)
Q4 Divide (I) 6 divide (II)
Q5 Find (I) of 25 (II)
Q6 Write in ascending arrangement
Q7 Find (I) 27 times 4 (II) 23 times 435 (III)563 times 1000 (IV) 12 times 10
Q8 Convert (I) 7394 m to km (II) 30 kg 80 g as kg
Q9 Find the perimeter of rectangular park whose length and
Breadth are m and 34 m respectively
Q10 Find the area of a rectangle whose length is 67 cm and
Breadth is 45 cm
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Science
Q1Draw the diagram of the following
A) Digestive system
B) Different types of teeth
C) Ruminants
D) Amoeba
E) Stomata
F) Life cycle of Silkworm
Q2 Define the following terms by giving one example each
1) Shearing
2) Fleece
3) Scouring
4) Sorting
5) Sericulture
6) Nutrition
7) Nutrients
8) Autotrophic
9) Heterotrophic
10) Photosynthesis
11) Parisitic
12) Insectivorous
13) Stomata
14) Chlorophyll
15) Ingestion
16) Digestion
17) Absorption
18) Pseudopodia
19) Villi
20) Milk teeth
21) Permanent teeth
22) Egestion
Q3Make 10 MCQ lsquoS each from lesson 1 2 3
Q4Why do organisms need to take food
Q5 Distinguish between parasite and saprotroph
Q6Give a brief description of the process of synthesis of food in green plants
Q7What is stomata and what is its function
Q8 What is nutrition
Q9What is villi What is its location and function
Q10 Why cellulose cannot be digested by human beings
Q11Where is bile produced and writes its function
Q12What is the role of acid in stomach
Q13Explain the process of digestion in amoeba
Q14Explain the life cycle of silkworm
Q15Make a working model from topics given below
a) Conservation of energy
b) Health
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Social Science
1 Make a practical file on Components of environment How do changes in environment affect
usHow is the man a modifier of the environment by drawing different pictures related to
topic
2 Make an Assignment -What is the midday meal programme List three benefits of the
programme how do you think this programme might help promote greater equality
3 Learn chapter-on Equality Tracing changes through a thousand years Environment
4 Revise and Write following questions on fair notebook
1 Who were the parties involved in the ldquotripartite strugglerdquo
2 What were the qualifications necessary to become a member of a committee of the sabha in
the Chola Empire
3 Find out more about taxes that are collected at present Are these in cash kind or labour
services
4 What were the two major cities under the control of the Chahamanas
5 How did the Rashtrakutas become powerful
6 What did the new dynasties do to gain acceptance
7 What kind of irrigation works were developed in the Tamil region
8 What were the activities associated with Chola temples
9 What are the different ways through which the government can take steps to provide
healthcare for all
10 What differences do you find between private and public health services in your area
11 lsquoImprovement in water and sanitation can control many diseasesrsquo Explain with the help of
examples
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-English
1 10 PAGE HANDWRITING NEAT AND CLEAN 2 REVISE ALL THE CHAPTERS DONE SO FAR AND COME PREPARED FOR TEST TO BE CONDUCTED IMMEDIATELY AFTER REOPENNG OF SCHOOL 3 WRITE THE STORIES WITH THE FOLLOWING HEADS (a) THE SUN AND THE WIND (b) THE LION AND THE MOUSE (c) THE HEN THAT LAID GOLDEN EGGS (d) A FRIEND IN NEED IN A FRIEND INDEED (e) HARD WORK IS THE KEY OF SUCCESS
LETTER WRITING
- TO THE PRINCIPAL - FOR FIVE DAYS LEAVE GIVING ANY REASON - FOR FEE CONCESSION - CHANGE OF SECTION - REMISSION OF FINE
- INFORMAL LETTER - TO FRIEND INVITING TO BIRTHDAY PARTY - UNCLE THANKING FOR BIRTHDAY GIFT - LETTER TO FATHER GIVING HOME NEWS 4 READ FIRST THREE STORIES OF SUPPLEMENTRY BOOK amp WRITE THE SUMMARY IN YOUR OWN WORDS 5 WRITE 20 QUESTIONS OF DAILY CONVERSATION WITH THEIR POSSIBLE ANSWERS 6 WRITE 20 PROVERBS IN ENGLISH WITH THEIR HINDI VERSION 7 PICK UP ONE NEWS HEADLINE PER DAY AND ELABORATE THE NEWS IN YOUR OWN WORDS
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-English
HANDWRITING-30 PAGES
PARAGRAPH WRITING ndash
1 ENVIROMENTS 2 A VISIT TO ZOO 3 SEIF HELP IS THE BEST HELP
LETTER WRITING-
1 AN APPLICATION FOR MARRIAGE LEAVE 2 AN APPLICATION FOR FEE CONCENSSION
LEARNING TASK- LEARN amp WRITE THE QUESTION ANSWER OF ALL THE CHAPTERS WHICH HAVE BEEN DONE IN THE CLASS (WORD MEANING) BOOK EXERCISE
1 WHO DID PATRICKrsquoS HOMEWORK 2 A HOUSE A HOME 3 HOW THE BOY FOUND HIMSELF A NEW MASTER 4 A TALE OF TWO BIRDS
(FIND OUT THE DIFFICULT WORDS ON THEIR OWN IN THE GIVEN CHAPTERS)
PRODUCTIVE ACTIVITY- MAKE A BEAUTIFUL KITE ON YOUR OWN (USING A NEWSPAPER COLOUR PAPER ETC)
PREPARE A STORY (FAIRY TALE) TO DISCUSS WITH OTHER IN THE CLASS
1) FILL UP THE BLANKS WITH lsquoArsquo lsquoANrsquo OR lsquoTHErsquo= A HE IS helliphelliphelliphelliphelliphellip HONORABLE PERSON B PIEASE GIVE ME helliphelliphelliphelliphellip APPLE C IT IS NOT helliphelliphelliphelliphellip GOOD CHAIR D HE WAS helliphelliphelliphelliphelliphellip MAHATMAGANDHI OF OUR CITY E GOLD IS helliphelliphelliphelliphelliphellipPRECIOUS METAL F SRILANKA IS helliphelliphelliphelliphellip ISLAND G ENGLISH IS helliphelliphelliphelliphellip INTERNATIONAL LANGUAGE H HE IS helliphelliphelliphelliphellip MAN WHO MET ME YESTERDAY I helliphelliphelliphelliphellip SUN RISES IN helliphelliphelliphelliphelliphellip EAST J helliphelliphelliphelliphellip BLACK AND WHITE KITTENS WAS PLAYING IN GARDEN K I HAVE READ helliphelliphelliphellip FIRST CHAPTER OF THIS BOOK L helliphelliphelliphelliphellip GUIDE KNOWS helliphelliphelliphelliphellipWAY M SHE IS helliphelliphelliphelliphellip BEAUTIFUL GIRL AND HAS helliphelliphelliphellipGOOD
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Hindi
१ रामायण पसतक को पढ़ना (पज एक स पचास)
२ सलख दस पज
३ उपसरग १५ शबद
४ परतयय १५ शबद
५ पयागयवाची १५ शबद परतयक क ३ शबद |
६ बीमारी अवकाश क ललए परारगना पतर |
७ खल ददवस
दीपावली |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Maths
INSTRUCTION Revise chp-1 (Knowing our numbers) amp
chp-2(Whole numbers) and do the following two assignments
ASSIGNMENT-I
NOTE This assignment is based on the chapter-1
(Knowing our numbers)
Q1 Put appropriate sign in the box lt gt or =
207855399 207585244
Q2 Convert to smaller units 2m = hellip cm
Q3 Use the given digits 9741 without repetition and make
the Greatest and smallest 4-digit numbers Also find the
difference between them
Q4 Arrange the following numbers in ascending order
847975497458320572
Q5 Insert the commas and write the number in hindu Arabic
System (I) 59847215 (II) 18950049
Q6 Insert the commas and write the number in international
System (I) 97654310 (II) 279453
Q7 Write the numeral for each of the following
(I) Nine thousand eighteen helliphelliphelliphelliphelliphelliphellip
(II) Fifty two million two hundred five thousand six helliphelliphelliphelliphellip
Q8Estimate the sum to nearest hundred as well as to nearest
tens place 3280 + 4395
Q9 A merchant had rs 78592 with herShe placed an order for
Purchasing 40 radio sets at rs1200 each How much money
Will remain with her after the purchase
Q10 A book exhibition was held for four days in a school The
Number of tickets sold at the counter on the first second
Third and final day was respectively 109418122050 and
2751 Find the total number of tickets sold on all 4 days
ASSIGNMENT-2
NOTE This assignment is based on the chapter-2
(Whole numbers)
Q1 Write the smallest and largest whole number
Q2 Find the successor (I) 48499 (II) 10999
Q3 Find the predecessor (I) 9999 (II) 1000
Q4 Find the sum by suitable rearrangement 1842 + 453 +158
Q5 Find the product by suitable rearrangement 25 times 8358 times 4
Q6 Simplify 126 times 55 + 126 times 45
Q7 Find the product using suitable properties
(I) 8 times 392 times 125 (II) 104 times 108
Q8 A vendor supplies 35 litres of milk to a hotel in the evening
And 70 litres of milk in the morning If the milk costs Rs30
Per litre how much money is due to the vendor per day
Q9 A taxi driver filled his car petrol tank with 40 litres of petrol
On Monday The next day he filled the tank with 35 litres of
Petrol If the petrol costs Rs44 per litre how much did he
Spend in all on petrol
Q10 Give the example of a number which when multiplied by
Itself gives the same number
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Science
Learn and write all the following questions - Q1How is honey produced by honey bees Q2 Make a list of 12 animals and the foods they eat Q3Name some products we get from animals Q4Make a list of food items generally taken by people of different regions of India Q5Name two foods rich in fats starch dietary fiber protein Q6How do vitamins protect our body Q7How can we test the presence of fats and protein in food Q8Make a table of diseases disorders caused by deficiency of vitamins and minerals Q9_____________ chemical is used to test the presence of starch in food Q10 ___________ chemical is used to test the presence of proteins in food Q11Name the major nutrients present in food Q12What are natural fibers Give example Q13Name the states of India where jute is grown Q14Explain the process of making yarn from fiber Q15What are synthetic fibers Give example Q16Silk is obtained from ______________ of silkworm Q17Device used for spinning is called ____________ Q18 The fruit of cotton plant is called _____________ Q19Define the following 1) Fabric 2) Fibre 3) Knitting 4) Spinning 5) Scurvy 6) Balanced Diet 7) Goitre 8) Anaemia 9) Rickets 10) Bee hives Q 20 On a scrap book name and Paste different food items containing carbohydrates proteins fats and minerals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Social Science
GEOGRAPHY
CHAPTER - EARTH IN SOLAR SYSTEM
1 How does a planet differ from a star
2 Why Earth is a unique planet
CHAPTER - GLOBE LONGITUDE AND LATITUDE
1 What is the true shape of earth
2 What is a Globe
3 What is three zone of the earth
HISTORY
CHAPTER - WHAT WHERE HOW AND WHEN
1 List one major difference between Manuscripts and Inscriptions
2 Describe at least two ways in which you think the lives of Kings would have been different from
those of farmers
CHAPTER- ON THE TRAIL OF THE EARLIEST PEOPLE
Why did the hunter gatherer travel from the place to placeIn what ways are these similar to and
different from the reasons for which we travel today
CIVICS
UNDERSTANDING DIVERSITY
Draw a list of the different festivals celeberated in your locality Which of these celeberations are shared
by the number of different regions and religions
COMMUNITIES
MAP SKILL
To Fill 5 Indian political map with 29 states and capitals and 8 Union Territories with their Capital
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख |
छातर परततजञा व परारगना ससकत म याद कर |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-English
(1)- Itoutside(rain)
(2)- Ravi to his friends (talk)
(3)- He tennis there (play)
(4)- They noise in the class(always)
(5)-Imy doctor tonight(visit)
(6)-Wethe doctor(close)
(7)-Sita in library(study)
(8)-She sweater for son(knit)
(9)-The planeat fiveO clock (leave)
(10)-Youin the class(always)
(11)-Wefor Mumbai on sunday(leave)
(12)-My class move(run)
(13)-Someone at the door(knock)
(14)-He for you in the office(wait)
(15)-The dog at the gate (bark)
(16)-What are you(do)
(17)-He inltaly at the moment(work)
(18)-That child bigger everyday (get)
(19)-Who is that girl on the table(stand)
(20)- Ifor the shops to open(wait)
FILL IN THE BLANKS WITH APPORPRIATE
SIMPLE PRESENT TENSE FORM OF THE
VERB GIVEN IN THE BRACKETS
1the plane at 630(arrive)
2i will phone you when he back(come)
3unless we now we cant be there on time(start)
4the sun in the last (rise)
5 the next on monday(begin)
6she an engineer(be)
7 they our relatives(be)
8when does the train (depart)
9lets wait till hehis work(finish)
10iyou(like)
COMPLETE THE EXERCISE WITH CONVENINENT PREPOSITIONS-
1 nice meet you
2 dont be lateschool
3are you the new studentportugal
4 are you a teacher this school
5jessica is vacation she is italy now
6 what is this called english
7 lookthe flower
8adams birthday is july
9dont run the classroom
WRITING SECTION
DIARY ENTRIES-
1 You participate in a speech competition and could not perform well write your feelings in your dairy
2 You had memorable time with your friends spending the summer holidays in a beautifull place make a dairy
entry expressing the joy
3 You went to see the IPL match where you favorite team won the match and intered into the semi finals
Write the dairy entry expressing your feeling
4 Your teacher has asked you to record your resolution for the new your Erite a dairy entry in so 50 words
5 Write a dairy entry about a slopless summer night
Paragraph writing -
1 Global warming
2 Heath food vessus junk food in todayrsquo society
3 Laughter is a good medicine
4 Value of decipline
30 page ndash hand wrighting
READING TASKS
Read the following chapter carefully-
1 The rebel
2 Gopal and the hilsa fish
3 Bringing Up and Kasi
a) find the answer of the given question in all these chapter
b) find out the difficult words on your own while reading the chapter and prepare a list of those words and find out there
meaning from the dictionary
c) learn the question answer word meaning of those chapter which leave been done in the class
GRAMMER
RE-ARRANG THE FOLLOWING WORD TO MAKE A MEANING SENTENCE
A) Gothecanonconversationthree minutesfor
B) Disconnectedgetsaftersoontheline
C) Readhardlyhavetotheyanythingbut
D) Is aice creamthattoughbusinessseeling
E) Itrsquos the king coneshotcakessell like that
F) Some friendscustomersfavouredbythere arewhich are nothowever
G) Thestarsskytwinkletheinatnight
H) Reveal universecouldthesizethisof the
I) Twinkilingscientists saythestarsthat of thedistanceindicates
J) Astronomers this allow should to distance measures
USE THE FOLLOWING BLANK OF PREFIXES AND SUFFIXES TO MAKE SOME NEW WORDS
BANK OF SUFFIXES-
(1)- able
(2)-ful
(3)-ly
(4)-al
(5)-ion
Bank of prefixes-
(1) dis-
(2) In-
(3) Re-
(4) il-
(5)pre-
(6)un-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Hindi
१ महाभारत पसतक को पढ़ना (पज एक स पचास)
२ सलख दस पज
३ उपसरग १५ शबद
४ परतयय १५ शबद
५ पयागयवाची १५ शबद परतयक क ३ शबद |
६ अवकाश क ललए परारगना पतर |
७ १५ अरसत
रकषाबधन तनबध
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Maths
INSTRUCTION Revise chp-1(Integers) amp chp-2(Fractions and Decimals
and do the following two assignments
ASSIGNMENT-I
NOTE This assignment is based on the chapter-1 (Integers)
Q1Add the following integers using suitable association
375 + (-476) + (-75) + (-124)
Q2Put appropriate sign in the box lt gt or =
-230+59-60 -390+159+30
Q3The sum of two integers is -29If one of them is 475 find
the other
Q4Write down a pair of integers whose
(I) sum is -3
(II) difference is -5
Q5 Find (I) (-18)times(-5)times(-6)
(II) (-15)times(-14) + (-15)times(-16)
Q6 Divide (I) (-81) by (-9)
(II) (-324) by 18
Q7 Verify a-(-b) = a+b for the values of a=118 and b=125
Q8 (I) Represent the statement in the form of an integer
Rs 1000 deposited in the bank
(II) Write opposite of following as integer
5 km above the sea level
Q9 At Srinagar temperature was -3degC on Monday and then it
Dropped by 5degC on Tuesday What was the temperature of
Srinagar on Tuesday On Wednesday it rose by 4degC What
Was the temperature on this day
Q10 In a class test containing 10 questions 5 marks are
Awarded for every correct answer and -2 marks are
Awarded for every incorrect answer and 0 marks for
Not attempting
Mohit gets four correct and 6 incorrect answers What
Is his score
ASSIGNMENT-2
NOTE This assignment is based on the chapter-2 (Fractions amp
Decimals)
Q1 Find the sum (I) (II)
Q2 Find (I) (II)
Q3 Find (I) (II)
Q4 Divide (I) 6 divide (II)
Q5 Find (I) of 25 (II)
Q6 Write in ascending arrangement
Q7 Find (I) 27 times 4 (II) 23 times 435 (III)563 times 1000 (IV) 12 times 10
Q8 Convert (I) 7394 m to km (II) 30 kg 80 g as kg
Q9 Find the perimeter of rectangular park whose length and
Breadth are m and 34 m respectively
Q10 Find the area of a rectangle whose length is 67 cm and
Breadth is 45 cm
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Science
Q1Draw the diagram of the following
A) Digestive system
B) Different types of teeth
C) Ruminants
D) Amoeba
E) Stomata
F) Life cycle of Silkworm
Q2 Define the following terms by giving one example each
1) Shearing
2) Fleece
3) Scouring
4) Sorting
5) Sericulture
6) Nutrition
7) Nutrients
8) Autotrophic
9) Heterotrophic
10) Photosynthesis
11) Parisitic
12) Insectivorous
13) Stomata
14) Chlorophyll
15) Ingestion
16) Digestion
17) Absorption
18) Pseudopodia
19) Villi
20) Milk teeth
21) Permanent teeth
22) Egestion
Q3Make 10 MCQ lsquoS each from lesson 1 2 3
Q4Why do organisms need to take food
Q5 Distinguish between parasite and saprotroph
Q6Give a brief description of the process of synthesis of food in green plants
Q7What is stomata and what is its function
Q8 What is nutrition
Q9What is villi What is its location and function
Q10 Why cellulose cannot be digested by human beings
Q11Where is bile produced and writes its function
Q12What is the role of acid in stomach
Q13Explain the process of digestion in amoeba
Q14Explain the life cycle of silkworm
Q15Make a working model from topics given below
a) Conservation of energy
b) Health
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Social Science
1 Make a practical file on Components of environment How do changes in environment affect
usHow is the man a modifier of the environment by drawing different pictures related to
topic
2 Make an Assignment -What is the midday meal programme List three benefits of the
programme how do you think this programme might help promote greater equality
3 Learn chapter-on Equality Tracing changes through a thousand years Environment
4 Revise and Write following questions on fair notebook
1 Who were the parties involved in the ldquotripartite strugglerdquo
2 What were the qualifications necessary to become a member of a committee of the sabha in
the Chola Empire
3 Find out more about taxes that are collected at present Are these in cash kind or labour
services
4 What were the two major cities under the control of the Chahamanas
5 How did the Rashtrakutas become powerful
6 What did the new dynasties do to gain acceptance
7 What kind of irrigation works were developed in the Tamil region
8 What were the activities associated with Chola temples
9 What are the different ways through which the government can take steps to provide
healthcare for all
10 What differences do you find between private and public health services in your area
11 lsquoImprovement in water and sanitation can control many diseasesrsquo Explain with the help of
examples
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-English
1 10 PAGE HANDWRITING NEAT AND CLEAN 2 REVISE ALL THE CHAPTERS DONE SO FAR AND COME PREPARED FOR TEST TO BE CONDUCTED IMMEDIATELY AFTER REOPENNG OF SCHOOL 3 WRITE THE STORIES WITH THE FOLLOWING HEADS (a) THE SUN AND THE WIND (b) THE LION AND THE MOUSE (c) THE HEN THAT LAID GOLDEN EGGS (d) A FRIEND IN NEED IN A FRIEND INDEED (e) HARD WORK IS THE KEY OF SUCCESS
LETTER WRITING
- TO THE PRINCIPAL - FOR FIVE DAYS LEAVE GIVING ANY REASON - FOR FEE CONCESSION - CHANGE OF SECTION - REMISSION OF FINE
- INFORMAL LETTER - TO FRIEND INVITING TO BIRTHDAY PARTY - UNCLE THANKING FOR BIRTHDAY GIFT - LETTER TO FATHER GIVING HOME NEWS 4 READ FIRST THREE STORIES OF SUPPLEMENTRY BOOK amp WRITE THE SUMMARY IN YOUR OWN WORDS 5 WRITE 20 QUESTIONS OF DAILY CONVERSATION WITH THEIR POSSIBLE ANSWERS 6 WRITE 20 PROVERBS IN ENGLISH WITH THEIR HINDI VERSION 7 PICK UP ONE NEWS HEADLINE PER DAY AND ELABORATE THE NEWS IN YOUR OWN WORDS
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Hindi
१ रामायण पसतक को पढ़ना (पज एक स पचास)
२ सलख दस पज
३ उपसरग १५ शबद
४ परतयय १५ शबद
५ पयागयवाची १५ शबद परतयक क ३ शबद |
६ बीमारी अवकाश क ललए परारगना पतर |
७ खल ददवस
दीपावली |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Maths
INSTRUCTION Revise chp-1 (Knowing our numbers) amp
chp-2(Whole numbers) and do the following two assignments
ASSIGNMENT-I
NOTE This assignment is based on the chapter-1
(Knowing our numbers)
Q1 Put appropriate sign in the box lt gt or =
207855399 207585244
Q2 Convert to smaller units 2m = hellip cm
Q3 Use the given digits 9741 without repetition and make
the Greatest and smallest 4-digit numbers Also find the
difference between them
Q4 Arrange the following numbers in ascending order
847975497458320572
Q5 Insert the commas and write the number in hindu Arabic
System (I) 59847215 (II) 18950049
Q6 Insert the commas and write the number in international
System (I) 97654310 (II) 279453
Q7 Write the numeral for each of the following
(I) Nine thousand eighteen helliphelliphelliphelliphelliphelliphellip
(II) Fifty two million two hundred five thousand six helliphelliphelliphelliphellip
Q8Estimate the sum to nearest hundred as well as to nearest
tens place 3280 + 4395
Q9 A merchant had rs 78592 with herShe placed an order for
Purchasing 40 radio sets at rs1200 each How much money
Will remain with her after the purchase
Q10 A book exhibition was held for four days in a school The
Number of tickets sold at the counter on the first second
Third and final day was respectively 109418122050 and
2751 Find the total number of tickets sold on all 4 days
ASSIGNMENT-2
NOTE This assignment is based on the chapter-2
(Whole numbers)
Q1 Write the smallest and largest whole number
Q2 Find the successor (I) 48499 (II) 10999
Q3 Find the predecessor (I) 9999 (II) 1000
Q4 Find the sum by suitable rearrangement 1842 + 453 +158
Q5 Find the product by suitable rearrangement 25 times 8358 times 4
Q6 Simplify 126 times 55 + 126 times 45
Q7 Find the product using suitable properties
(I) 8 times 392 times 125 (II) 104 times 108
Q8 A vendor supplies 35 litres of milk to a hotel in the evening
And 70 litres of milk in the morning If the milk costs Rs30
Per litre how much money is due to the vendor per day
Q9 A taxi driver filled his car petrol tank with 40 litres of petrol
On Monday The next day he filled the tank with 35 litres of
Petrol If the petrol costs Rs44 per litre how much did he
Spend in all on petrol
Q10 Give the example of a number which when multiplied by
Itself gives the same number
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Science
Learn and write all the following questions - Q1How is honey produced by honey bees Q2 Make a list of 12 animals and the foods they eat Q3Name some products we get from animals Q4Make a list of food items generally taken by people of different regions of India Q5Name two foods rich in fats starch dietary fiber protein Q6How do vitamins protect our body Q7How can we test the presence of fats and protein in food Q8Make a table of diseases disorders caused by deficiency of vitamins and minerals Q9_____________ chemical is used to test the presence of starch in food Q10 ___________ chemical is used to test the presence of proteins in food Q11Name the major nutrients present in food Q12What are natural fibers Give example Q13Name the states of India where jute is grown Q14Explain the process of making yarn from fiber Q15What are synthetic fibers Give example Q16Silk is obtained from ______________ of silkworm Q17Device used for spinning is called ____________ Q18 The fruit of cotton plant is called _____________ Q19Define the following 1) Fabric 2) Fibre 3) Knitting 4) Spinning 5) Scurvy 6) Balanced Diet 7) Goitre 8) Anaemia 9) Rickets 10) Bee hives Q 20 On a scrap book name and Paste different food items containing carbohydrates proteins fats and minerals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Social Science
GEOGRAPHY
CHAPTER - EARTH IN SOLAR SYSTEM
1 How does a planet differ from a star
2 Why Earth is a unique planet
CHAPTER - GLOBE LONGITUDE AND LATITUDE
1 What is the true shape of earth
2 What is a Globe
3 What is three zone of the earth
HISTORY
CHAPTER - WHAT WHERE HOW AND WHEN
1 List one major difference between Manuscripts and Inscriptions
2 Describe at least two ways in which you think the lives of Kings would have been different from
those of farmers
CHAPTER- ON THE TRAIL OF THE EARLIEST PEOPLE
Why did the hunter gatherer travel from the place to placeIn what ways are these similar to and
different from the reasons for which we travel today
CIVICS
UNDERSTANDING DIVERSITY
Draw a list of the different festivals celeberated in your locality Which of these celeberations are shared
by the number of different regions and religions
COMMUNITIES
MAP SKILL
To Fill 5 Indian political map with 29 states and capitals and 8 Union Territories with their Capital
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख |
छातर परततजञा व परारगना ससकत म याद कर |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-English
(1)- Itoutside(rain)
(2)- Ravi to his friends (talk)
(3)- He tennis there (play)
(4)- They noise in the class(always)
(5)-Imy doctor tonight(visit)
(6)-Wethe doctor(close)
(7)-Sita in library(study)
(8)-She sweater for son(knit)
(9)-The planeat fiveO clock (leave)
(10)-Youin the class(always)
(11)-Wefor Mumbai on sunday(leave)
(12)-My class move(run)
(13)-Someone at the door(knock)
(14)-He for you in the office(wait)
(15)-The dog at the gate (bark)
(16)-What are you(do)
(17)-He inltaly at the moment(work)
(18)-That child bigger everyday (get)
(19)-Who is that girl on the table(stand)
(20)- Ifor the shops to open(wait)
FILL IN THE BLANKS WITH APPORPRIATE
SIMPLE PRESENT TENSE FORM OF THE
VERB GIVEN IN THE BRACKETS
1the plane at 630(arrive)
2i will phone you when he back(come)
3unless we now we cant be there on time(start)
4the sun in the last (rise)
5 the next on monday(begin)
6she an engineer(be)
7 they our relatives(be)
8when does the train (depart)
9lets wait till hehis work(finish)
10iyou(like)
COMPLETE THE EXERCISE WITH CONVENINENT PREPOSITIONS-
1 nice meet you
2 dont be lateschool
3are you the new studentportugal
4 are you a teacher this school
5jessica is vacation she is italy now
6 what is this called english
7 lookthe flower
8adams birthday is july
9dont run the classroom
WRITING SECTION
DIARY ENTRIES-
1 You participate in a speech competition and could not perform well write your feelings in your dairy
2 You had memorable time with your friends spending the summer holidays in a beautifull place make a dairy
entry expressing the joy
3 You went to see the IPL match where you favorite team won the match and intered into the semi finals
Write the dairy entry expressing your feeling
4 Your teacher has asked you to record your resolution for the new your Erite a dairy entry in so 50 words
5 Write a dairy entry about a slopless summer night
Paragraph writing -
1 Global warming
2 Heath food vessus junk food in todayrsquo society
3 Laughter is a good medicine
4 Value of decipline
30 page ndash hand wrighting
READING TASKS
Read the following chapter carefully-
1 The rebel
2 Gopal and the hilsa fish
3 Bringing Up and Kasi
a) find the answer of the given question in all these chapter
b) find out the difficult words on your own while reading the chapter and prepare a list of those words and find out there
meaning from the dictionary
c) learn the question answer word meaning of those chapter which leave been done in the class
GRAMMER
RE-ARRANG THE FOLLOWING WORD TO MAKE A MEANING SENTENCE
A) Gothecanonconversationthree minutesfor
B) Disconnectedgetsaftersoontheline
C) Readhardlyhavetotheyanythingbut
D) Is aice creamthattoughbusinessseeling
E) Itrsquos the king coneshotcakessell like that
F) Some friendscustomersfavouredbythere arewhich are nothowever
G) Thestarsskytwinkletheinatnight
H) Reveal universecouldthesizethisof the
I) Twinkilingscientists saythestarsthat of thedistanceindicates
J) Astronomers this allow should to distance measures
USE THE FOLLOWING BLANK OF PREFIXES AND SUFFIXES TO MAKE SOME NEW WORDS
BANK OF SUFFIXES-
(1)- able
(2)-ful
(3)-ly
(4)-al
(5)-ion
Bank of prefixes-
(1) dis-
(2) In-
(3) Re-
(4) il-
(5)pre-
(6)un-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Hindi
१ महाभारत पसतक को पढ़ना (पज एक स पचास)
२ सलख दस पज
३ उपसरग १५ शबद
४ परतयय १५ शबद
५ पयागयवाची १५ शबद परतयक क ३ शबद |
६ अवकाश क ललए परारगना पतर |
७ १५ अरसत
रकषाबधन तनबध
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Maths
INSTRUCTION Revise chp-1(Integers) amp chp-2(Fractions and Decimals
and do the following two assignments
ASSIGNMENT-I
NOTE This assignment is based on the chapter-1 (Integers)
Q1Add the following integers using suitable association
375 + (-476) + (-75) + (-124)
Q2Put appropriate sign in the box lt gt or =
-230+59-60 -390+159+30
Q3The sum of two integers is -29If one of them is 475 find
the other
Q4Write down a pair of integers whose
(I) sum is -3
(II) difference is -5
Q5 Find (I) (-18)times(-5)times(-6)
(II) (-15)times(-14) + (-15)times(-16)
Q6 Divide (I) (-81) by (-9)
(II) (-324) by 18
Q7 Verify a-(-b) = a+b for the values of a=118 and b=125
Q8 (I) Represent the statement in the form of an integer
Rs 1000 deposited in the bank
(II) Write opposite of following as integer
5 km above the sea level
Q9 At Srinagar temperature was -3degC on Monday and then it
Dropped by 5degC on Tuesday What was the temperature of
Srinagar on Tuesday On Wednesday it rose by 4degC What
Was the temperature on this day
Q10 In a class test containing 10 questions 5 marks are
Awarded for every correct answer and -2 marks are
Awarded for every incorrect answer and 0 marks for
Not attempting
Mohit gets four correct and 6 incorrect answers What
Is his score
ASSIGNMENT-2
NOTE This assignment is based on the chapter-2 (Fractions amp
Decimals)
Q1 Find the sum (I) (II)
Q2 Find (I) (II)
Q3 Find (I) (II)
Q4 Divide (I) 6 divide (II)
Q5 Find (I) of 25 (II)
Q6 Write in ascending arrangement
Q7 Find (I) 27 times 4 (II) 23 times 435 (III)563 times 1000 (IV) 12 times 10
Q8 Convert (I) 7394 m to km (II) 30 kg 80 g as kg
Q9 Find the perimeter of rectangular park whose length and
Breadth are m and 34 m respectively
Q10 Find the area of a rectangle whose length is 67 cm and
Breadth is 45 cm
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Science
Q1Draw the diagram of the following
A) Digestive system
B) Different types of teeth
C) Ruminants
D) Amoeba
E) Stomata
F) Life cycle of Silkworm
Q2 Define the following terms by giving one example each
1) Shearing
2) Fleece
3) Scouring
4) Sorting
5) Sericulture
6) Nutrition
7) Nutrients
8) Autotrophic
9) Heterotrophic
10) Photosynthesis
11) Parisitic
12) Insectivorous
13) Stomata
14) Chlorophyll
15) Ingestion
16) Digestion
17) Absorption
18) Pseudopodia
19) Villi
20) Milk teeth
21) Permanent teeth
22) Egestion
Q3Make 10 MCQ lsquoS each from lesson 1 2 3
Q4Why do organisms need to take food
Q5 Distinguish between parasite and saprotroph
Q6Give a brief description of the process of synthesis of food in green plants
Q7What is stomata and what is its function
Q8 What is nutrition
Q9What is villi What is its location and function
Q10 Why cellulose cannot be digested by human beings
Q11Where is bile produced and writes its function
Q12What is the role of acid in stomach
Q13Explain the process of digestion in amoeba
Q14Explain the life cycle of silkworm
Q15Make a working model from topics given below
a) Conservation of energy
b) Health
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Social Science
1 Make a practical file on Components of environment How do changes in environment affect
usHow is the man a modifier of the environment by drawing different pictures related to
topic
2 Make an Assignment -What is the midday meal programme List three benefits of the
programme how do you think this programme might help promote greater equality
3 Learn chapter-on Equality Tracing changes through a thousand years Environment
4 Revise and Write following questions on fair notebook
1 Who were the parties involved in the ldquotripartite strugglerdquo
2 What were the qualifications necessary to become a member of a committee of the sabha in
the Chola Empire
3 Find out more about taxes that are collected at present Are these in cash kind or labour
services
4 What were the two major cities under the control of the Chahamanas
5 How did the Rashtrakutas become powerful
6 What did the new dynasties do to gain acceptance
7 What kind of irrigation works were developed in the Tamil region
8 What were the activities associated with Chola temples
9 What are the different ways through which the government can take steps to provide
healthcare for all
10 What differences do you find between private and public health services in your area
11 lsquoImprovement in water and sanitation can control many diseasesrsquo Explain with the help of
examples
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-English
1 10 PAGE HANDWRITING NEAT AND CLEAN 2 REVISE ALL THE CHAPTERS DONE SO FAR AND COME PREPARED FOR TEST TO BE CONDUCTED IMMEDIATELY AFTER REOPENNG OF SCHOOL 3 WRITE THE STORIES WITH THE FOLLOWING HEADS (a) THE SUN AND THE WIND (b) THE LION AND THE MOUSE (c) THE HEN THAT LAID GOLDEN EGGS (d) A FRIEND IN NEED IN A FRIEND INDEED (e) HARD WORK IS THE KEY OF SUCCESS
LETTER WRITING
- TO THE PRINCIPAL - FOR FIVE DAYS LEAVE GIVING ANY REASON - FOR FEE CONCESSION - CHANGE OF SECTION - REMISSION OF FINE
- INFORMAL LETTER - TO FRIEND INVITING TO BIRTHDAY PARTY - UNCLE THANKING FOR BIRTHDAY GIFT - LETTER TO FATHER GIVING HOME NEWS 4 READ FIRST THREE STORIES OF SUPPLEMENTRY BOOK amp WRITE THE SUMMARY IN YOUR OWN WORDS 5 WRITE 20 QUESTIONS OF DAILY CONVERSATION WITH THEIR POSSIBLE ANSWERS 6 WRITE 20 PROVERBS IN ENGLISH WITH THEIR HINDI VERSION 7 PICK UP ONE NEWS HEADLINE PER DAY AND ELABORATE THE NEWS IN YOUR OWN WORDS
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Maths
INSTRUCTION Revise chp-1 (Knowing our numbers) amp
chp-2(Whole numbers) and do the following two assignments
ASSIGNMENT-I
NOTE This assignment is based on the chapter-1
(Knowing our numbers)
Q1 Put appropriate sign in the box lt gt or =
207855399 207585244
Q2 Convert to smaller units 2m = hellip cm
Q3 Use the given digits 9741 without repetition and make
the Greatest and smallest 4-digit numbers Also find the
difference between them
Q4 Arrange the following numbers in ascending order
847975497458320572
Q5 Insert the commas and write the number in hindu Arabic
System (I) 59847215 (II) 18950049
Q6 Insert the commas and write the number in international
System (I) 97654310 (II) 279453
Q7 Write the numeral for each of the following
(I) Nine thousand eighteen helliphelliphelliphelliphelliphelliphellip
(II) Fifty two million two hundred five thousand six helliphelliphelliphelliphellip
Q8Estimate the sum to nearest hundred as well as to nearest
tens place 3280 + 4395
Q9 A merchant had rs 78592 with herShe placed an order for
Purchasing 40 radio sets at rs1200 each How much money
Will remain with her after the purchase
Q10 A book exhibition was held for four days in a school The
Number of tickets sold at the counter on the first second
Third and final day was respectively 109418122050 and
2751 Find the total number of tickets sold on all 4 days
ASSIGNMENT-2
NOTE This assignment is based on the chapter-2
(Whole numbers)
Q1 Write the smallest and largest whole number
Q2 Find the successor (I) 48499 (II) 10999
Q3 Find the predecessor (I) 9999 (II) 1000
Q4 Find the sum by suitable rearrangement 1842 + 453 +158
Q5 Find the product by suitable rearrangement 25 times 8358 times 4
Q6 Simplify 126 times 55 + 126 times 45
Q7 Find the product using suitable properties
(I) 8 times 392 times 125 (II) 104 times 108
Q8 A vendor supplies 35 litres of milk to a hotel in the evening
And 70 litres of milk in the morning If the milk costs Rs30
Per litre how much money is due to the vendor per day
Q9 A taxi driver filled his car petrol tank with 40 litres of petrol
On Monday The next day he filled the tank with 35 litres of
Petrol If the petrol costs Rs44 per litre how much did he
Spend in all on petrol
Q10 Give the example of a number which when multiplied by
Itself gives the same number
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Science
Learn and write all the following questions - Q1How is honey produced by honey bees Q2 Make a list of 12 animals and the foods they eat Q3Name some products we get from animals Q4Make a list of food items generally taken by people of different regions of India Q5Name two foods rich in fats starch dietary fiber protein Q6How do vitamins protect our body Q7How can we test the presence of fats and protein in food Q8Make a table of diseases disorders caused by deficiency of vitamins and minerals Q9_____________ chemical is used to test the presence of starch in food Q10 ___________ chemical is used to test the presence of proteins in food Q11Name the major nutrients present in food Q12What are natural fibers Give example Q13Name the states of India where jute is grown Q14Explain the process of making yarn from fiber Q15What are synthetic fibers Give example Q16Silk is obtained from ______________ of silkworm Q17Device used for spinning is called ____________ Q18 The fruit of cotton plant is called _____________ Q19Define the following 1) Fabric 2) Fibre 3) Knitting 4) Spinning 5) Scurvy 6) Balanced Diet 7) Goitre 8) Anaemia 9) Rickets 10) Bee hives Q 20 On a scrap book name and Paste different food items containing carbohydrates proteins fats and minerals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Social Science
GEOGRAPHY
CHAPTER - EARTH IN SOLAR SYSTEM
1 How does a planet differ from a star
2 Why Earth is a unique planet
CHAPTER - GLOBE LONGITUDE AND LATITUDE
1 What is the true shape of earth
2 What is a Globe
3 What is three zone of the earth
HISTORY
CHAPTER - WHAT WHERE HOW AND WHEN
1 List one major difference between Manuscripts and Inscriptions
2 Describe at least two ways in which you think the lives of Kings would have been different from
those of farmers
CHAPTER- ON THE TRAIL OF THE EARLIEST PEOPLE
Why did the hunter gatherer travel from the place to placeIn what ways are these similar to and
different from the reasons for which we travel today
CIVICS
UNDERSTANDING DIVERSITY
Draw a list of the different festivals celeberated in your locality Which of these celeberations are shared
by the number of different regions and religions
COMMUNITIES
MAP SKILL
To Fill 5 Indian political map with 29 states and capitals and 8 Union Territories with their Capital
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख |
छातर परततजञा व परारगना ससकत म याद कर |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-English
(1)- Itoutside(rain)
(2)- Ravi to his friends (talk)
(3)- He tennis there (play)
(4)- They noise in the class(always)
(5)-Imy doctor tonight(visit)
(6)-Wethe doctor(close)
(7)-Sita in library(study)
(8)-She sweater for son(knit)
(9)-The planeat fiveO clock (leave)
(10)-Youin the class(always)
(11)-Wefor Mumbai on sunday(leave)
(12)-My class move(run)
(13)-Someone at the door(knock)
(14)-He for you in the office(wait)
(15)-The dog at the gate (bark)
(16)-What are you(do)
(17)-He inltaly at the moment(work)
(18)-That child bigger everyday (get)
(19)-Who is that girl on the table(stand)
(20)- Ifor the shops to open(wait)
FILL IN THE BLANKS WITH APPORPRIATE
SIMPLE PRESENT TENSE FORM OF THE
VERB GIVEN IN THE BRACKETS
1the plane at 630(arrive)
2i will phone you when he back(come)
3unless we now we cant be there on time(start)
4the sun in the last (rise)
5 the next on monday(begin)
6she an engineer(be)
7 they our relatives(be)
8when does the train (depart)
9lets wait till hehis work(finish)
10iyou(like)
COMPLETE THE EXERCISE WITH CONVENINENT PREPOSITIONS-
1 nice meet you
2 dont be lateschool
3are you the new studentportugal
4 are you a teacher this school
5jessica is vacation she is italy now
6 what is this called english
7 lookthe flower
8adams birthday is july
9dont run the classroom
WRITING SECTION
DIARY ENTRIES-
1 You participate in a speech competition and could not perform well write your feelings in your dairy
2 You had memorable time with your friends spending the summer holidays in a beautifull place make a dairy
entry expressing the joy
3 You went to see the IPL match where you favorite team won the match and intered into the semi finals
Write the dairy entry expressing your feeling
4 Your teacher has asked you to record your resolution for the new your Erite a dairy entry in so 50 words
5 Write a dairy entry about a slopless summer night
Paragraph writing -
1 Global warming
2 Heath food vessus junk food in todayrsquo society
3 Laughter is a good medicine
4 Value of decipline
30 page ndash hand wrighting
READING TASKS
Read the following chapter carefully-
1 The rebel
2 Gopal and the hilsa fish
3 Bringing Up and Kasi
a) find the answer of the given question in all these chapter
b) find out the difficult words on your own while reading the chapter and prepare a list of those words and find out there
meaning from the dictionary
c) learn the question answer word meaning of those chapter which leave been done in the class
GRAMMER
RE-ARRANG THE FOLLOWING WORD TO MAKE A MEANING SENTENCE
A) Gothecanonconversationthree minutesfor
B) Disconnectedgetsaftersoontheline
C) Readhardlyhavetotheyanythingbut
D) Is aice creamthattoughbusinessseeling
E) Itrsquos the king coneshotcakessell like that
F) Some friendscustomersfavouredbythere arewhich are nothowever
G) Thestarsskytwinkletheinatnight
H) Reveal universecouldthesizethisof the
I) Twinkilingscientists saythestarsthat of thedistanceindicates
J) Astronomers this allow should to distance measures
USE THE FOLLOWING BLANK OF PREFIXES AND SUFFIXES TO MAKE SOME NEW WORDS
BANK OF SUFFIXES-
(1)- able
(2)-ful
(3)-ly
(4)-al
(5)-ion
Bank of prefixes-
(1) dis-
(2) In-
(3) Re-
(4) il-
(5)pre-
(6)un-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Hindi
१ महाभारत पसतक को पढ़ना (पज एक स पचास)
२ सलख दस पज
३ उपसरग १५ शबद
४ परतयय १५ शबद
५ पयागयवाची १५ शबद परतयक क ३ शबद |
६ अवकाश क ललए परारगना पतर |
७ १५ अरसत
रकषाबधन तनबध
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Maths
INSTRUCTION Revise chp-1(Integers) amp chp-2(Fractions and Decimals
and do the following two assignments
ASSIGNMENT-I
NOTE This assignment is based on the chapter-1 (Integers)
Q1Add the following integers using suitable association
375 + (-476) + (-75) + (-124)
Q2Put appropriate sign in the box lt gt or =
-230+59-60 -390+159+30
Q3The sum of two integers is -29If one of them is 475 find
the other
Q4Write down a pair of integers whose
(I) sum is -3
(II) difference is -5
Q5 Find (I) (-18)times(-5)times(-6)
(II) (-15)times(-14) + (-15)times(-16)
Q6 Divide (I) (-81) by (-9)
(II) (-324) by 18
Q7 Verify a-(-b) = a+b for the values of a=118 and b=125
Q8 (I) Represent the statement in the form of an integer
Rs 1000 deposited in the bank
(II) Write opposite of following as integer
5 km above the sea level
Q9 At Srinagar temperature was -3degC on Monday and then it
Dropped by 5degC on Tuesday What was the temperature of
Srinagar on Tuesday On Wednesday it rose by 4degC What
Was the temperature on this day
Q10 In a class test containing 10 questions 5 marks are
Awarded for every correct answer and -2 marks are
Awarded for every incorrect answer and 0 marks for
Not attempting
Mohit gets four correct and 6 incorrect answers What
Is his score
ASSIGNMENT-2
NOTE This assignment is based on the chapter-2 (Fractions amp
Decimals)
Q1 Find the sum (I) (II)
Q2 Find (I) (II)
Q3 Find (I) (II)
Q4 Divide (I) 6 divide (II)
Q5 Find (I) of 25 (II)
Q6 Write in ascending arrangement
Q7 Find (I) 27 times 4 (II) 23 times 435 (III)563 times 1000 (IV) 12 times 10
Q8 Convert (I) 7394 m to km (II) 30 kg 80 g as kg
Q9 Find the perimeter of rectangular park whose length and
Breadth are m and 34 m respectively
Q10 Find the area of a rectangle whose length is 67 cm and
Breadth is 45 cm
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Science
Q1Draw the diagram of the following
A) Digestive system
B) Different types of teeth
C) Ruminants
D) Amoeba
E) Stomata
F) Life cycle of Silkworm
Q2 Define the following terms by giving one example each
1) Shearing
2) Fleece
3) Scouring
4) Sorting
5) Sericulture
6) Nutrition
7) Nutrients
8) Autotrophic
9) Heterotrophic
10) Photosynthesis
11) Parisitic
12) Insectivorous
13) Stomata
14) Chlorophyll
15) Ingestion
16) Digestion
17) Absorption
18) Pseudopodia
19) Villi
20) Milk teeth
21) Permanent teeth
22) Egestion
Q3Make 10 MCQ lsquoS each from lesson 1 2 3
Q4Why do organisms need to take food
Q5 Distinguish between parasite and saprotroph
Q6Give a brief description of the process of synthesis of food in green plants
Q7What is stomata and what is its function
Q8 What is nutrition
Q9What is villi What is its location and function
Q10 Why cellulose cannot be digested by human beings
Q11Where is bile produced and writes its function
Q12What is the role of acid in stomach
Q13Explain the process of digestion in amoeba
Q14Explain the life cycle of silkworm
Q15Make a working model from topics given below
a) Conservation of energy
b) Health
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Social Science
1 Make a practical file on Components of environment How do changes in environment affect
usHow is the man a modifier of the environment by drawing different pictures related to
topic
2 Make an Assignment -What is the midday meal programme List three benefits of the
programme how do you think this programme might help promote greater equality
3 Learn chapter-on Equality Tracing changes through a thousand years Environment
4 Revise and Write following questions on fair notebook
1 Who were the parties involved in the ldquotripartite strugglerdquo
2 What were the qualifications necessary to become a member of a committee of the sabha in
the Chola Empire
3 Find out more about taxes that are collected at present Are these in cash kind or labour
services
4 What were the two major cities under the control of the Chahamanas
5 How did the Rashtrakutas become powerful
6 What did the new dynasties do to gain acceptance
7 What kind of irrigation works were developed in the Tamil region
8 What were the activities associated with Chola temples
9 What are the different ways through which the government can take steps to provide
healthcare for all
10 What differences do you find between private and public health services in your area
11 lsquoImprovement in water and sanitation can control many diseasesrsquo Explain with the help of
examples
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-English
1 10 PAGE HANDWRITING NEAT AND CLEAN 2 REVISE ALL THE CHAPTERS DONE SO FAR AND COME PREPARED FOR TEST TO BE CONDUCTED IMMEDIATELY AFTER REOPENNG OF SCHOOL 3 WRITE THE STORIES WITH THE FOLLOWING HEADS (a) THE SUN AND THE WIND (b) THE LION AND THE MOUSE (c) THE HEN THAT LAID GOLDEN EGGS (d) A FRIEND IN NEED IN A FRIEND INDEED (e) HARD WORK IS THE KEY OF SUCCESS
LETTER WRITING
- TO THE PRINCIPAL - FOR FIVE DAYS LEAVE GIVING ANY REASON - FOR FEE CONCESSION - CHANGE OF SECTION - REMISSION OF FINE
- INFORMAL LETTER - TO FRIEND INVITING TO BIRTHDAY PARTY - UNCLE THANKING FOR BIRTHDAY GIFT - LETTER TO FATHER GIVING HOME NEWS 4 READ FIRST THREE STORIES OF SUPPLEMENTRY BOOK amp WRITE THE SUMMARY IN YOUR OWN WORDS 5 WRITE 20 QUESTIONS OF DAILY CONVERSATION WITH THEIR POSSIBLE ANSWERS 6 WRITE 20 PROVERBS IN ENGLISH WITH THEIR HINDI VERSION 7 PICK UP ONE NEWS HEADLINE PER DAY AND ELABORATE THE NEWS IN YOUR OWN WORDS
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
System (I) 97654310 (II) 279453
Q7 Write the numeral for each of the following
(I) Nine thousand eighteen helliphelliphelliphelliphelliphelliphellip
(II) Fifty two million two hundred five thousand six helliphelliphelliphelliphellip
Q8Estimate the sum to nearest hundred as well as to nearest
tens place 3280 + 4395
Q9 A merchant had rs 78592 with herShe placed an order for
Purchasing 40 radio sets at rs1200 each How much money
Will remain with her after the purchase
Q10 A book exhibition was held for four days in a school The
Number of tickets sold at the counter on the first second
Third and final day was respectively 109418122050 and
2751 Find the total number of tickets sold on all 4 days
ASSIGNMENT-2
NOTE This assignment is based on the chapter-2
(Whole numbers)
Q1 Write the smallest and largest whole number
Q2 Find the successor (I) 48499 (II) 10999
Q3 Find the predecessor (I) 9999 (II) 1000
Q4 Find the sum by suitable rearrangement 1842 + 453 +158
Q5 Find the product by suitable rearrangement 25 times 8358 times 4
Q6 Simplify 126 times 55 + 126 times 45
Q7 Find the product using suitable properties
(I) 8 times 392 times 125 (II) 104 times 108
Q8 A vendor supplies 35 litres of milk to a hotel in the evening
And 70 litres of milk in the morning If the milk costs Rs30
Per litre how much money is due to the vendor per day
Q9 A taxi driver filled his car petrol tank with 40 litres of petrol
On Monday The next day he filled the tank with 35 litres of
Petrol If the petrol costs Rs44 per litre how much did he
Spend in all on petrol
Q10 Give the example of a number which when multiplied by
Itself gives the same number
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Science
Learn and write all the following questions - Q1How is honey produced by honey bees Q2 Make a list of 12 animals and the foods they eat Q3Name some products we get from animals Q4Make a list of food items generally taken by people of different regions of India Q5Name two foods rich in fats starch dietary fiber protein Q6How do vitamins protect our body Q7How can we test the presence of fats and protein in food Q8Make a table of diseases disorders caused by deficiency of vitamins and minerals Q9_____________ chemical is used to test the presence of starch in food Q10 ___________ chemical is used to test the presence of proteins in food Q11Name the major nutrients present in food Q12What are natural fibers Give example Q13Name the states of India where jute is grown Q14Explain the process of making yarn from fiber Q15What are synthetic fibers Give example Q16Silk is obtained from ______________ of silkworm Q17Device used for spinning is called ____________ Q18 The fruit of cotton plant is called _____________ Q19Define the following 1) Fabric 2) Fibre 3) Knitting 4) Spinning 5) Scurvy 6) Balanced Diet 7) Goitre 8) Anaemia 9) Rickets 10) Bee hives Q 20 On a scrap book name and Paste different food items containing carbohydrates proteins fats and minerals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Social Science
GEOGRAPHY
CHAPTER - EARTH IN SOLAR SYSTEM
1 How does a planet differ from a star
2 Why Earth is a unique planet
CHAPTER - GLOBE LONGITUDE AND LATITUDE
1 What is the true shape of earth
2 What is a Globe
3 What is three zone of the earth
HISTORY
CHAPTER - WHAT WHERE HOW AND WHEN
1 List one major difference between Manuscripts and Inscriptions
2 Describe at least two ways in which you think the lives of Kings would have been different from
those of farmers
CHAPTER- ON THE TRAIL OF THE EARLIEST PEOPLE
Why did the hunter gatherer travel from the place to placeIn what ways are these similar to and
different from the reasons for which we travel today
CIVICS
UNDERSTANDING DIVERSITY
Draw a list of the different festivals celeberated in your locality Which of these celeberations are shared
by the number of different regions and religions
COMMUNITIES
MAP SKILL
To Fill 5 Indian political map with 29 states and capitals and 8 Union Territories with their Capital
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख |
छातर परततजञा व परारगना ससकत म याद कर |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-English
(1)- Itoutside(rain)
(2)- Ravi to his friends (talk)
(3)- He tennis there (play)
(4)- They noise in the class(always)
(5)-Imy doctor tonight(visit)
(6)-Wethe doctor(close)
(7)-Sita in library(study)
(8)-She sweater for son(knit)
(9)-The planeat fiveO clock (leave)
(10)-Youin the class(always)
(11)-Wefor Mumbai on sunday(leave)
(12)-My class move(run)
(13)-Someone at the door(knock)
(14)-He for you in the office(wait)
(15)-The dog at the gate (bark)
(16)-What are you(do)
(17)-He inltaly at the moment(work)
(18)-That child bigger everyday (get)
(19)-Who is that girl on the table(stand)
(20)- Ifor the shops to open(wait)
FILL IN THE BLANKS WITH APPORPRIATE
SIMPLE PRESENT TENSE FORM OF THE
VERB GIVEN IN THE BRACKETS
1the plane at 630(arrive)
2i will phone you when he back(come)
3unless we now we cant be there on time(start)
4the sun in the last (rise)
5 the next on monday(begin)
6she an engineer(be)
7 they our relatives(be)
8when does the train (depart)
9lets wait till hehis work(finish)
10iyou(like)
COMPLETE THE EXERCISE WITH CONVENINENT PREPOSITIONS-
1 nice meet you
2 dont be lateschool
3are you the new studentportugal
4 are you a teacher this school
5jessica is vacation she is italy now
6 what is this called english
7 lookthe flower
8adams birthday is july
9dont run the classroom
WRITING SECTION
DIARY ENTRIES-
1 You participate in a speech competition and could not perform well write your feelings in your dairy
2 You had memorable time with your friends spending the summer holidays in a beautifull place make a dairy
entry expressing the joy
3 You went to see the IPL match where you favorite team won the match and intered into the semi finals
Write the dairy entry expressing your feeling
4 Your teacher has asked you to record your resolution for the new your Erite a dairy entry in so 50 words
5 Write a dairy entry about a slopless summer night
Paragraph writing -
1 Global warming
2 Heath food vessus junk food in todayrsquo society
3 Laughter is a good medicine
4 Value of decipline
30 page ndash hand wrighting
READING TASKS
Read the following chapter carefully-
1 The rebel
2 Gopal and the hilsa fish
3 Bringing Up and Kasi
a) find the answer of the given question in all these chapter
b) find out the difficult words on your own while reading the chapter and prepare a list of those words and find out there
meaning from the dictionary
c) learn the question answer word meaning of those chapter which leave been done in the class
GRAMMER
RE-ARRANG THE FOLLOWING WORD TO MAKE A MEANING SENTENCE
A) Gothecanonconversationthree minutesfor
B) Disconnectedgetsaftersoontheline
C) Readhardlyhavetotheyanythingbut
D) Is aice creamthattoughbusinessseeling
E) Itrsquos the king coneshotcakessell like that
F) Some friendscustomersfavouredbythere arewhich are nothowever
G) Thestarsskytwinkletheinatnight
H) Reveal universecouldthesizethisof the
I) Twinkilingscientists saythestarsthat of thedistanceindicates
J) Astronomers this allow should to distance measures
USE THE FOLLOWING BLANK OF PREFIXES AND SUFFIXES TO MAKE SOME NEW WORDS
BANK OF SUFFIXES-
(1)- able
(2)-ful
(3)-ly
(4)-al
(5)-ion
Bank of prefixes-
(1) dis-
(2) In-
(3) Re-
(4) il-
(5)pre-
(6)un-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Hindi
१ महाभारत पसतक को पढ़ना (पज एक स पचास)
२ सलख दस पज
३ उपसरग १५ शबद
४ परतयय १५ शबद
५ पयागयवाची १५ शबद परतयक क ३ शबद |
६ अवकाश क ललए परारगना पतर |
७ १५ अरसत
रकषाबधन तनबध
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Maths
INSTRUCTION Revise chp-1(Integers) amp chp-2(Fractions and Decimals
and do the following two assignments
ASSIGNMENT-I
NOTE This assignment is based on the chapter-1 (Integers)
Q1Add the following integers using suitable association
375 + (-476) + (-75) + (-124)
Q2Put appropriate sign in the box lt gt or =
-230+59-60 -390+159+30
Q3The sum of two integers is -29If one of them is 475 find
the other
Q4Write down a pair of integers whose
(I) sum is -3
(II) difference is -5
Q5 Find (I) (-18)times(-5)times(-6)
(II) (-15)times(-14) + (-15)times(-16)
Q6 Divide (I) (-81) by (-9)
(II) (-324) by 18
Q7 Verify a-(-b) = a+b for the values of a=118 and b=125
Q8 (I) Represent the statement in the form of an integer
Rs 1000 deposited in the bank
(II) Write opposite of following as integer
5 km above the sea level
Q9 At Srinagar temperature was -3degC on Monday and then it
Dropped by 5degC on Tuesday What was the temperature of
Srinagar on Tuesday On Wednesday it rose by 4degC What
Was the temperature on this day
Q10 In a class test containing 10 questions 5 marks are
Awarded for every correct answer and -2 marks are
Awarded for every incorrect answer and 0 marks for
Not attempting
Mohit gets four correct and 6 incorrect answers What
Is his score
ASSIGNMENT-2
NOTE This assignment is based on the chapter-2 (Fractions amp
Decimals)
Q1 Find the sum (I) (II)
Q2 Find (I) (II)
Q3 Find (I) (II)
Q4 Divide (I) 6 divide (II)
Q5 Find (I) of 25 (II)
Q6 Write in ascending arrangement
Q7 Find (I) 27 times 4 (II) 23 times 435 (III)563 times 1000 (IV) 12 times 10
Q8 Convert (I) 7394 m to km (II) 30 kg 80 g as kg
Q9 Find the perimeter of rectangular park whose length and
Breadth are m and 34 m respectively
Q10 Find the area of a rectangle whose length is 67 cm and
Breadth is 45 cm
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Science
Q1Draw the diagram of the following
A) Digestive system
B) Different types of teeth
C) Ruminants
D) Amoeba
E) Stomata
F) Life cycle of Silkworm
Q2 Define the following terms by giving one example each
1) Shearing
2) Fleece
3) Scouring
4) Sorting
5) Sericulture
6) Nutrition
7) Nutrients
8) Autotrophic
9) Heterotrophic
10) Photosynthesis
11) Parisitic
12) Insectivorous
13) Stomata
14) Chlorophyll
15) Ingestion
16) Digestion
17) Absorption
18) Pseudopodia
19) Villi
20) Milk teeth
21) Permanent teeth
22) Egestion
Q3Make 10 MCQ lsquoS each from lesson 1 2 3
Q4Why do organisms need to take food
Q5 Distinguish between parasite and saprotroph
Q6Give a brief description of the process of synthesis of food in green plants
Q7What is stomata and what is its function
Q8 What is nutrition
Q9What is villi What is its location and function
Q10 Why cellulose cannot be digested by human beings
Q11Where is bile produced and writes its function
Q12What is the role of acid in stomach
Q13Explain the process of digestion in amoeba
Q14Explain the life cycle of silkworm
Q15Make a working model from topics given below
a) Conservation of energy
b) Health
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Social Science
1 Make a practical file on Components of environment How do changes in environment affect
usHow is the man a modifier of the environment by drawing different pictures related to
topic
2 Make an Assignment -What is the midday meal programme List three benefits of the
programme how do you think this programme might help promote greater equality
3 Learn chapter-on Equality Tracing changes through a thousand years Environment
4 Revise and Write following questions on fair notebook
1 Who were the parties involved in the ldquotripartite strugglerdquo
2 What were the qualifications necessary to become a member of a committee of the sabha in
the Chola Empire
3 Find out more about taxes that are collected at present Are these in cash kind or labour
services
4 What were the two major cities under the control of the Chahamanas
5 How did the Rashtrakutas become powerful
6 What did the new dynasties do to gain acceptance
7 What kind of irrigation works were developed in the Tamil region
8 What were the activities associated with Chola temples
9 What are the different ways through which the government can take steps to provide
healthcare for all
10 What differences do you find between private and public health services in your area
11 lsquoImprovement in water and sanitation can control many diseasesrsquo Explain with the help of
examples
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-English
1 10 PAGE HANDWRITING NEAT AND CLEAN 2 REVISE ALL THE CHAPTERS DONE SO FAR AND COME PREPARED FOR TEST TO BE CONDUCTED IMMEDIATELY AFTER REOPENNG OF SCHOOL 3 WRITE THE STORIES WITH THE FOLLOWING HEADS (a) THE SUN AND THE WIND (b) THE LION AND THE MOUSE (c) THE HEN THAT LAID GOLDEN EGGS (d) A FRIEND IN NEED IN A FRIEND INDEED (e) HARD WORK IS THE KEY OF SUCCESS
LETTER WRITING
- TO THE PRINCIPAL - FOR FIVE DAYS LEAVE GIVING ANY REASON - FOR FEE CONCESSION - CHANGE OF SECTION - REMISSION OF FINE
- INFORMAL LETTER - TO FRIEND INVITING TO BIRTHDAY PARTY - UNCLE THANKING FOR BIRTHDAY GIFT - LETTER TO FATHER GIVING HOME NEWS 4 READ FIRST THREE STORIES OF SUPPLEMENTRY BOOK amp WRITE THE SUMMARY IN YOUR OWN WORDS 5 WRITE 20 QUESTIONS OF DAILY CONVERSATION WITH THEIR POSSIBLE ANSWERS 6 WRITE 20 PROVERBS IN ENGLISH WITH THEIR HINDI VERSION 7 PICK UP ONE NEWS HEADLINE PER DAY AND ELABORATE THE NEWS IN YOUR OWN WORDS
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Q5 Find the product by suitable rearrangement 25 times 8358 times 4
Q6 Simplify 126 times 55 + 126 times 45
Q7 Find the product using suitable properties
(I) 8 times 392 times 125 (II) 104 times 108
Q8 A vendor supplies 35 litres of milk to a hotel in the evening
And 70 litres of milk in the morning If the milk costs Rs30
Per litre how much money is due to the vendor per day
Q9 A taxi driver filled his car petrol tank with 40 litres of petrol
On Monday The next day he filled the tank with 35 litres of
Petrol If the petrol costs Rs44 per litre how much did he
Spend in all on petrol
Q10 Give the example of a number which when multiplied by
Itself gives the same number
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Science
Learn and write all the following questions - Q1How is honey produced by honey bees Q2 Make a list of 12 animals and the foods they eat Q3Name some products we get from animals Q4Make a list of food items generally taken by people of different regions of India Q5Name two foods rich in fats starch dietary fiber protein Q6How do vitamins protect our body Q7How can we test the presence of fats and protein in food Q8Make a table of diseases disorders caused by deficiency of vitamins and minerals Q9_____________ chemical is used to test the presence of starch in food Q10 ___________ chemical is used to test the presence of proteins in food Q11Name the major nutrients present in food Q12What are natural fibers Give example Q13Name the states of India where jute is grown Q14Explain the process of making yarn from fiber Q15What are synthetic fibers Give example Q16Silk is obtained from ______________ of silkworm Q17Device used for spinning is called ____________ Q18 The fruit of cotton plant is called _____________ Q19Define the following 1) Fabric 2) Fibre 3) Knitting 4) Spinning 5) Scurvy 6) Balanced Diet 7) Goitre 8) Anaemia 9) Rickets 10) Bee hives Q 20 On a scrap book name and Paste different food items containing carbohydrates proteins fats and minerals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Social Science
GEOGRAPHY
CHAPTER - EARTH IN SOLAR SYSTEM
1 How does a planet differ from a star
2 Why Earth is a unique planet
CHAPTER - GLOBE LONGITUDE AND LATITUDE
1 What is the true shape of earth
2 What is a Globe
3 What is three zone of the earth
HISTORY
CHAPTER - WHAT WHERE HOW AND WHEN
1 List one major difference between Manuscripts and Inscriptions
2 Describe at least two ways in which you think the lives of Kings would have been different from
those of farmers
CHAPTER- ON THE TRAIL OF THE EARLIEST PEOPLE
Why did the hunter gatherer travel from the place to placeIn what ways are these similar to and
different from the reasons for which we travel today
CIVICS
UNDERSTANDING DIVERSITY
Draw a list of the different festivals celeberated in your locality Which of these celeberations are shared
by the number of different regions and religions
COMMUNITIES
MAP SKILL
To Fill 5 Indian political map with 29 states and capitals and 8 Union Territories with their Capital
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख |
छातर परततजञा व परारगना ससकत म याद कर |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-English
(1)- Itoutside(rain)
(2)- Ravi to his friends (talk)
(3)- He tennis there (play)
(4)- They noise in the class(always)
(5)-Imy doctor tonight(visit)
(6)-Wethe doctor(close)
(7)-Sita in library(study)
(8)-She sweater for son(knit)
(9)-The planeat fiveO clock (leave)
(10)-Youin the class(always)
(11)-Wefor Mumbai on sunday(leave)
(12)-My class move(run)
(13)-Someone at the door(knock)
(14)-He for you in the office(wait)
(15)-The dog at the gate (bark)
(16)-What are you(do)
(17)-He inltaly at the moment(work)
(18)-That child bigger everyday (get)
(19)-Who is that girl on the table(stand)
(20)- Ifor the shops to open(wait)
FILL IN THE BLANKS WITH APPORPRIATE
SIMPLE PRESENT TENSE FORM OF THE
VERB GIVEN IN THE BRACKETS
1the plane at 630(arrive)
2i will phone you when he back(come)
3unless we now we cant be there on time(start)
4the sun in the last (rise)
5 the next on monday(begin)
6she an engineer(be)
7 they our relatives(be)
8when does the train (depart)
9lets wait till hehis work(finish)
10iyou(like)
COMPLETE THE EXERCISE WITH CONVENINENT PREPOSITIONS-
1 nice meet you
2 dont be lateschool
3are you the new studentportugal
4 are you a teacher this school
5jessica is vacation she is italy now
6 what is this called english
7 lookthe flower
8adams birthday is july
9dont run the classroom
WRITING SECTION
DIARY ENTRIES-
1 You participate in a speech competition and could not perform well write your feelings in your dairy
2 You had memorable time with your friends spending the summer holidays in a beautifull place make a dairy
entry expressing the joy
3 You went to see the IPL match where you favorite team won the match and intered into the semi finals
Write the dairy entry expressing your feeling
4 Your teacher has asked you to record your resolution for the new your Erite a dairy entry in so 50 words
5 Write a dairy entry about a slopless summer night
Paragraph writing -
1 Global warming
2 Heath food vessus junk food in todayrsquo society
3 Laughter is a good medicine
4 Value of decipline
30 page ndash hand wrighting
READING TASKS
Read the following chapter carefully-
1 The rebel
2 Gopal and the hilsa fish
3 Bringing Up and Kasi
a) find the answer of the given question in all these chapter
b) find out the difficult words on your own while reading the chapter and prepare a list of those words and find out there
meaning from the dictionary
c) learn the question answer word meaning of those chapter which leave been done in the class
GRAMMER
RE-ARRANG THE FOLLOWING WORD TO MAKE A MEANING SENTENCE
A) Gothecanonconversationthree minutesfor
B) Disconnectedgetsaftersoontheline
C) Readhardlyhavetotheyanythingbut
D) Is aice creamthattoughbusinessseeling
E) Itrsquos the king coneshotcakessell like that
F) Some friendscustomersfavouredbythere arewhich are nothowever
G) Thestarsskytwinkletheinatnight
H) Reveal universecouldthesizethisof the
I) Twinkilingscientists saythestarsthat of thedistanceindicates
J) Astronomers this allow should to distance measures
USE THE FOLLOWING BLANK OF PREFIXES AND SUFFIXES TO MAKE SOME NEW WORDS
BANK OF SUFFIXES-
(1)- able
(2)-ful
(3)-ly
(4)-al
(5)-ion
Bank of prefixes-
(1) dis-
(2) In-
(3) Re-
(4) il-
(5)pre-
(6)un-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Hindi
१ महाभारत पसतक को पढ़ना (पज एक स पचास)
२ सलख दस पज
३ उपसरग १५ शबद
४ परतयय १५ शबद
५ पयागयवाची १५ शबद परतयक क ३ शबद |
६ अवकाश क ललए परारगना पतर |
७ १५ अरसत
रकषाबधन तनबध
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Maths
INSTRUCTION Revise chp-1(Integers) amp chp-2(Fractions and Decimals
and do the following two assignments
ASSIGNMENT-I
NOTE This assignment is based on the chapter-1 (Integers)
Q1Add the following integers using suitable association
375 + (-476) + (-75) + (-124)
Q2Put appropriate sign in the box lt gt or =
-230+59-60 -390+159+30
Q3The sum of two integers is -29If one of them is 475 find
the other
Q4Write down a pair of integers whose
(I) sum is -3
(II) difference is -5
Q5 Find (I) (-18)times(-5)times(-6)
(II) (-15)times(-14) + (-15)times(-16)
Q6 Divide (I) (-81) by (-9)
(II) (-324) by 18
Q7 Verify a-(-b) = a+b for the values of a=118 and b=125
Q8 (I) Represent the statement in the form of an integer
Rs 1000 deposited in the bank
(II) Write opposite of following as integer
5 km above the sea level
Q9 At Srinagar temperature was -3degC on Monday and then it
Dropped by 5degC on Tuesday What was the temperature of
Srinagar on Tuesday On Wednesday it rose by 4degC What
Was the temperature on this day
Q10 In a class test containing 10 questions 5 marks are
Awarded for every correct answer and -2 marks are
Awarded for every incorrect answer and 0 marks for
Not attempting
Mohit gets four correct and 6 incorrect answers What
Is his score
ASSIGNMENT-2
NOTE This assignment is based on the chapter-2 (Fractions amp
Decimals)
Q1 Find the sum (I) (II)
Q2 Find (I) (II)
Q3 Find (I) (II)
Q4 Divide (I) 6 divide (II)
Q5 Find (I) of 25 (II)
Q6 Write in ascending arrangement
Q7 Find (I) 27 times 4 (II) 23 times 435 (III)563 times 1000 (IV) 12 times 10
Q8 Convert (I) 7394 m to km (II) 30 kg 80 g as kg
Q9 Find the perimeter of rectangular park whose length and
Breadth are m and 34 m respectively
Q10 Find the area of a rectangle whose length is 67 cm and
Breadth is 45 cm
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Science
Q1Draw the diagram of the following
A) Digestive system
B) Different types of teeth
C) Ruminants
D) Amoeba
E) Stomata
F) Life cycle of Silkworm
Q2 Define the following terms by giving one example each
1) Shearing
2) Fleece
3) Scouring
4) Sorting
5) Sericulture
6) Nutrition
7) Nutrients
8) Autotrophic
9) Heterotrophic
10) Photosynthesis
11) Parisitic
12) Insectivorous
13) Stomata
14) Chlorophyll
15) Ingestion
16) Digestion
17) Absorption
18) Pseudopodia
19) Villi
20) Milk teeth
21) Permanent teeth
22) Egestion
Q3Make 10 MCQ lsquoS each from lesson 1 2 3
Q4Why do organisms need to take food
Q5 Distinguish between parasite and saprotroph
Q6Give a brief description of the process of synthesis of food in green plants
Q7What is stomata and what is its function
Q8 What is nutrition
Q9What is villi What is its location and function
Q10 Why cellulose cannot be digested by human beings
Q11Where is bile produced and writes its function
Q12What is the role of acid in stomach
Q13Explain the process of digestion in amoeba
Q14Explain the life cycle of silkworm
Q15Make a working model from topics given below
a) Conservation of energy
b) Health
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Social Science
1 Make a practical file on Components of environment How do changes in environment affect
usHow is the man a modifier of the environment by drawing different pictures related to
topic
2 Make an Assignment -What is the midday meal programme List three benefits of the
programme how do you think this programme might help promote greater equality
3 Learn chapter-on Equality Tracing changes through a thousand years Environment
4 Revise and Write following questions on fair notebook
1 Who were the parties involved in the ldquotripartite strugglerdquo
2 What were the qualifications necessary to become a member of a committee of the sabha in
the Chola Empire
3 Find out more about taxes that are collected at present Are these in cash kind or labour
services
4 What were the two major cities under the control of the Chahamanas
5 How did the Rashtrakutas become powerful
6 What did the new dynasties do to gain acceptance
7 What kind of irrigation works were developed in the Tamil region
8 What were the activities associated with Chola temples
9 What are the different ways through which the government can take steps to provide
healthcare for all
10 What differences do you find between private and public health services in your area
11 lsquoImprovement in water and sanitation can control many diseasesrsquo Explain with the help of
examples
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-English
1 10 PAGE HANDWRITING NEAT AND CLEAN 2 REVISE ALL THE CHAPTERS DONE SO FAR AND COME PREPARED FOR TEST TO BE CONDUCTED IMMEDIATELY AFTER REOPENNG OF SCHOOL 3 WRITE THE STORIES WITH THE FOLLOWING HEADS (a) THE SUN AND THE WIND (b) THE LION AND THE MOUSE (c) THE HEN THAT LAID GOLDEN EGGS (d) A FRIEND IN NEED IN A FRIEND INDEED (e) HARD WORK IS THE KEY OF SUCCESS
LETTER WRITING
- TO THE PRINCIPAL - FOR FIVE DAYS LEAVE GIVING ANY REASON - FOR FEE CONCESSION - CHANGE OF SECTION - REMISSION OF FINE
- INFORMAL LETTER - TO FRIEND INVITING TO BIRTHDAY PARTY - UNCLE THANKING FOR BIRTHDAY GIFT - LETTER TO FATHER GIVING HOME NEWS 4 READ FIRST THREE STORIES OF SUPPLEMENTRY BOOK amp WRITE THE SUMMARY IN YOUR OWN WORDS 5 WRITE 20 QUESTIONS OF DAILY CONVERSATION WITH THEIR POSSIBLE ANSWERS 6 WRITE 20 PROVERBS IN ENGLISH WITH THEIR HINDI VERSION 7 PICK UP ONE NEWS HEADLINE PER DAY AND ELABORATE THE NEWS IN YOUR OWN WORDS
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Science
Learn and write all the following questions - Q1How is honey produced by honey bees Q2 Make a list of 12 animals and the foods they eat Q3Name some products we get from animals Q4Make a list of food items generally taken by people of different regions of India Q5Name two foods rich in fats starch dietary fiber protein Q6How do vitamins protect our body Q7How can we test the presence of fats and protein in food Q8Make a table of diseases disorders caused by deficiency of vitamins and minerals Q9_____________ chemical is used to test the presence of starch in food Q10 ___________ chemical is used to test the presence of proteins in food Q11Name the major nutrients present in food Q12What are natural fibers Give example Q13Name the states of India where jute is grown Q14Explain the process of making yarn from fiber Q15What are synthetic fibers Give example Q16Silk is obtained from ______________ of silkworm Q17Device used for spinning is called ____________ Q18 The fruit of cotton plant is called _____________ Q19Define the following 1) Fabric 2) Fibre 3) Knitting 4) Spinning 5) Scurvy 6) Balanced Diet 7) Goitre 8) Anaemia 9) Rickets 10) Bee hives Q 20 On a scrap book name and Paste different food items containing carbohydrates proteins fats and minerals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Social Science
GEOGRAPHY
CHAPTER - EARTH IN SOLAR SYSTEM
1 How does a planet differ from a star
2 Why Earth is a unique planet
CHAPTER - GLOBE LONGITUDE AND LATITUDE
1 What is the true shape of earth
2 What is a Globe
3 What is three zone of the earth
HISTORY
CHAPTER - WHAT WHERE HOW AND WHEN
1 List one major difference between Manuscripts and Inscriptions
2 Describe at least two ways in which you think the lives of Kings would have been different from
those of farmers
CHAPTER- ON THE TRAIL OF THE EARLIEST PEOPLE
Why did the hunter gatherer travel from the place to placeIn what ways are these similar to and
different from the reasons for which we travel today
CIVICS
UNDERSTANDING DIVERSITY
Draw a list of the different festivals celeberated in your locality Which of these celeberations are shared
by the number of different regions and religions
COMMUNITIES
MAP SKILL
To Fill 5 Indian political map with 29 states and capitals and 8 Union Territories with their Capital
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख |
छातर परततजञा व परारगना ससकत म याद कर |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-English
(1)- Itoutside(rain)
(2)- Ravi to his friends (talk)
(3)- He tennis there (play)
(4)- They noise in the class(always)
(5)-Imy doctor tonight(visit)
(6)-Wethe doctor(close)
(7)-Sita in library(study)
(8)-She sweater for son(knit)
(9)-The planeat fiveO clock (leave)
(10)-Youin the class(always)
(11)-Wefor Mumbai on sunday(leave)
(12)-My class move(run)
(13)-Someone at the door(knock)
(14)-He for you in the office(wait)
(15)-The dog at the gate (bark)
(16)-What are you(do)
(17)-He inltaly at the moment(work)
(18)-That child bigger everyday (get)
(19)-Who is that girl on the table(stand)
(20)- Ifor the shops to open(wait)
FILL IN THE BLANKS WITH APPORPRIATE
SIMPLE PRESENT TENSE FORM OF THE
VERB GIVEN IN THE BRACKETS
1the plane at 630(arrive)
2i will phone you when he back(come)
3unless we now we cant be there on time(start)
4the sun in the last (rise)
5 the next on monday(begin)
6she an engineer(be)
7 they our relatives(be)
8when does the train (depart)
9lets wait till hehis work(finish)
10iyou(like)
COMPLETE THE EXERCISE WITH CONVENINENT PREPOSITIONS-
1 nice meet you
2 dont be lateschool
3are you the new studentportugal
4 are you a teacher this school
5jessica is vacation she is italy now
6 what is this called english
7 lookthe flower
8adams birthday is july
9dont run the classroom
WRITING SECTION
DIARY ENTRIES-
1 You participate in a speech competition and could not perform well write your feelings in your dairy
2 You had memorable time with your friends spending the summer holidays in a beautifull place make a dairy
entry expressing the joy
3 You went to see the IPL match where you favorite team won the match and intered into the semi finals
Write the dairy entry expressing your feeling
4 Your teacher has asked you to record your resolution for the new your Erite a dairy entry in so 50 words
5 Write a dairy entry about a slopless summer night
Paragraph writing -
1 Global warming
2 Heath food vessus junk food in todayrsquo society
3 Laughter is a good medicine
4 Value of decipline
30 page ndash hand wrighting
READING TASKS
Read the following chapter carefully-
1 The rebel
2 Gopal and the hilsa fish
3 Bringing Up and Kasi
a) find the answer of the given question in all these chapter
b) find out the difficult words on your own while reading the chapter and prepare a list of those words and find out there
meaning from the dictionary
c) learn the question answer word meaning of those chapter which leave been done in the class
GRAMMER
RE-ARRANG THE FOLLOWING WORD TO MAKE A MEANING SENTENCE
A) Gothecanonconversationthree minutesfor
B) Disconnectedgetsaftersoontheline
C) Readhardlyhavetotheyanythingbut
D) Is aice creamthattoughbusinessseeling
E) Itrsquos the king coneshotcakessell like that
F) Some friendscustomersfavouredbythere arewhich are nothowever
G) Thestarsskytwinkletheinatnight
H) Reveal universecouldthesizethisof the
I) Twinkilingscientists saythestarsthat of thedistanceindicates
J) Astronomers this allow should to distance measures
USE THE FOLLOWING BLANK OF PREFIXES AND SUFFIXES TO MAKE SOME NEW WORDS
BANK OF SUFFIXES-
(1)- able
(2)-ful
(3)-ly
(4)-al
(5)-ion
Bank of prefixes-
(1) dis-
(2) In-
(3) Re-
(4) il-
(5)pre-
(6)un-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Hindi
१ महाभारत पसतक को पढ़ना (पज एक स पचास)
२ सलख दस पज
३ उपसरग १५ शबद
४ परतयय १५ शबद
५ पयागयवाची १५ शबद परतयक क ३ शबद |
६ अवकाश क ललए परारगना पतर |
७ १५ अरसत
रकषाबधन तनबध
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Maths
INSTRUCTION Revise chp-1(Integers) amp chp-2(Fractions and Decimals
and do the following two assignments
ASSIGNMENT-I
NOTE This assignment is based on the chapter-1 (Integers)
Q1Add the following integers using suitable association
375 + (-476) + (-75) + (-124)
Q2Put appropriate sign in the box lt gt or =
-230+59-60 -390+159+30
Q3The sum of two integers is -29If one of them is 475 find
the other
Q4Write down a pair of integers whose
(I) sum is -3
(II) difference is -5
Q5 Find (I) (-18)times(-5)times(-6)
(II) (-15)times(-14) + (-15)times(-16)
Q6 Divide (I) (-81) by (-9)
(II) (-324) by 18
Q7 Verify a-(-b) = a+b for the values of a=118 and b=125
Q8 (I) Represent the statement in the form of an integer
Rs 1000 deposited in the bank
(II) Write opposite of following as integer
5 km above the sea level
Q9 At Srinagar temperature was -3degC on Monday and then it
Dropped by 5degC on Tuesday What was the temperature of
Srinagar on Tuesday On Wednesday it rose by 4degC What
Was the temperature on this day
Q10 In a class test containing 10 questions 5 marks are
Awarded for every correct answer and -2 marks are
Awarded for every incorrect answer and 0 marks for
Not attempting
Mohit gets four correct and 6 incorrect answers What
Is his score
ASSIGNMENT-2
NOTE This assignment is based on the chapter-2 (Fractions amp
Decimals)
Q1 Find the sum (I) (II)
Q2 Find (I) (II)
Q3 Find (I) (II)
Q4 Divide (I) 6 divide (II)
Q5 Find (I) of 25 (II)
Q6 Write in ascending arrangement
Q7 Find (I) 27 times 4 (II) 23 times 435 (III)563 times 1000 (IV) 12 times 10
Q8 Convert (I) 7394 m to km (II) 30 kg 80 g as kg
Q9 Find the perimeter of rectangular park whose length and
Breadth are m and 34 m respectively
Q10 Find the area of a rectangle whose length is 67 cm and
Breadth is 45 cm
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Science
Q1Draw the diagram of the following
A) Digestive system
B) Different types of teeth
C) Ruminants
D) Amoeba
E) Stomata
F) Life cycle of Silkworm
Q2 Define the following terms by giving one example each
1) Shearing
2) Fleece
3) Scouring
4) Sorting
5) Sericulture
6) Nutrition
7) Nutrients
8) Autotrophic
9) Heterotrophic
10) Photosynthesis
11) Parisitic
12) Insectivorous
13) Stomata
14) Chlorophyll
15) Ingestion
16) Digestion
17) Absorption
18) Pseudopodia
19) Villi
20) Milk teeth
21) Permanent teeth
22) Egestion
Q3Make 10 MCQ lsquoS each from lesson 1 2 3
Q4Why do organisms need to take food
Q5 Distinguish between parasite and saprotroph
Q6Give a brief description of the process of synthesis of food in green plants
Q7What is stomata and what is its function
Q8 What is nutrition
Q9What is villi What is its location and function
Q10 Why cellulose cannot be digested by human beings
Q11Where is bile produced and writes its function
Q12What is the role of acid in stomach
Q13Explain the process of digestion in amoeba
Q14Explain the life cycle of silkworm
Q15Make a working model from topics given below
a) Conservation of energy
b) Health
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Social Science
1 Make a practical file on Components of environment How do changes in environment affect
usHow is the man a modifier of the environment by drawing different pictures related to
topic
2 Make an Assignment -What is the midday meal programme List three benefits of the
programme how do you think this programme might help promote greater equality
3 Learn chapter-on Equality Tracing changes through a thousand years Environment
4 Revise and Write following questions on fair notebook
1 Who were the parties involved in the ldquotripartite strugglerdquo
2 What were the qualifications necessary to become a member of a committee of the sabha in
the Chola Empire
3 Find out more about taxes that are collected at present Are these in cash kind or labour
services
4 What were the two major cities under the control of the Chahamanas
5 How did the Rashtrakutas become powerful
6 What did the new dynasties do to gain acceptance
7 What kind of irrigation works were developed in the Tamil region
8 What were the activities associated with Chola temples
9 What are the different ways through which the government can take steps to provide
healthcare for all
10 What differences do you find between private and public health services in your area
11 lsquoImprovement in water and sanitation can control many diseasesrsquo Explain with the help of
examples
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-English
1 10 PAGE HANDWRITING NEAT AND CLEAN 2 REVISE ALL THE CHAPTERS DONE SO FAR AND COME PREPARED FOR TEST TO BE CONDUCTED IMMEDIATELY AFTER REOPENNG OF SCHOOL 3 WRITE THE STORIES WITH THE FOLLOWING HEADS (a) THE SUN AND THE WIND (b) THE LION AND THE MOUSE (c) THE HEN THAT LAID GOLDEN EGGS (d) A FRIEND IN NEED IN A FRIEND INDEED (e) HARD WORK IS THE KEY OF SUCCESS
LETTER WRITING
- TO THE PRINCIPAL - FOR FIVE DAYS LEAVE GIVING ANY REASON - FOR FEE CONCESSION - CHANGE OF SECTION - REMISSION OF FINE
- INFORMAL LETTER - TO FRIEND INVITING TO BIRTHDAY PARTY - UNCLE THANKING FOR BIRTHDAY GIFT - LETTER TO FATHER GIVING HOME NEWS 4 READ FIRST THREE STORIES OF SUPPLEMENTRY BOOK amp WRITE THE SUMMARY IN YOUR OWN WORDS 5 WRITE 20 QUESTIONS OF DAILY CONVERSATION WITH THEIR POSSIBLE ANSWERS 6 WRITE 20 PROVERBS IN ENGLISH WITH THEIR HINDI VERSION 7 PICK UP ONE NEWS HEADLINE PER DAY AND ELABORATE THE NEWS IN YOUR OWN WORDS
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Social Science
GEOGRAPHY
CHAPTER - EARTH IN SOLAR SYSTEM
1 How does a planet differ from a star
2 Why Earth is a unique planet
CHAPTER - GLOBE LONGITUDE AND LATITUDE
1 What is the true shape of earth
2 What is a Globe
3 What is three zone of the earth
HISTORY
CHAPTER - WHAT WHERE HOW AND WHEN
1 List one major difference between Manuscripts and Inscriptions
2 Describe at least two ways in which you think the lives of Kings would have been different from
those of farmers
CHAPTER- ON THE TRAIL OF THE EARLIEST PEOPLE
Why did the hunter gatherer travel from the place to placeIn what ways are these similar to and
different from the reasons for which we travel today
CIVICS
UNDERSTANDING DIVERSITY
Draw a list of the different festivals celeberated in your locality Which of these celeberations are shared
by the number of different regions and religions
COMMUNITIES
MAP SKILL
To Fill 5 Indian political map with 29 states and capitals and 8 Union Territories with their Capital
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख |
छातर परततजञा व परारगना ससकत म याद कर |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-English
(1)- Itoutside(rain)
(2)- Ravi to his friends (talk)
(3)- He tennis there (play)
(4)- They noise in the class(always)
(5)-Imy doctor tonight(visit)
(6)-Wethe doctor(close)
(7)-Sita in library(study)
(8)-She sweater for son(knit)
(9)-The planeat fiveO clock (leave)
(10)-Youin the class(always)
(11)-Wefor Mumbai on sunday(leave)
(12)-My class move(run)
(13)-Someone at the door(knock)
(14)-He for you in the office(wait)
(15)-The dog at the gate (bark)
(16)-What are you(do)
(17)-He inltaly at the moment(work)
(18)-That child bigger everyday (get)
(19)-Who is that girl on the table(stand)
(20)- Ifor the shops to open(wait)
FILL IN THE BLANKS WITH APPORPRIATE
SIMPLE PRESENT TENSE FORM OF THE
VERB GIVEN IN THE BRACKETS
1the plane at 630(arrive)
2i will phone you when he back(come)
3unless we now we cant be there on time(start)
4the sun in the last (rise)
5 the next on monday(begin)
6she an engineer(be)
7 they our relatives(be)
8when does the train (depart)
9lets wait till hehis work(finish)
10iyou(like)
COMPLETE THE EXERCISE WITH CONVENINENT PREPOSITIONS-
1 nice meet you
2 dont be lateschool
3are you the new studentportugal
4 are you a teacher this school
5jessica is vacation she is italy now
6 what is this called english
7 lookthe flower
8adams birthday is july
9dont run the classroom
WRITING SECTION
DIARY ENTRIES-
1 You participate in a speech competition and could not perform well write your feelings in your dairy
2 You had memorable time with your friends spending the summer holidays in a beautifull place make a dairy
entry expressing the joy
3 You went to see the IPL match where you favorite team won the match and intered into the semi finals
Write the dairy entry expressing your feeling
4 Your teacher has asked you to record your resolution for the new your Erite a dairy entry in so 50 words
5 Write a dairy entry about a slopless summer night
Paragraph writing -
1 Global warming
2 Heath food vessus junk food in todayrsquo society
3 Laughter is a good medicine
4 Value of decipline
30 page ndash hand wrighting
READING TASKS
Read the following chapter carefully-
1 The rebel
2 Gopal and the hilsa fish
3 Bringing Up and Kasi
a) find the answer of the given question in all these chapter
b) find out the difficult words on your own while reading the chapter and prepare a list of those words and find out there
meaning from the dictionary
c) learn the question answer word meaning of those chapter which leave been done in the class
GRAMMER
RE-ARRANG THE FOLLOWING WORD TO MAKE A MEANING SENTENCE
A) Gothecanonconversationthree minutesfor
B) Disconnectedgetsaftersoontheline
C) Readhardlyhavetotheyanythingbut
D) Is aice creamthattoughbusinessseeling
E) Itrsquos the king coneshotcakessell like that
F) Some friendscustomersfavouredbythere arewhich are nothowever
G) Thestarsskytwinkletheinatnight
H) Reveal universecouldthesizethisof the
I) Twinkilingscientists saythestarsthat of thedistanceindicates
J) Astronomers this allow should to distance measures
USE THE FOLLOWING BLANK OF PREFIXES AND SUFFIXES TO MAKE SOME NEW WORDS
BANK OF SUFFIXES-
(1)- able
(2)-ful
(3)-ly
(4)-al
(5)-ion
Bank of prefixes-
(1) dis-
(2) In-
(3) Re-
(4) il-
(5)pre-
(6)un-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Hindi
१ महाभारत पसतक को पढ़ना (पज एक स पचास)
२ सलख दस पज
३ उपसरग १५ शबद
४ परतयय १५ शबद
५ पयागयवाची १५ शबद परतयक क ३ शबद |
६ अवकाश क ललए परारगना पतर |
७ १५ अरसत
रकषाबधन तनबध
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Maths
INSTRUCTION Revise chp-1(Integers) amp chp-2(Fractions and Decimals
and do the following two assignments
ASSIGNMENT-I
NOTE This assignment is based on the chapter-1 (Integers)
Q1Add the following integers using suitable association
375 + (-476) + (-75) + (-124)
Q2Put appropriate sign in the box lt gt or =
-230+59-60 -390+159+30
Q3The sum of two integers is -29If one of them is 475 find
the other
Q4Write down a pair of integers whose
(I) sum is -3
(II) difference is -5
Q5 Find (I) (-18)times(-5)times(-6)
(II) (-15)times(-14) + (-15)times(-16)
Q6 Divide (I) (-81) by (-9)
(II) (-324) by 18
Q7 Verify a-(-b) = a+b for the values of a=118 and b=125
Q8 (I) Represent the statement in the form of an integer
Rs 1000 deposited in the bank
(II) Write opposite of following as integer
5 km above the sea level
Q9 At Srinagar temperature was -3degC on Monday and then it
Dropped by 5degC on Tuesday What was the temperature of
Srinagar on Tuesday On Wednesday it rose by 4degC What
Was the temperature on this day
Q10 In a class test containing 10 questions 5 marks are
Awarded for every correct answer and -2 marks are
Awarded for every incorrect answer and 0 marks for
Not attempting
Mohit gets four correct and 6 incorrect answers What
Is his score
ASSIGNMENT-2
NOTE This assignment is based on the chapter-2 (Fractions amp
Decimals)
Q1 Find the sum (I) (II)
Q2 Find (I) (II)
Q3 Find (I) (II)
Q4 Divide (I) 6 divide (II)
Q5 Find (I) of 25 (II)
Q6 Write in ascending arrangement
Q7 Find (I) 27 times 4 (II) 23 times 435 (III)563 times 1000 (IV) 12 times 10
Q8 Convert (I) 7394 m to km (II) 30 kg 80 g as kg
Q9 Find the perimeter of rectangular park whose length and
Breadth are m and 34 m respectively
Q10 Find the area of a rectangle whose length is 67 cm and
Breadth is 45 cm
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Science
Q1Draw the diagram of the following
A) Digestive system
B) Different types of teeth
C) Ruminants
D) Amoeba
E) Stomata
F) Life cycle of Silkworm
Q2 Define the following terms by giving one example each
1) Shearing
2) Fleece
3) Scouring
4) Sorting
5) Sericulture
6) Nutrition
7) Nutrients
8) Autotrophic
9) Heterotrophic
10) Photosynthesis
11) Parisitic
12) Insectivorous
13) Stomata
14) Chlorophyll
15) Ingestion
16) Digestion
17) Absorption
18) Pseudopodia
19) Villi
20) Milk teeth
21) Permanent teeth
22) Egestion
Q3Make 10 MCQ lsquoS each from lesson 1 2 3
Q4Why do organisms need to take food
Q5 Distinguish between parasite and saprotroph
Q6Give a brief description of the process of synthesis of food in green plants
Q7What is stomata and what is its function
Q8 What is nutrition
Q9What is villi What is its location and function
Q10 Why cellulose cannot be digested by human beings
Q11Where is bile produced and writes its function
Q12What is the role of acid in stomach
Q13Explain the process of digestion in amoeba
Q14Explain the life cycle of silkworm
Q15Make a working model from topics given below
a) Conservation of energy
b) Health
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Social Science
1 Make a practical file on Components of environment How do changes in environment affect
usHow is the man a modifier of the environment by drawing different pictures related to
topic
2 Make an Assignment -What is the midday meal programme List three benefits of the
programme how do you think this programme might help promote greater equality
3 Learn chapter-on Equality Tracing changes through a thousand years Environment
4 Revise and Write following questions on fair notebook
1 Who were the parties involved in the ldquotripartite strugglerdquo
2 What were the qualifications necessary to become a member of a committee of the sabha in
the Chola Empire
3 Find out more about taxes that are collected at present Are these in cash kind or labour
services
4 What were the two major cities under the control of the Chahamanas
5 How did the Rashtrakutas become powerful
6 What did the new dynasties do to gain acceptance
7 What kind of irrigation works were developed in the Tamil region
8 What were the activities associated with Chola temples
9 What are the different ways through which the government can take steps to provide
healthcare for all
10 What differences do you find between private and public health services in your area
11 lsquoImprovement in water and sanitation can control many diseasesrsquo Explain with the help of
examples
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-English
1 10 PAGE HANDWRITING NEAT AND CLEAN 2 REVISE ALL THE CHAPTERS DONE SO FAR AND COME PREPARED FOR TEST TO BE CONDUCTED IMMEDIATELY AFTER REOPENNG OF SCHOOL 3 WRITE THE STORIES WITH THE FOLLOWING HEADS (a) THE SUN AND THE WIND (b) THE LION AND THE MOUSE (c) THE HEN THAT LAID GOLDEN EGGS (d) A FRIEND IN NEED IN A FRIEND INDEED (e) HARD WORK IS THE KEY OF SUCCESS
LETTER WRITING
- TO THE PRINCIPAL - FOR FIVE DAYS LEAVE GIVING ANY REASON - FOR FEE CONCESSION - CHANGE OF SECTION - REMISSION OF FINE
- INFORMAL LETTER - TO FRIEND INVITING TO BIRTHDAY PARTY - UNCLE THANKING FOR BIRTHDAY GIFT - LETTER TO FATHER GIVING HOME NEWS 4 READ FIRST THREE STORIES OF SUPPLEMENTRY BOOK amp WRITE THE SUMMARY IN YOUR OWN WORDS 5 WRITE 20 QUESTIONS OF DAILY CONVERSATION WITH THEIR POSSIBLE ANSWERS 6 WRITE 20 PROVERBS IN ENGLISH WITH THEIR HINDI VERSION 7 PICK UP ONE NEWS HEADLINE PER DAY AND ELABORATE THE NEWS IN YOUR OWN WORDS
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVI Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख |
छातर परततजञा व परारगना ससकत म याद कर |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-English
(1)- Itoutside(rain)
(2)- Ravi to his friends (talk)
(3)- He tennis there (play)
(4)- They noise in the class(always)
(5)-Imy doctor tonight(visit)
(6)-Wethe doctor(close)
(7)-Sita in library(study)
(8)-She sweater for son(knit)
(9)-The planeat fiveO clock (leave)
(10)-Youin the class(always)
(11)-Wefor Mumbai on sunday(leave)
(12)-My class move(run)
(13)-Someone at the door(knock)
(14)-He for you in the office(wait)
(15)-The dog at the gate (bark)
(16)-What are you(do)
(17)-He inltaly at the moment(work)
(18)-That child bigger everyday (get)
(19)-Who is that girl on the table(stand)
(20)- Ifor the shops to open(wait)
FILL IN THE BLANKS WITH APPORPRIATE
SIMPLE PRESENT TENSE FORM OF THE
VERB GIVEN IN THE BRACKETS
1the plane at 630(arrive)
2i will phone you when he back(come)
3unless we now we cant be there on time(start)
4the sun in the last (rise)
5 the next on monday(begin)
6she an engineer(be)
7 they our relatives(be)
8when does the train (depart)
9lets wait till hehis work(finish)
10iyou(like)
COMPLETE THE EXERCISE WITH CONVENINENT PREPOSITIONS-
1 nice meet you
2 dont be lateschool
3are you the new studentportugal
4 are you a teacher this school
5jessica is vacation she is italy now
6 what is this called english
7 lookthe flower
8adams birthday is july
9dont run the classroom
WRITING SECTION
DIARY ENTRIES-
1 You participate in a speech competition and could not perform well write your feelings in your dairy
2 You had memorable time with your friends spending the summer holidays in a beautifull place make a dairy
entry expressing the joy
3 You went to see the IPL match where you favorite team won the match and intered into the semi finals
Write the dairy entry expressing your feeling
4 Your teacher has asked you to record your resolution for the new your Erite a dairy entry in so 50 words
5 Write a dairy entry about a slopless summer night
Paragraph writing -
1 Global warming
2 Heath food vessus junk food in todayrsquo society
3 Laughter is a good medicine
4 Value of decipline
30 page ndash hand wrighting
READING TASKS
Read the following chapter carefully-
1 The rebel
2 Gopal and the hilsa fish
3 Bringing Up and Kasi
a) find the answer of the given question in all these chapter
b) find out the difficult words on your own while reading the chapter and prepare a list of those words and find out there
meaning from the dictionary
c) learn the question answer word meaning of those chapter which leave been done in the class
GRAMMER
RE-ARRANG THE FOLLOWING WORD TO MAKE A MEANING SENTENCE
A) Gothecanonconversationthree minutesfor
B) Disconnectedgetsaftersoontheline
C) Readhardlyhavetotheyanythingbut
D) Is aice creamthattoughbusinessseeling
E) Itrsquos the king coneshotcakessell like that
F) Some friendscustomersfavouredbythere arewhich are nothowever
G) Thestarsskytwinkletheinatnight
H) Reveal universecouldthesizethisof the
I) Twinkilingscientists saythestarsthat of thedistanceindicates
J) Astronomers this allow should to distance measures
USE THE FOLLOWING BLANK OF PREFIXES AND SUFFIXES TO MAKE SOME NEW WORDS
BANK OF SUFFIXES-
(1)- able
(2)-ful
(3)-ly
(4)-al
(5)-ion
Bank of prefixes-
(1) dis-
(2) In-
(3) Re-
(4) il-
(5)pre-
(6)un-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Hindi
१ महाभारत पसतक को पढ़ना (पज एक स पचास)
२ सलख दस पज
३ उपसरग १५ शबद
४ परतयय १५ शबद
५ पयागयवाची १५ शबद परतयक क ३ शबद |
६ अवकाश क ललए परारगना पतर |
७ १५ अरसत
रकषाबधन तनबध
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Maths
INSTRUCTION Revise chp-1(Integers) amp chp-2(Fractions and Decimals
and do the following two assignments
ASSIGNMENT-I
NOTE This assignment is based on the chapter-1 (Integers)
Q1Add the following integers using suitable association
375 + (-476) + (-75) + (-124)
Q2Put appropriate sign in the box lt gt or =
-230+59-60 -390+159+30
Q3The sum of two integers is -29If one of them is 475 find
the other
Q4Write down a pair of integers whose
(I) sum is -3
(II) difference is -5
Q5 Find (I) (-18)times(-5)times(-6)
(II) (-15)times(-14) + (-15)times(-16)
Q6 Divide (I) (-81) by (-9)
(II) (-324) by 18
Q7 Verify a-(-b) = a+b for the values of a=118 and b=125
Q8 (I) Represent the statement in the form of an integer
Rs 1000 deposited in the bank
(II) Write opposite of following as integer
5 km above the sea level
Q9 At Srinagar temperature was -3degC on Monday and then it
Dropped by 5degC on Tuesday What was the temperature of
Srinagar on Tuesday On Wednesday it rose by 4degC What
Was the temperature on this day
Q10 In a class test containing 10 questions 5 marks are
Awarded for every correct answer and -2 marks are
Awarded for every incorrect answer and 0 marks for
Not attempting
Mohit gets four correct and 6 incorrect answers What
Is his score
ASSIGNMENT-2
NOTE This assignment is based on the chapter-2 (Fractions amp
Decimals)
Q1 Find the sum (I) (II)
Q2 Find (I) (II)
Q3 Find (I) (II)
Q4 Divide (I) 6 divide (II)
Q5 Find (I) of 25 (II)
Q6 Write in ascending arrangement
Q7 Find (I) 27 times 4 (II) 23 times 435 (III)563 times 1000 (IV) 12 times 10
Q8 Convert (I) 7394 m to km (II) 30 kg 80 g as kg
Q9 Find the perimeter of rectangular park whose length and
Breadth are m and 34 m respectively
Q10 Find the area of a rectangle whose length is 67 cm and
Breadth is 45 cm
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Science
Q1Draw the diagram of the following
A) Digestive system
B) Different types of teeth
C) Ruminants
D) Amoeba
E) Stomata
F) Life cycle of Silkworm
Q2 Define the following terms by giving one example each
1) Shearing
2) Fleece
3) Scouring
4) Sorting
5) Sericulture
6) Nutrition
7) Nutrients
8) Autotrophic
9) Heterotrophic
10) Photosynthesis
11) Parisitic
12) Insectivorous
13) Stomata
14) Chlorophyll
15) Ingestion
16) Digestion
17) Absorption
18) Pseudopodia
19) Villi
20) Milk teeth
21) Permanent teeth
22) Egestion
Q3Make 10 MCQ lsquoS each from lesson 1 2 3
Q4Why do organisms need to take food
Q5 Distinguish between parasite and saprotroph
Q6Give a brief description of the process of synthesis of food in green plants
Q7What is stomata and what is its function
Q8 What is nutrition
Q9What is villi What is its location and function
Q10 Why cellulose cannot be digested by human beings
Q11Where is bile produced and writes its function
Q12What is the role of acid in stomach
Q13Explain the process of digestion in amoeba
Q14Explain the life cycle of silkworm
Q15Make a working model from topics given below
a) Conservation of energy
b) Health
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Social Science
1 Make a practical file on Components of environment How do changes in environment affect
usHow is the man a modifier of the environment by drawing different pictures related to
topic
2 Make an Assignment -What is the midday meal programme List three benefits of the
programme how do you think this programme might help promote greater equality
3 Learn chapter-on Equality Tracing changes through a thousand years Environment
4 Revise and Write following questions on fair notebook
1 Who were the parties involved in the ldquotripartite strugglerdquo
2 What were the qualifications necessary to become a member of a committee of the sabha in
the Chola Empire
3 Find out more about taxes that are collected at present Are these in cash kind or labour
services
4 What were the two major cities under the control of the Chahamanas
5 How did the Rashtrakutas become powerful
6 What did the new dynasties do to gain acceptance
7 What kind of irrigation works were developed in the Tamil region
8 What were the activities associated with Chola temples
9 What are the different ways through which the government can take steps to provide
healthcare for all
10 What differences do you find between private and public health services in your area
11 lsquoImprovement in water and sanitation can control many diseasesrsquo Explain with the help of
examples
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-English
1 10 PAGE HANDWRITING NEAT AND CLEAN 2 REVISE ALL THE CHAPTERS DONE SO FAR AND COME PREPARED FOR TEST TO BE CONDUCTED IMMEDIATELY AFTER REOPENNG OF SCHOOL 3 WRITE THE STORIES WITH THE FOLLOWING HEADS (a) THE SUN AND THE WIND (b) THE LION AND THE MOUSE (c) THE HEN THAT LAID GOLDEN EGGS (d) A FRIEND IN NEED IN A FRIEND INDEED (e) HARD WORK IS THE KEY OF SUCCESS
LETTER WRITING
- TO THE PRINCIPAL - FOR FIVE DAYS LEAVE GIVING ANY REASON - FOR FEE CONCESSION - CHANGE OF SECTION - REMISSION OF FINE
- INFORMAL LETTER - TO FRIEND INVITING TO BIRTHDAY PARTY - UNCLE THANKING FOR BIRTHDAY GIFT - LETTER TO FATHER GIVING HOME NEWS 4 READ FIRST THREE STORIES OF SUPPLEMENTRY BOOK amp WRITE THE SUMMARY IN YOUR OWN WORDS 5 WRITE 20 QUESTIONS OF DAILY CONVERSATION WITH THEIR POSSIBLE ANSWERS 6 WRITE 20 PROVERBS IN ENGLISH WITH THEIR HINDI VERSION 7 PICK UP ONE NEWS HEADLINE PER DAY AND ELABORATE THE NEWS IN YOUR OWN WORDS
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-English
(1)- Itoutside(rain)
(2)- Ravi to his friends (talk)
(3)- He tennis there (play)
(4)- They noise in the class(always)
(5)-Imy doctor tonight(visit)
(6)-Wethe doctor(close)
(7)-Sita in library(study)
(8)-She sweater for son(knit)
(9)-The planeat fiveO clock (leave)
(10)-Youin the class(always)
(11)-Wefor Mumbai on sunday(leave)
(12)-My class move(run)
(13)-Someone at the door(knock)
(14)-He for you in the office(wait)
(15)-The dog at the gate (bark)
(16)-What are you(do)
(17)-He inltaly at the moment(work)
(18)-That child bigger everyday (get)
(19)-Who is that girl on the table(stand)
(20)- Ifor the shops to open(wait)
FILL IN THE BLANKS WITH APPORPRIATE
SIMPLE PRESENT TENSE FORM OF THE
VERB GIVEN IN THE BRACKETS
1the plane at 630(arrive)
2i will phone you when he back(come)
3unless we now we cant be there on time(start)
4the sun in the last (rise)
5 the next on monday(begin)
6she an engineer(be)
7 they our relatives(be)
8when does the train (depart)
9lets wait till hehis work(finish)
10iyou(like)
COMPLETE THE EXERCISE WITH CONVENINENT PREPOSITIONS-
1 nice meet you
2 dont be lateschool
3are you the new studentportugal
4 are you a teacher this school
5jessica is vacation she is italy now
6 what is this called english
7 lookthe flower
8adams birthday is july
9dont run the classroom
WRITING SECTION
DIARY ENTRIES-
1 You participate in a speech competition and could not perform well write your feelings in your dairy
2 You had memorable time with your friends spending the summer holidays in a beautifull place make a dairy
entry expressing the joy
3 You went to see the IPL match where you favorite team won the match and intered into the semi finals
Write the dairy entry expressing your feeling
4 Your teacher has asked you to record your resolution for the new your Erite a dairy entry in so 50 words
5 Write a dairy entry about a slopless summer night
Paragraph writing -
1 Global warming
2 Heath food vessus junk food in todayrsquo society
3 Laughter is a good medicine
4 Value of decipline
30 page ndash hand wrighting
READING TASKS
Read the following chapter carefully-
1 The rebel
2 Gopal and the hilsa fish
3 Bringing Up and Kasi
a) find the answer of the given question in all these chapter
b) find out the difficult words on your own while reading the chapter and prepare a list of those words and find out there
meaning from the dictionary
c) learn the question answer word meaning of those chapter which leave been done in the class
GRAMMER
RE-ARRANG THE FOLLOWING WORD TO MAKE A MEANING SENTENCE
A) Gothecanonconversationthree minutesfor
B) Disconnectedgetsaftersoontheline
C) Readhardlyhavetotheyanythingbut
D) Is aice creamthattoughbusinessseeling
E) Itrsquos the king coneshotcakessell like that
F) Some friendscustomersfavouredbythere arewhich are nothowever
G) Thestarsskytwinkletheinatnight
H) Reveal universecouldthesizethisof the
I) Twinkilingscientists saythestarsthat of thedistanceindicates
J) Astronomers this allow should to distance measures
USE THE FOLLOWING BLANK OF PREFIXES AND SUFFIXES TO MAKE SOME NEW WORDS
BANK OF SUFFIXES-
(1)- able
(2)-ful
(3)-ly
(4)-al
(5)-ion
Bank of prefixes-
(1) dis-
(2) In-
(3) Re-
(4) il-
(5)pre-
(6)un-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Hindi
१ महाभारत पसतक को पढ़ना (पज एक स पचास)
२ सलख दस पज
३ उपसरग १५ शबद
४ परतयय १५ शबद
५ पयागयवाची १५ शबद परतयक क ३ शबद |
६ अवकाश क ललए परारगना पतर |
७ १५ अरसत
रकषाबधन तनबध
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Maths
INSTRUCTION Revise chp-1(Integers) amp chp-2(Fractions and Decimals
and do the following two assignments
ASSIGNMENT-I
NOTE This assignment is based on the chapter-1 (Integers)
Q1Add the following integers using suitable association
375 + (-476) + (-75) + (-124)
Q2Put appropriate sign in the box lt gt or =
-230+59-60 -390+159+30
Q3The sum of two integers is -29If one of them is 475 find
the other
Q4Write down a pair of integers whose
(I) sum is -3
(II) difference is -5
Q5 Find (I) (-18)times(-5)times(-6)
(II) (-15)times(-14) + (-15)times(-16)
Q6 Divide (I) (-81) by (-9)
(II) (-324) by 18
Q7 Verify a-(-b) = a+b for the values of a=118 and b=125
Q8 (I) Represent the statement in the form of an integer
Rs 1000 deposited in the bank
(II) Write opposite of following as integer
5 km above the sea level
Q9 At Srinagar temperature was -3degC on Monday and then it
Dropped by 5degC on Tuesday What was the temperature of
Srinagar on Tuesday On Wednesday it rose by 4degC What
Was the temperature on this day
Q10 In a class test containing 10 questions 5 marks are
Awarded for every correct answer and -2 marks are
Awarded for every incorrect answer and 0 marks for
Not attempting
Mohit gets four correct and 6 incorrect answers What
Is his score
ASSIGNMENT-2
NOTE This assignment is based on the chapter-2 (Fractions amp
Decimals)
Q1 Find the sum (I) (II)
Q2 Find (I) (II)
Q3 Find (I) (II)
Q4 Divide (I) 6 divide (II)
Q5 Find (I) of 25 (II)
Q6 Write in ascending arrangement
Q7 Find (I) 27 times 4 (II) 23 times 435 (III)563 times 1000 (IV) 12 times 10
Q8 Convert (I) 7394 m to km (II) 30 kg 80 g as kg
Q9 Find the perimeter of rectangular park whose length and
Breadth are m and 34 m respectively
Q10 Find the area of a rectangle whose length is 67 cm and
Breadth is 45 cm
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Science
Q1Draw the diagram of the following
A) Digestive system
B) Different types of teeth
C) Ruminants
D) Amoeba
E) Stomata
F) Life cycle of Silkworm
Q2 Define the following terms by giving one example each
1) Shearing
2) Fleece
3) Scouring
4) Sorting
5) Sericulture
6) Nutrition
7) Nutrients
8) Autotrophic
9) Heterotrophic
10) Photosynthesis
11) Parisitic
12) Insectivorous
13) Stomata
14) Chlorophyll
15) Ingestion
16) Digestion
17) Absorption
18) Pseudopodia
19) Villi
20) Milk teeth
21) Permanent teeth
22) Egestion
Q3Make 10 MCQ lsquoS each from lesson 1 2 3
Q4Why do organisms need to take food
Q5 Distinguish between parasite and saprotroph
Q6Give a brief description of the process of synthesis of food in green plants
Q7What is stomata and what is its function
Q8 What is nutrition
Q9What is villi What is its location and function
Q10 Why cellulose cannot be digested by human beings
Q11Where is bile produced and writes its function
Q12What is the role of acid in stomach
Q13Explain the process of digestion in amoeba
Q14Explain the life cycle of silkworm
Q15Make a working model from topics given below
a) Conservation of energy
b) Health
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Social Science
1 Make a practical file on Components of environment How do changes in environment affect
usHow is the man a modifier of the environment by drawing different pictures related to
topic
2 Make an Assignment -What is the midday meal programme List three benefits of the
programme how do you think this programme might help promote greater equality
3 Learn chapter-on Equality Tracing changes through a thousand years Environment
4 Revise and Write following questions on fair notebook
1 Who were the parties involved in the ldquotripartite strugglerdquo
2 What were the qualifications necessary to become a member of a committee of the sabha in
the Chola Empire
3 Find out more about taxes that are collected at present Are these in cash kind or labour
services
4 What were the two major cities under the control of the Chahamanas
5 How did the Rashtrakutas become powerful
6 What did the new dynasties do to gain acceptance
7 What kind of irrigation works were developed in the Tamil region
8 What were the activities associated with Chola temples
9 What are the different ways through which the government can take steps to provide
healthcare for all
10 What differences do you find between private and public health services in your area
11 lsquoImprovement in water and sanitation can control many diseasesrsquo Explain with the help of
examples
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-English
1 10 PAGE HANDWRITING NEAT AND CLEAN 2 REVISE ALL THE CHAPTERS DONE SO FAR AND COME PREPARED FOR TEST TO BE CONDUCTED IMMEDIATELY AFTER REOPENNG OF SCHOOL 3 WRITE THE STORIES WITH THE FOLLOWING HEADS (a) THE SUN AND THE WIND (b) THE LION AND THE MOUSE (c) THE HEN THAT LAID GOLDEN EGGS (d) A FRIEND IN NEED IN A FRIEND INDEED (e) HARD WORK IS THE KEY OF SUCCESS
LETTER WRITING
- TO THE PRINCIPAL - FOR FIVE DAYS LEAVE GIVING ANY REASON - FOR FEE CONCESSION - CHANGE OF SECTION - REMISSION OF FINE
- INFORMAL LETTER - TO FRIEND INVITING TO BIRTHDAY PARTY - UNCLE THANKING FOR BIRTHDAY GIFT - LETTER TO FATHER GIVING HOME NEWS 4 READ FIRST THREE STORIES OF SUPPLEMENTRY BOOK amp WRITE THE SUMMARY IN YOUR OWN WORDS 5 WRITE 20 QUESTIONS OF DAILY CONVERSATION WITH THEIR POSSIBLE ANSWERS 6 WRITE 20 PROVERBS IN ENGLISH WITH THEIR HINDI VERSION 7 PICK UP ONE NEWS HEADLINE PER DAY AND ELABORATE THE NEWS IN YOUR OWN WORDS
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
VERB GIVEN IN THE BRACKETS
1the plane at 630(arrive)
2i will phone you when he back(come)
3unless we now we cant be there on time(start)
4the sun in the last (rise)
5 the next on monday(begin)
6she an engineer(be)
7 they our relatives(be)
8when does the train (depart)
9lets wait till hehis work(finish)
10iyou(like)
COMPLETE THE EXERCISE WITH CONVENINENT PREPOSITIONS-
1 nice meet you
2 dont be lateschool
3are you the new studentportugal
4 are you a teacher this school
5jessica is vacation she is italy now
6 what is this called english
7 lookthe flower
8adams birthday is july
9dont run the classroom
WRITING SECTION
DIARY ENTRIES-
1 You participate in a speech competition and could not perform well write your feelings in your dairy
2 You had memorable time with your friends spending the summer holidays in a beautifull place make a dairy
entry expressing the joy
3 You went to see the IPL match where you favorite team won the match and intered into the semi finals
Write the dairy entry expressing your feeling
4 Your teacher has asked you to record your resolution for the new your Erite a dairy entry in so 50 words
5 Write a dairy entry about a slopless summer night
Paragraph writing -
1 Global warming
2 Heath food vessus junk food in todayrsquo society
3 Laughter is a good medicine
4 Value of decipline
30 page ndash hand wrighting
READING TASKS
Read the following chapter carefully-
1 The rebel
2 Gopal and the hilsa fish
3 Bringing Up and Kasi
a) find the answer of the given question in all these chapter
b) find out the difficult words on your own while reading the chapter and prepare a list of those words and find out there
meaning from the dictionary
c) learn the question answer word meaning of those chapter which leave been done in the class
GRAMMER
RE-ARRANG THE FOLLOWING WORD TO MAKE A MEANING SENTENCE
A) Gothecanonconversationthree minutesfor
B) Disconnectedgetsaftersoontheline
C) Readhardlyhavetotheyanythingbut
D) Is aice creamthattoughbusinessseeling
E) Itrsquos the king coneshotcakessell like that
F) Some friendscustomersfavouredbythere arewhich are nothowever
G) Thestarsskytwinkletheinatnight
H) Reveal universecouldthesizethisof the
I) Twinkilingscientists saythestarsthat of thedistanceindicates
J) Astronomers this allow should to distance measures
USE THE FOLLOWING BLANK OF PREFIXES AND SUFFIXES TO MAKE SOME NEW WORDS
BANK OF SUFFIXES-
(1)- able
(2)-ful
(3)-ly
(4)-al
(5)-ion
Bank of prefixes-
(1) dis-
(2) In-
(3) Re-
(4) il-
(5)pre-
(6)un-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Hindi
१ महाभारत पसतक को पढ़ना (पज एक स पचास)
२ सलख दस पज
३ उपसरग १५ शबद
४ परतयय १५ शबद
५ पयागयवाची १५ शबद परतयक क ३ शबद |
६ अवकाश क ललए परारगना पतर |
७ १५ अरसत
रकषाबधन तनबध
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Maths
INSTRUCTION Revise chp-1(Integers) amp chp-2(Fractions and Decimals
and do the following two assignments
ASSIGNMENT-I
NOTE This assignment is based on the chapter-1 (Integers)
Q1Add the following integers using suitable association
375 + (-476) + (-75) + (-124)
Q2Put appropriate sign in the box lt gt or =
-230+59-60 -390+159+30
Q3The sum of two integers is -29If one of them is 475 find
the other
Q4Write down a pair of integers whose
(I) sum is -3
(II) difference is -5
Q5 Find (I) (-18)times(-5)times(-6)
(II) (-15)times(-14) + (-15)times(-16)
Q6 Divide (I) (-81) by (-9)
(II) (-324) by 18
Q7 Verify a-(-b) = a+b for the values of a=118 and b=125
Q8 (I) Represent the statement in the form of an integer
Rs 1000 deposited in the bank
(II) Write opposite of following as integer
5 km above the sea level
Q9 At Srinagar temperature was -3degC on Monday and then it
Dropped by 5degC on Tuesday What was the temperature of
Srinagar on Tuesday On Wednesday it rose by 4degC What
Was the temperature on this day
Q10 In a class test containing 10 questions 5 marks are
Awarded for every correct answer and -2 marks are
Awarded for every incorrect answer and 0 marks for
Not attempting
Mohit gets four correct and 6 incorrect answers What
Is his score
ASSIGNMENT-2
NOTE This assignment is based on the chapter-2 (Fractions amp
Decimals)
Q1 Find the sum (I) (II)
Q2 Find (I) (II)
Q3 Find (I) (II)
Q4 Divide (I) 6 divide (II)
Q5 Find (I) of 25 (II)
Q6 Write in ascending arrangement
Q7 Find (I) 27 times 4 (II) 23 times 435 (III)563 times 1000 (IV) 12 times 10
Q8 Convert (I) 7394 m to km (II) 30 kg 80 g as kg
Q9 Find the perimeter of rectangular park whose length and
Breadth are m and 34 m respectively
Q10 Find the area of a rectangle whose length is 67 cm and
Breadth is 45 cm
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Science
Q1Draw the diagram of the following
A) Digestive system
B) Different types of teeth
C) Ruminants
D) Amoeba
E) Stomata
F) Life cycle of Silkworm
Q2 Define the following terms by giving one example each
1) Shearing
2) Fleece
3) Scouring
4) Sorting
5) Sericulture
6) Nutrition
7) Nutrients
8) Autotrophic
9) Heterotrophic
10) Photosynthesis
11) Parisitic
12) Insectivorous
13) Stomata
14) Chlorophyll
15) Ingestion
16) Digestion
17) Absorption
18) Pseudopodia
19) Villi
20) Milk teeth
21) Permanent teeth
22) Egestion
Q3Make 10 MCQ lsquoS each from lesson 1 2 3
Q4Why do organisms need to take food
Q5 Distinguish between parasite and saprotroph
Q6Give a brief description of the process of synthesis of food in green plants
Q7What is stomata and what is its function
Q8 What is nutrition
Q9What is villi What is its location and function
Q10 Why cellulose cannot be digested by human beings
Q11Where is bile produced and writes its function
Q12What is the role of acid in stomach
Q13Explain the process of digestion in amoeba
Q14Explain the life cycle of silkworm
Q15Make a working model from topics given below
a) Conservation of energy
b) Health
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Social Science
1 Make a practical file on Components of environment How do changes in environment affect
usHow is the man a modifier of the environment by drawing different pictures related to
topic
2 Make an Assignment -What is the midday meal programme List three benefits of the
programme how do you think this programme might help promote greater equality
3 Learn chapter-on Equality Tracing changes through a thousand years Environment
4 Revise and Write following questions on fair notebook
1 Who were the parties involved in the ldquotripartite strugglerdquo
2 What were the qualifications necessary to become a member of a committee of the sabha in
the Chola Empire
3 Find out more about taxes that are collected at present Are these in cash kind or labour
services
4 What were the two major cities under the control of the Chahamanas
5 How did the Rashtrakutas become powerful
6 What did the new dynasties do to gain acceptance
7 What kind of irrigation works were developed in the Tamil region
8 What were the activities associated with Chola temples
9 What are the different ways through which the government can take steps to provide
healthcare for all
10 What differences do you find between private and public health services in your area
11 lsquoImprovement in water and sanitation can control many diseasesrsquo Explain with the help of
examples
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-English
1 10 PAGE HANDWRITING NEAT AND CLEAN 2 REVISE ALL THE CHAPTERS DONE SO FAR AND COME PREPARED FOR TEST TO BE CONDUCTED IMMEDIATELY AFTER REOPENNG OF SCHOOL 3 WRITE THE STORIES WITH THE FOLLOWING HEADS (a) THE SUN AND THE WIND (b) THE LION AND THE MOUSE (c) THE HEN THAT LAID GOLDEN EGGS (d) A FRIEND IN NEED IN A FRIEND INDEED (e) HARD WORK IS THE KEY OF SUCCESS
LETTER WRITING
- TO THE PRINCIPAL - FOR FIVE DAYS LEAVE GIVING ANY REASON - FOR FEE CONCESSION - CHANGE OF SECTION - REMISSION OF FINE
- INFORMAL LETTER - TO FRIEND INVITING TO BIRTHDAY PARTY - UNCLE THANKING FOR BIRTHDAY GIFT - LETTER TO FATHER GIVING HOME NEWS 4 READ FIRST THREE STORIES OF SUPPLEMENTRY BOOK amp WRITE THE SUMMARY IN YOUR OWN WORDS 5 WRITE 20 QUESTIONS OF DAILY CONVERSATION WITH THEIR POSSIBLE ANSWERS 6 WRITE 20 PROVERBS IN ENGLISH WITH THEIR HINDI VERSION 7 PICK UP ONE NEWS HEADLINE PER DAY AND ELABORATE THE NEWS IN YOUR OWN WORDS
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
5 Write a dairy entry about a slopless summer night
Paragraph writing -
1 Global warming
2 Heath food vessus junk food in todayrsquo society
3 Laughter is a good medicine
4 Value of decipline
30 page ndash hand wrighting
READING TASKS
Read the following chapter carefully-
1 The rebel
2 Gopal and the hilsa fish
3 Bringing Up and Kasi
a) find the answer of the given question in all these chapter
b) find out the difficult words on your own while reading the chapter and prepare a list of those words and find out there
meaning from the dictionary
c) learn the question answer word meaning of those chapter which leave been done in the class
GRAMMER
RE-ARRANG THE FOLLOWING WORD TO MAKE A MEANING SENTENCE
A) Gothecanonconversationthree minutesfor
B) Disconnectedgetsaftersoontheline
C) Readhardlyhavetotheyanythingbut
D) Is aice creamthattoughbusinessseeling
E) Itrsquos the king coneshotcakessell like that
F) Some friendscustomersfavouredbythere arewhich are nothowever
G) Thestarsskytwinkletheinatnight
H) Reveal universecouldthesizethisof the
I) Twinkilingscientists saythestarsthat of thedistanceindicates
J) Astronomers this allow should to distance measures
USE THE FOLLOWING BLANK OF PREFIXES AND SUFFIXES TO MAKE SOME NEW WORDS
BANK OF SUFFIXES-
(1)- able
(2)-ful
(3)-ly
(4)-al
(5)-ion
Bank of prefixes-
(1) dis-
(2) In-
(3) Re-
(4) il-
(5)pre-
(6)un-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Hindi
१ महाभारत पसतक को पढ़ना (पज एक स पचास)
२ सलख दस पज
३ उपसरग १५ शबद
४ परतयय १५ शबद
५ पयागयवाची १५ शबद परतयक क ३ शबद |
६ अवकाश क ललए परारगना पतर |
७ १५ अरसत
रकषाबधन तनबध
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Maths
INSTRUCTION Revise chp-1(Integers) amp chp-2(Fractions and Decimals
and do the following two assignments
ASSIGNMENT-I
NOTE This assignment is based on the chapter-1 (Integers)
Q1Add the following integers using suitable association
375 + (-476) + (-75) + (-124)
Q2Put appropriate sign in the box lt gt or =
-230+59-60 -390+159+30
Q3The sum of two integers is -29If one of them is 475 find
the other
Q4Write down a pair of integers whose
(I) sum is -3
(II) difference is -5
Q5 Find (I) (-18)times(-5)times(-6)
(II) (-15)times(-14) + (-15)times(-16)
Q6 Divide (I) (-81) by (-9)
(II) (-324) by 18
Q7 Verify a-(-b) = a+b for the values of a=118 and b=125
Q8 (I) Represent the statement in the form of an integer
Rs 1000 deposited in the bank
(II) Write opposite of following as integer
5 km above the sea level
Q9 At Srinagar temperature was -3degC on Monday and then it
Dropped by 5degC on Tuesday What was the temperature of
Srinagar on Tuesday On Wednesday it rose by 4degC What
Was the temperature on this day
Q10 In a class test containing 10 questions 5 marks are
Awarded for every correct answer and -2 marks are
Awarded for every incorrect answer and 0 marks for
Not attempting
Mohit gets four correct and 6 incorrect answers What
Is his score
ASSIGNMENT-2
NOTE This assignment is based on the chapter-2 (Fractions amp
Decimals)
Q1 Find the sum (I) (II)
Q2 Find (I) (II)
Q3 Find (I) (II)
Q4 Divide (I) 6 divide (II)
Q5 Find (I) of 25 (II)
Q6 Write in ascending arrangement
Q7 Find (I) 27 times 4 (II) 23 times 435 (III)563 times 1000 (IV) 12 times 10
Q8 Convert (I) 7394 m to km (II) 30 kg 80 g as kg
Q9 Find the perimeter of rectangular park whose length and
Breadth are m and 34 m respectively
Q10 Find the area of a rectangle whose length is 67 cm and
Breadth is 45 cm
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Science
Q1Draw the diagram of the following
A) Digestive system
B) Different types of teeth
C) Ruminants
D) Amoeba
E) Stomata
F) Life cycle of Silkworm
Q2 Define the following terms by giving one example each
1) Shearing
2) Fleece
3) Scouring
4) Sorting
5) Sericulture
6) Nutrition
7) Nutrients
8) Autotrophic
9) Heterotrophic
10) Photosynthesis
11) Parisitic
12) Insectivorous
13) Stomata
14) Chlorophyll
15) Ingestion
16) Digestion
17) Absorption
18) Pseudopodia
19) Villi
20) Milk teeth
21) Permanent teeth
22) Egestion
Q3Make 10 MCQ lsquoS each from lesson 1 2 3
Q4Why do organisms need to take food
Q5 Distinguish between parasite and saprotroph
Q6Give a brief description of the process of synthesis of food in green plants
Q7What is stomata and what is its function
Q8 What is nutrition
Q9What is villi What is its location and function
Q10 Why cellulose cannot be digested by human beings
Q11Where is bile produced and writes its function
Q12What is the role of acid in stomach
Q13Explain the process of digestion in amoeba
Q14Explain the life cycle of silkworm
Q15Make a working model from topics given below
a) Conservation of energy
b) Health
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Social Science
1 Make a practical file on Components of environment How do changes in environment affect
usHow is the man a modifier of the environment by drawing different pictures related to
topic
2 Make an Assignment -What is the midday meal programme List three benefits of the
programme how do you think this programme might help promote greater equality
3 Learn chapter-on Equality Tracing changes through a thousand years Environment
4 Revise and Write following questions on fair notebook
1 Who were the parties involved in the ldquotripartite strugglerdquo
2 What were the qualifications necessary to become a member of a committee of the sabha in
the Chola Empire
3 Find out more about taxes that are collected at present Are these in cash kind or labour
services
4 What were the two major cities under the control of the Chahamanas
5 How did the Rashtrakutas become powerful
6 What did the new dynasties do to gain acceptance
7 What kind of irrigation works were developed in the Tamil region
8 What were the activities associated with Chola temples
9 What are the different ways through which the government can take steps to provide
healthcare for all
10 What differences do you find between private and public health services in your area
11 lsquoImprovement in water and sanitation can control many diseasesrsquo Explain with the help of
examples
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-English
1 10 PAGE HANDWRITING NEAT AND CLEAN 2 REVISE ALL THE CHAPTERS DONE SO FAR AND COME PREPARED FOR TEST TO BE CONDUCTED IMMEDIATELY AFTER REOPENNG OF SCHOOL 3 WRITE THE STORIES WITH THE FOLLOWING HEADS (a) THE SUN AND THE WIND (b) THE LION AND THE MOUSE (c) THE HEN THAT LAID GOLDEN EGGS (d) A FRIEND IN NEED IN A FRIEND INDEED (e) HARD WORK IS THE KEY OF SUCCESS
LETTER WRITING
- TO THE PRINCIPAL - FOR FIVE DAYS LEAVE GIVING ANY REASON - FOR FEE CONCESSION - CHANGE OF SECTION - REMISSION OF FINE
- INFORMAL LETTER - TO FRIEND INVITING TO BIRTHDAY PARTY - UNCLE THANKING FOR BIRTHDAY GIFT - LETTER TO FATHER GIVING HOME NEWS 4 READ FIRST THREE STORIES OF SUPPLEMENTRY BOOK amp WRITE THE SUMMARY IN YOUR OWN WORDS 5 WRITE 20 QUESTIONS OF DAILY CONVERSATION WITH THEIR POSSIBLE ANSWERS 6 WRITE 20 PROVERBS IN ENGLISH WITH THEIR HINDI VERSION 7 PICK UP ONE NEWS HEADLINE PER DAY AND ELABORATE THE NEWS IN YOUR OWN WORDS
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
E) Itrsquos the king coneshotcakessell like that
F) Some friendscustomersfavouredbythere arewhich are nothowever
G) Thestarsskytwinkletheinatnight
H) Reveal universecouldthesizethisof the
I) Twinkilingscientists saythestarsthat of thedistanceindicates
J) Astronomers this allow should to distance measures
USE THE FOLLOWING BLANK OF PREFIXES AND SUFFIXES TO MAKE SOME NEW WORDS
BANK OF SUFFIXES-
(1)- able
(2)-ful
(3)-ly
(4)-al
(5)-ion
Bank of prefixes-
(1) dis-
(2) In-
(3) Re-
(4) il-
(5)pre-
(6)un-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Hindi
१ महाभारत पसतक को पढ़ना (पज एक स पचास)
२ सलख दस पज
३ उपसरग १५ शबद
४ परतयय १५ शबद
५ पयागयवाची १५ शबद परतयक क ३ शबद |
६ अवकाश क ललए परारगना पतर |
७ १५ अरसत
रकषाबधन तनबध
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Maths
INSTRUCTION Revise chp-1(Integers) amp chp-2(Fractions and Decimals
and do the following two assignments
ASSIGNMENT-I
NOTE This assignment is based on the chapter-1 (Integers)
Q1Add the following integers using suitable association
375 + (-476) + (-75) + (-124)
Q2Put appropriate sign in the box lt gt or =
-230+59-60 -390+159+30
Q3The sum of two integers is -29If one of them is 475 find
the other
Q4Write down a pair of integers whose
(I) sum is -3
(II) difference is -5
Q5 Find (I) (-18)times(-5)times(-6)
(II) (-15)times(-14) + (-15)times(-16)
Q6 Divide (I) (-81) by (-9)
(II) (-324) by 18
Q7 Verify a-(-b) = a+b for the values of a=118 and b=125
Q8 (I) Represent the statement in the form of an integer
Rs 1000 deposited in the bank
(II) Write opposite of following as integer
5 km above the sea level
Q9 At Srinagar temperature was -3degC on Monday and then it
Dropped by 5degC on Tuesday What was the temperature of
Srinagar on Tuesday On Wednesday it rose by 4degC What
Was the temperature on this day
Q10 In a class test containing 10 questions 5 marks are
Awarded for every correct answer and -2 marks are
Awarded for every incorrect answer and 0 marks for
Not attempting
Mohit gets four correct and 6 incorrect answers What
Is his score
ASSIGNMENT-2
NOTE This assignment is based on the chapter-2 (Fractions amp
Decimals)
Q1 Find the sum (I) (II)
Q2 Find (I) (II)
Q3 Find (I) (II)
Q4 Divide (I) 6 divide (II)
Q5 Find (I) of 25 (II)
Q6 Write in ascending arrangement
Q7 Find (I) 27 times 4 (II) 23 times 435 (III)563 times 1000 (IV) 12 times 10
Q8 Convert (I) 7394 m to km (II) 30 kg 80 g as kg
Q9 Find the perimeter of rectangular park whose length and
Breadth are m and 34 m respectively
Q10 Find the area of a rectangle whose length is 67 cm and
Breadth is 45 cm
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Science
Q1Draw the diagram of the following
A) Digestive system
B) Different types of teeth
C) Ruminants
D) Amoeba
E) Stomata
F) Life cycle of Silkworm
Q2 Define the following terms by giving one example each
1) Shearing
2) Fleece
3) Scouring
4) Sorting
5) Sericulture
6) Nutrition
7) Nutrients
8) Autotrophic
9) Heterotrophic
10) Photosynthesis
11) Parisitic
12) Insectivorous
13) Stomata
14) Chlorophyll
15) Ingestion
16) Digestion
17) Absorption
18) Pseudopodia
19) Villi
20) Milk teeth
21) Permanent teeth
22) Egestion
Q3Make 10 MCQ lsquoS each from lesson 1 2 3
Q4Why do organisms need to take food
Q5 Distinguish between parasite and saprotroph
Q6Give a brief description of the process of synthesis of food in green plants
Q7What is stomata and what is its function
Q8 What is nutrition
Q9What is villi What is its location and function
Q10 Why cellulose cannot be digested by human beings
Q11Where is bile produced and writes its function
Q12What is the role of acid in stomach
Q13Explain the process of digestion in amoeba
Q14Explain the life cycle of silkworm
Q15Make a working model from topics given below
a) Conservation of energy
b) Health
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Social Science
1 Make a practical file on Components of environment How do changes in environment affect
usHow is the man a modifier of the environment by drawing different pictures related to
topic
2 Make an Assignment -What is the midday meal programme List three benefits of the
programme how do you think this programme might help promote greater equality
3 Learn chapter-on Equality Tracing changes through a thousand years Environment
4 Revise and Write following questions on fair notebook
1 Who were the parties involved in the ldquotripartite strugglerdquo
2 What were the qualifications necessary to become a member of a committee of the sabha in
the Chola Empire
3 Find out more about taxes that are collected at present Are these in cash kind or labour
services
4 What were the two major cities under the control of the Chahamanas
5 How did the Rashtrakutas become powerful
6 What did the new dynasties do to gain acceptance
7 What kind of irrigation works were developed in the Tamil region
8 What were the activities associated with Chola temples
9 What are the different ways through which the government can take steps to provide
healthcare for all
10 What differences do you find between private and public health services in your area
11 lsquoImprovement in water and sanitation can control many diseasesrsquo Explain with the help of
examples
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-English
1 10 PAGE HANDWRITING NEAT AND CLEAN 2 REVISE ALL THE CHAPTERS DONE SO FAR AND COME PREPARED FOR TEST TO BE CONDUCTED IMMEDIATELY AFTER REOPENNG OF SCHOOL 3 WRITE THE STORIES WITH THE FOLLOWING HEADS (a) THE SUN AND THE WIND (b) THE LION AND THE MOUSE (c) THE HEN THAT LAID GOLDEN EGGS (d) A FRIEND IN NEED IN A FRIEND INDEED (e) HARD WORK IS THE KEY OF SUCCESS
LETTER WRITING
- TO THE PRINCIPAL - FOR FIVE DAYS LEAVE GIVING ANY REASON - FOR FEE CONCESSION - CHANGE OF SECTION - REMISSION OF FINE
- INFORMAL LETTER - TO FRIEND INVITING TO BIRTHDAY PARTY - UNCLE THANKING FOR BIRTHDAY GIFT - LETTER TO FATHER GIVING HOME NEWS 4 READ FIRST THREE STORIES OF SUPPLEMENTRY BOOK amp WRITE THE SUMMARY IN YOUR OWN WORDS 5 WRITE 20 QUESTIONS OF DAILY CONVERSATION WITH THEIR POSSIBLE ANSWERS 6 WRITE 20 PROVERBS IN ENGLISH WITH THEIR HINDI VERSION 7 PICK UP ONE NEWS HEADLINE PER DAY AND ELABORATE THE NEWS IN YOUR OWN WORDS
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Hindi
१ महाभारत पसतक को पढ़ना (पज एक स पचास)
२ सलख दस पज
३ उपसरग १५ शबद
४ परतयय १५ शबद
५ पयागयवाची १५ शबद परतयक क ३ शबद |
६ अवकाश क ललए परारगना पतर |
७ १५ अरसत
रकषाबधन तनबध
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Maths
INSTRUCTION Revise chp-1(Integers) amp chp-2(Fractions and Decimals
and do the following two assignments
ASSIGNMENT-I
NOTE This assignment is based on the chapter-1 (Integers)
Q1Add the following integers using suitable association
375 + (-476) + (-75) + (-124)
Q2Put appropriate sign in the box lt gt or =
-230+59-60 -390+159+30
Q3The sum of two integers is -29If one of them is 475 find
the other
Q4Write down a pair of integers whose
(I) sum is -3
(II) difference is -5
Q5 Find (I) (-18)times(-5)times(-6)
(II) (-15)times(-14) + (-15)times(-16)
Q6 Divide (I) (-81) by (-9)
(II) (-324) by 18
Q7 Verify a-(-b) = a+b for the values of a=118 and b=125
Q8 (I) Represent the statement in the form of an integer
Rs 1000 deposited in the bank
(II) Write opposite of following as integer
5 km above the sea level
Q9 At Srinagar temperature was -3degC on Monday and then it
Dropped by 5degC on Tuesday What was the temperature of
Srinagar on Tuesday On Wednesday it rose by 4degC What
Was the temperature on this day
Q10 In a class test containing 10 questions 5 marks are
Awarded for every correct answer and -2 marks are
Awarded for every incorrect answer and 0 marks for
Not attempting
Mohit gets four correct and 6 incorrect answers What
Is his score
ASSIGNMENT-2
NOTE This assignment is based on the chapter-2 (Fractions amp
Decimals)
Q1 Find the sum (I) (II)
Q2 Find (I) (II)
Q3 Find (I) (II)
Q4 Divide (I) 6 divide (II)
Q5 Find (I) of 25 (II)
Q6 Write in ascending arrangement
Q7 Find (I) 27 times 4 (II) 23 times 435 (III)563 times 1000 (IV) 12 times 10
Q8 Convert (I) 7394 m to km (II) 30 kg 80 g as kg
Q9 Find the perimeter of rectangular park whose length and
Breadth are m and 34 m respectively
Q10 Find the area of a rectangle whose length is 67 cm and
Breadth is 45 cm
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Science
Q1Draw the diagram of the following
A) Digestive system
B) Different types of teeth
C) Ruminants
D) Amoeba
E) Stomata
F) Life cycle of Silkworm
Q2 Define the following terms by giving one example each
1) Shearing
2) Fleece
3) Scouring
4) Sorting
5) Sericulture
6) Nutrition
7) Nutrients
8) Autotrophic
9) Heterotrophic
10) Photosynthesis
11) Parisitic
12) Insectivorous
13) Stomata
14) Chlorophyll
15) Ingestion
16) Digestion
17) Absorption
18) Pseudopodia
19) Villi
20) Milk teeth
21) Permanent teeth
22) Egestion
Q3Make 10 MCQ lsquoS each from lesson 1 2 3
Q4Why do organisms need to take food
Q5 Distinguish between parasite and saprotroph
Q6Give a brief description of the process of synthesis of food in green plants
Q7What is stomata and what is its function
Q8 What is nutrition
Q9What is villi What is its location and function
Q10 Why cellulose cannot be digested by human beings
Q11Where is bile produced and writes its function
Q12What is the role of acid in stomach
Q13Explain the process of digestion in amoeba
Q14Explain the life cycle of silkworm
Q15Make a working model from topics given below
a) Conservation of energy
b) Health
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Social Science
1 Make a practical file on Components of environment How do changes in environment affect
usHow is the man a modifier of the environment by drawing different pictures related to
topic
2 Make an Assignment -What is the midday meal programme List three benefits of the
programme how do you think this programme might help promote greater equality
3 Learn chapter-on Equality Tracing changes through a thousand years Environment
4 Revise and Write following questions on fair notebook
1 Who were the parties involved in the ldquotripartite strugglerdquo
2 What were the qualifications necessary to become a member of a committee of the sabha in
the Chola Empire
3 Find out more about taxes that are collected at present Are these in cash kind or labour
services
4 What were the two major cities under the control of the Chahamanas
5 How did the Rashtrakutas become powerful
6 What did the new dynasties do to gain acceptance
7 What kind of irrigation works were developed in the Tamil region
8 What were the activities associated with Chola temples
9 What are the different ways through which the government can take steps to provide
healthcare for all
10 What differences do you find between private and public health services in your area
11 lsquoImprovement in water and sanitation can control many diseasesrsquo Explain with the help of
examples
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-English
1 10 PAGE HANDWRITING NEAT AND CLEAN 2 REVISE ALL THE CHAPTERS DONE SO FAR AND COME PREPARED FOR TEST TO BE CONDUCTED IMMEDIATELY AFTER REOPENNG OF SCHOOL 3 WRITE THE STORIES WITH THE FOLLOWING HEADS (a) THE SUN AND THE WIND (b) THE LION AND THE MOUSE (c) THE HEN THAT LAID GOLDEN EGGS (d) A FRIEND IN NEED IN A FRIEND INDEED (e) HARD WORK IS THE KEY OF SUCCESS
LETTER WRITING
- TO THE PRINCIPAL - FOR FIVE DAYS LEAVE GIVING ANY REASON - FOR FEE CONCESSION - CHANGE OF SECTION - REMISSION OF FINE
- INFORMAL LETTER - TO FRIEND INVITING TO BIRTHDAY PARTY - UNCLE THANKING FOR BIRTHDAY GIFT - LETTER TO FATHER GIVING HOME NEWS 4 READ FIRST THREE STORIES OF SUPPLEMENTRY BOOK amp WRITE THE SUMMARY IN YOUR OWN WORDS 5 WRITE 20 QUESTIONS OF DAILY CONVERSATION WITH THEIR POSSIBLE ANSWERS 6 WRITE 20 PROVERBS IN ENGLISH WITH THEIR HINDI VERSION 7 PICK UP ONE NEWS HEADLINE PER DAY AND ELABORATE THE NEWS IN YOUR OWN WORDS
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Maths
INSTRUCTION Revise chp-1(Integers) amp chp-2(Fractions and Decimals
and do the following two assignments
ASSIGNMENT-I
NOTE This assignment is based on the chapter-1 (Integers)
Q1Add the following integers using suitable association
375 + (-476) + (-75) + (-124)
Q2Put appropriate sign in the box lt gt or =
-230+59-60 -390+159+30
Q3The sum of two integers is -29If one of them is 475 find
the other
Q4Write down a pair of integers whose
(I) sum is -3
(II) difference is -5
Q5 Find (I) (-18)times(-5)times(-6)
(II) (-15)times(-14) + (-15)times(-16)
Q6 Divide (I) (-81) by (-9)
(II) (-324) by 18
Q7 Verify a-(-b) = a+b for the values of a=118 and b=125
Q8 (I) Represent the statement in the form of an integer
Rs 1000 deposited in the bank
(II) Write opposite of following as integer
5 km above the sea level
Q9 At Srinagar temperature was -3degC on Monday and then it
Dropped by 5degC on Tuesday What was the temperature of
Srinagar on Tuesday On Wednesday it rose by 4degC What
Was the temperature on this day
Q10 In a class test containing 10 questions 5 marks are
Awarded for every correct answer and -2 marks are
Awarded for every incorrect answer and 0 marks for
Not attempting
Mohit gets four correct and 6 incorrect answers What
Is his score
ASSIGNMENT-2
NOTE This assignment is based on the chapter-2 (Fractions amp
Decimals)
Q1 Find the sum (I) (II)
Q2 Find (I) (II)
Q3 Find (I) (II)
Q4 Divide (I) 6 divide (II)
Q5 Find (I) of 25 (II)
Q6 Write in ascending arrangement
Q7 Find (I) 27 times 4 (II) 23 times 435 (III)563 times 1000 (IV) 12 times 10
Q8 Convert (I) 7394 m to km (II) 30 kg 80 g as kg
Q9 Find the perimeter of rectangular park whose length and
Breadth are m and 34 m respectively
Q10 Find the area of a rectangle whose length is 67 cm and
Breadth is 45 cm
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Science
Q1Draw the diagram of the following
A) Digestive system
B) Different types of teeth
C) Ruminants
D) Amoeba
E) Stomata
F) Life cycle of Silkworm
Q2 Define the following terms by giving one example each
1) Shearing
2) Fleece
3) Scouring
4) Sorting
5) Sericulture
6) Nutrition
7) Nutrients
8) Autotrophic
9) Heterotrophic
10) Photosynthesis
11) Parisitic
12) Insectivorous
13) Stomata
14) Chlorophyll
15) Ingestion
16) Digestion
17) Absorption
18) Pseudopodia
19) Villi
20) Milk teeth
21) Permanent teeth
22) Egestion
Q3Make 10 MCQ lsquoS each from lesson 1 2 3
Q4Why do organisms need to take food
Q5 Distinguish between parasite and saprotroph
Q6Give a brief description of the process of synthesis of food in green plants
Q7What is stomata and what is its function
Q8 What is nutrition
Q9What is villi What is its location and function
Q10 Why cellulose cannot be digested by human beings
Q11Where is bile produced and writes its function
Q12What is the role of acid in stomach
Q13Explain the process of digestion in amoeba
Q14Explain the life cycle of silkworm
Q15Make a working model from topics given below
a) Conservation of energy
b) Health
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Social Science
1 Make a practical file on Components of environment How do changes in environment affect
usHow is the man a modifier of the environment by drawing different pictures related to
topic
2 Make an Assignment -What is the midday meal programme List three benefits of the
programme how do you think this programme might help promote greater equality
3 Learn chapter-on Equality Tracing changes through a thousand years Environment
4 Revise and Write following questions on fair notebook
1 Who were the parties involved in the ldquotripartite strugglerdquo
2 What were the qualifications necessary to become a member of a committee of the sabha in
the Chola Empire
3 Find out more about taxes that are collected at present Are these in cash kind or labour
services
4 What were the two major cities under the control of the Chahamanas
5 How did the Rashtrakutas become powerful
6 What did the new dynasties do to gain acceptance
7 What kind of irrigation works were developed in the Tamil region
8 What were the activities associated with Chola temples
9 What are the different ways through which the government can take steps to provide
healthcare for all
10 What differences do you find between private and public health services in your area
11 lsquoImprovement in water and sanitation can control many diseasesrsquo Explain with the help of
examples
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-English
1 10 PAGE HANDWRITING NEAT AND CLEAN 2 REVISE ALL THE CHAPTERS DONE SO FAR AND COME PREPARED FOR TEST TO BE CONDUCTED IMMEDIATELY AFTER REOPENNG OF SCHOOL 3 WRITE THE STORIES WITH THE FOLLOWING HEADS (a) THE SUN AND THE WIND (b) THE LION AND THE MOUSE (c) THE HEN THAT LAID GOLDEN EGGS (d) A FRIEND IN NEED IN A FRIEND INDEED (e) HARD WORK IS THE KEY OF SUCCESS
LETTER WRITING
- TO THE PRINCIPAL - FOR FIVE DAYS LEAVE GIVING ANY REASON - FOR FEE CONCESSION - CHANGE OF SECTION - REMISSION OF FINE
- INFORMAL LETTER - TO FRIEND INVITING TO BIRTHDAY PARTY - UNCLE THANKING FOR BIRTHDAY GIFT - LETTER TO FATHER GIVING HOME NEWS 4 READ FIRST THREE STORIES OF SUPPLEMENTRY BOOK amp WRITE THE SUMMARY IN YOUR OWN WORDS 5 WRITE 20 QUESTIONS OF DAILY CONVERSATION WITH THEIR POSSIBLE ANSWERS 6 WRITE 20 PROVERBS IN ENGLISH WITH THEIR HINDI VERSION 7 PICK UP ONE NEWS HEADLINE PER DAY AND ELABORATE THE NEWS IN YOUR OWN WORDS
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Q7 Verify a-(-b) = a+b for the values of a=118 and b=125
Q8 (I) Represent the statement in the form of an integer
Rs 1000 deposited in the bank
(II) Write opposite of following as integer
5 km above the sea level
Q9 At Srinagar temperature was -3degC on Monday and then it
Dropped by 5degC on Tuesday What was the temperature of
Srinagar on Tuesday On Wednesday it rose by 4degC What
Was the temperature on this day
Q10 In a class test containing 10 questions 5 marks are
Awarded for every correct answer and -2 marks are
Awarded for every incorrect answer and 0 marks for
Not attempting
Mohit gets four correct and 6 incorrect answers What
Is his score
ASSIGNMENT-2
NOTE This assignment is based on the chapter-2 (Fractions amp
Decimals)
Q1 Find the sum (I) (II)
Q2 Find (I) (II)
Q3 Find (I) (II)
Q4 Divide (I) 6 divide (II)
Q5 Find (I) of 25 (II)
Q6 Write in ascending arrangement
Q7 Find (I) 27 times 4 (II) 23 times 435 (III)563 times 1000 (IV) 12 times 10
Q8 Convert (I) 7394 m to km (II) 30 kg 80 g as kg
Q9 Find the perimeter of rectangular park whose length and
Breadth are m and 34 m respectively
Q10 Find the area of a rectangle whose length is 67 cm and
Breadth is 45 cm
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Science
Q1Draw the diagram of the following
A) Digestive system
B) Different types of teeth
C) Ruminants
D) Amoeba
E) Stomata
F) Life cycle of Silkworm
Q2 Define the following terms by giving one example each
1) Shearing
2) Fleece
3) Scouring
4) Sorting
5) Sericulture
6) Nutrition
7) Nutrients
8) Autotrophic
9) Heterotrophic
10) Photosynthesis
11) Parisitic
12) Insectivorous
13) Stomata
14) Chlorophyll
15) Ingestion
16) Digestion
17) Absorption
18) Pseudopodia
19) Villi
20) Milk teeth
21) Permanent teeth
22) Egestion
Q3Make 10 MCQ lsquoS each from lesson 1 2 3
Q4Why do organisms need to take food
Q5 Distinguish between parasite and saprotroph
Q6Give a brief description of the process of synthesis of food in green plants
Q7What is stomata and what is its function
Q8 What is nutrition
Q9What is villi What is its location and function
Q10 Why cellulose cannot be digested by human beings
Q11Where is bile produced and writes its function
Q12What is the role of acid in stomach
Q13Explain the process of digestion in amoeba
Q14Explain the life cycle of silkworm
Q15Make a working model from topics given below
a) Conservation of energy
b) Health
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Social Science
1 Make a practical file on Components of environment How do changes in environment affect
usHow is the man a modifier of the environment by drawing different pictures related to
topic
2 Make an Assignment -What is the midday meal programme List three benefits of the
programme how do you think this programme might help promote greater equality
3 Learn chapter-on Equality Tracing changes through a thousand years Environment
4 Revise and Write following questions on fair notebook
1 Who were the parties involved in the ldquotripartite strugglerdquo
2 What were the qualifications necessary to become a member of a committee of the sabha in
the Chola Empire
3 Find out more about taxes that are collected at present Are these in cash kind or labour
services
4 What were the two major cities under the control of the Chahamanas
5 How did the Rashtrakutas become powerful
6 What did the new dynasties do to gain acceptance
7 What kind of irrigation works were developed in the Tamil region
8 What were the activities associated with Chola temples
9 What are the different ways through which the government can take steps to provide
healthcare for all
10 What differences do you find between private and public health services in your area
11 lsquoImprovement in water and sanitation can control many diseasesrsquo Explain with the help of
examples
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-English
1 10 PAGE HANDWRITING NEAT AND CLEAN 2 REVISE ALL THE CHAPTERS DONE SO FAR AND COME PREPARED FOR TEST TO BE CONDUCTED IMMEDIATELY AFTER REOPENNG OF SCHOOL 3 WRITE THE STORIES WITH THE FOLLOWING HEADS (a) THE SUN AND THE WIND (b) THE LION AND THE MOUSE (c) THE HEN THAT LAID GOLDEN EGGS (d) A FRIEND IN NEED IN A FRIEND INDEED (e) HARD WORK IS THE KEY OF SUCCESS
LETTER WRITING
- TO THE PRINCIPAL - FOR FIVE DAYS LEAVE GIVING ANY REASON - FOR FEE CONCESSION - CHANGE OF SECTION - REMISSION OF FINE
- INFORMAL LETTER - TO FRIEND INVITING TO BIRTHDAY PARTY - UNCLE THANKING FOR BIRTHDAY GIFT - LETTER TO FATHER GIVING HOME NEWS 4 READ FIRST THREE STORIES OF SUPPLEMENTRY BOOK amp WRITE THE SUMMARY IN YOUR OWN WORDS 5 WRITE 20 QUESTIONS OF DAILY CONVERSATION WITH THEIR POSSIBLE ANSWERS 6 WRITE 20 PROVERBS IN ENGLISH WITH THEIR HINDI VERSION 7 PICK UP ONE NEWS HEADLINE PER DAY AND ELABORATE THE NEWS IN YOUR OWN WORDS
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Q1 Find the sum (I) (II)
Q2 Find (I) (II)
Q3 Find (I) (II)
Q4 Divide (I) 6 divide (II)
Q5 Find (I) of 25 (II)
Q6 Write in ascending arrangement
Q7 Find (I) 27 times 4 (II) 23 times 435 (III)563 times 1000 (IV) 12 times 10
Q8 Convert (I) 7394 m to km (II) 30 kg 80 g as kg
Q9 Find the perimeter of rectangular park whose length and
Breadth are m and 34 m respectively
Q10 Find the area of a rectangle whose length is 67 cm and
Breadth is 45 cm
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Science
Q1Draw the diagram of the following
A) Digestive system
B) Different types of teeth
C) Ruminants
D) Amoeba
E) Stomata
F) Life cycle of Silkworm
Q2 Define the following terms by giving one example each
1) Shearing
2) Fleece
3) Scouring
4) Sorting
5) Sericulture
6) Nutrition
7) Nutrients
8) Autotrophic
9) Heterotrophic
10) Photosynthesis
11) Parisitic
12) Insectivorous
13) Stomata
14) Chlorophyll
15) Ingestion
16) Digestion
17) Absorption
18) Pseudopodia
19) Villi
20) Milk teeth
21) Permanent teeth
22) Egestion
Q3Make 10 MCQ lsquoS each from lesson 1 2 3
Q4Why do organisms need to take food
Q5 Distinguish between parasite and saprotroph
Q6Give a brief description of the process of synthesis of food in green plants
Q7What is stomata and what is its function
Q8 What is nutrition
Q9What is villi What is its location and function
Q10 Why cellulose cannot be digested by human beings
Q11Where is bile produced and writes its function
Q12What is the role of acid in stomach
Q13Explain the process of digestion in amoeba
Q14Explain the life cycle of silkworm
Q15Make a working model from topics given below
a) Conservation of energy
b) Health
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Social Science
1 Make a practical file on Components of environment How do changes in environment affect
usHow is the man a modifier of the environment by drawing different pictures related to
topic
2 Make an Assignment -What is the midday meal programme List three benefits of the
programme how do you think this programme might help promote greater equality
3 Learn chapter-on Equality Tracing changes through a thousand years Environment
4 Revise and Write following questions on fair notebook
1 Who were the parties involved in the ldquotripartite strugglerdquo
2 What were the qualifications necessary to become a member of a committee of the sabha in
the Chola Empire
3 Find out more about taxes that are collected at present Are these in cash kind or labour
services
4 What were the two major cities under the control of the Chahamanas
5 How did the Rashtrakutas become powerful
6 What did the new dynasties do to gain acceptance
7 What kind of irrigation works were developed in the Tamil region
8 What were the activities associated with Chola temples
9 What are the different ways through which the government can take steps to provide
healthcare for all
10 What differences do you find between private and public health services in your area
11 lsquoImprovement in water and sanitation can control many diseasesrsquo Explain with the help of
examples
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-English
1 10 PAGE HANDWRITING NEAT AND CLEAN 2 REVISE ALL THE CHAPTERS DONE SO FAR AND COME PREPARED FOR TEST TO BE CONDUCTED IMMEDIATELY AFTER REOPENNG OF SCHOOL 3 WRITE THE STORIES WITH THE FOLLOWING HEADS (a) THE SUN AND THE WIND (b) THE LION AND THE MOUSE (c) THE HEN THAT LAID GOLDEN EGGS (d) A FRIEND IN NEED IN A FRIEND INDEED (e) HARD WORK IS THE KEY OF SUCCESS
LETTER WRITING
- TO THE PRINCIPAL - FOR FIVE DAYS LEAVE GIVING ANY REASON - FOR FEE CONCESSION - CHANGE OF SECTION - REMISSION OF FINE
- INFORMAL LETTER - TO FRIEND INVITING TO BIRTHDAY PARTY - UNCLE THANKING FOR BIRTHDAY GIFT - LETTER TO FATHER GIVING HOME NEWS 4 READ FIRST THREE STORIES OF SUPPLEMENTRY BOOK amp WRITE THE SUMMARY IN YOUR OWN WORDS 5 WRITE 20 QUESTIONS OF DAILY CONVERSATION WITH THEIR POSSIBLE ANSWERS 6 WRITE 20 PROVERBS IN ENGLISH WITH THEIR HINDI VERSION 7 PICK UP ONE NEWS HEADLINE PER DAY AND ELABORATE THE NEWS IN YOUR OWN WORDS
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Science
Q1Draw the diagram of the following
A) Digestive system
B) Different types of teeth
C) Ruminants
D) Amoeba
E) Stomata
F) Life cycle of Silkworm
Q2 Define the following terms by giving one example each
1) Shearing
2) Fleece
3) Scouring
4) Sorting
5) Sericulture
6) Nutrition
7) Nutrients
8) Autotrophic
9) Heterotrophic
10) Photosynthesis
11) Parisitic
12) Insectivorous
13) Stomata
14) Chlorophyll
15) Ingestion
16) Digestion
17) Absorption
18) Pseudopodia
19) Villi
20) Milk teeth
21) Permanent teeth
22) Egestion
Q3Make 10 MCQ lsquoS each from lesson 1 2 3
Q4Why do organisms need to take food
Q5 Distinguish between parasite and saprotroph
Q6Give a brief description of the process of synthesis of food in green plants
Q7What is stomata and what is its function
Q8 What is nutrition
Q9What is villi What is its location and function
Q10 Why cellulose cannot be digested by human beings
Q11Where is bile produced and writes its function
Q12What is the role of acid in stomach
Q13Explain the process of digestion in amoeba
Q14Explain the life cycle of silkworm
Q15Make a working model from topics given below
a) Conservation of energy
b) Health
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Social Science
1 Make a practical file on Components of environment How do changes in environment affect
usHow is the man a modifier of the environment by drawing different pictures related to
topic
2 Make an Assignment -What is the midday meal programme List three benefits of the
programme how do you think this programme might help promote greater equality
3 Learn chapter-on Equality Tracing changes through a thousand years Environment
4 Revise and Write following questions on fair notebook
1 Who were the parties involved in the ldquotripartite strugglerdquo
2 What were the qualifications necessary to become a member of a committee of the sabha in
the Chola Empire
3 Find out more about taxes that are collected at present Are these in cash kind or labour
services
4 What were the two major cities under the control of the Chahamanas
5 How did the Rashtrakutas become powerful
6 What did the new dynasties do to gain acceptance
7 What kind of irrigation works were developed in the Tamil region
8 What were the activities associated with Chola temples
9 What are the different ways through which the government can take steps to provide
healthcare for all
10 What differences do you find between private and public health services in your area
11 lsquoImprovement in water and sanitation can control many diseasesrsquo Explain with the help of
examples
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-English
1 10 PAGE HANDWRITING NEAT AND CLEAN 2 REVISE ALL THE CHAPTERS DONE SO FAR AND COME PREPARED FOR TEST TO BE CONDUCTED IMMEDIATELY AFTER REOPENNG OF SCHOOL 3 WRITE THE STORIES WITH THE FOLLOWING HEADS (a) THE SUN AND THE WIND (b) THE LION AND THE MOUSE (c) THE HEN THAT LAID GOLDEN EGGS (d) A FRIEND IN NEED IN A FRIEND INDEED (e) HARD WORK IS THE KEY OF SUCCESS
LETTER WRITING
- TO THE PRINCIPAL - FOR FIVE DAYS LEAVE GIVING ANY REASON - FOR FEE CONCESSION - CHANGE OF SECTION - REMISSION OF FINE
- INFORMAL LETTER - TO FRIEND INVITING TO BIRTHDAY PARTY - UNCLE THANKING FOR BIRTHDAY GIFT - LETTER TO FATHER GIVING HOME NEWS 4 READ FIRST THREE STORIES OF SUPPLEMENTRY BOOK amp WRITE THE SUMMARY IN YOUR OWN WORDS 5 WRITE 20 QUESTIONS OF DAILY CONVERSATION WITH THEIR POSSIBLE ANSWERS 6 WRITE 20 PROVERBS IN ENGLISH WITH THEIR HINDI VERSION 7 PICK UP ONE NEWS HEADLINE PER DAY AND ELABORATE THE NEWS IN YOUR OWN WORDS
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
15) Ingestion
16) Digestion
17) Absorption
18) Pseudopodia
19) Villi
20) Milk teeth
21) Permanent teeth
22) Egestion
Q3Make 10 MCQ lsquoS each from lesson 1 2 3
Q4Why do organisms need to take food
Q5 Distinguish between parasite and saprotroph
Q6Give a brief description of the process of synthesis of food in green plants
Q7What is stomata and what is its function
Q8 What is nutrition
Q9What is villi What is its location and function
Q10 Why cellulose cannot be digested by human beings
Q11Where is bile produced and writes its function
Q12What is the role of acid in stomach
Q13Explain the process of digestion in amoeba
Q14Explain the life cycle of silkworm
Q15Make a working model from topics given below
a) Conservation of energy
b) Health
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Social Science
1 Make a practical file on Components of environment How do changes in environment affect
usHow is the man a modifier of the environment by drawing different pictures related to
topic
2 Make an Assignment -What is the midday meal programme List three benefits of the
programme how do you think this programme might help promote greater equality
3 Learn chapter-on Equality Tracing changes through a thousand years Environment
4 Revise and Write following questions on fair notebook
1 Who were the parties involved in the ldquotripartite strugglerdquo
2 What were the qualifications necessary to become a member of a committee of the sabha in
the Chola Empire
3 Find out more about taxes that are collected at present Are these in cash kind or labour
services
4 What were the two major cities under the control of the Chahamanas
5 How did the Rashtrakutas become powerful
6 What did the new dynasties do to gain acceptance
7 What kind of irrigation works were developed in the Tamil region
8 What were the activities associated with Chola temples
9 What are the different ways through which the government can take steps to provide
healthcare for all
10 What differences do you find between private and public health services in your area
11 lsquoImprovement in water and sanitation can control many diseasesrsquo Explain with the help of
examples
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-English
1 10 PAGE HANDWRITING NEAT AND CLEAN 2 REVISE ALL THE CHAPTERS DONE SO FAR AND COME PREPARED FOR TEST TO BE CONDUCTED IMMEDIATELY AFTER REOPENNG OF SCHOOL 3 WRITE THE STORIES WITH THE FOLLOWING HEADS (a) THE SUN AND THE WIND (b) THE LION AND THE MOUSE (c) THE HEN THAT LAID GOLDEN EGGS (d) A FRIEND IN NEED IN A FRIEND INDEED (e) HARD WORK IS THE KEY OF SUCCESS
LETTER WRITING
- TO THE PRINCIPAL - FOR FIVE DAYS LEAVE GIVING ANY REASON - FOR FEE CONCESSION - CHANGE OF SECTION - REMISSION OF FINE
- INFORMAL LETTER - TO FRIEND INVITING TO BIRTHDAY PARTY - UNCLE THANKING FOR BIRTHDAY GIFT - LETTER TO FATHER GIVING HOME NEWS 4 READ FIRST THREE STORIES OF SUPPLEMENTRY BOOK amp WRITE THE SUMMARY IN YOUR OWN WORDS 5 WRITE 20 QUESTIONS OF DAILY CONVERSATION WITH THEIR POSSIBLE ANSWERS 6 WRITE 20 PROVERBS IN ENGLISH WITH THEIR HINDI VERSION 7 PICK UP ONE NEWS HEADLINE PER DAY AND ELABORATE THE NEWS IN YOUR OWN WORDS
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Social Science
1 Make a practical file on Components of environment How do changes in environment affect
usHow is the man a modifier of the environment by drawing different pictures related to
topic
2 Make an Assignment -What is the midday meal programme List three benefits of the
programme how do you think this programme might help promote greater equality
3 Learn chapter-on Equality Tracing changes through a thousand years Environment
4 Revise and Write following questions on fair notebook
1 Who were the parties involved in the ldquotripartite strugglerdquo
2 What were the qualifications necessary to become a member of a committee of the sabha in
the Chola Empire
3 Find out more about taxes that are collected at present Are these in cash kind or labour
services
4 What were the two major cities under the control of the Chahamanas
5 How did the Rashtrakutas become powerful
6 What did the new dynasties do to gain acceptance
7 What kind of irrigation works were developed in the Tamil region
8 What were the activities associated with Chola temples
9 What are the different ways through which the government can take steps to provide
healthcare for all
10 What differences do you find between private and public health services in your area
11 lsquoImprovement in water and sanitation can control many diseasesrsquo Explain with the help of
examples
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-English
1 10 PAGE HANDWRITING NEAT AND CLEAN 2 REVISE ALL THE CHAPTERS DONE SO FAR AND COME PREPARED FOR TEST TO BE CONDUCTED IMMEDIATELY AFTER REOPENNG OF SCHOOL 3 WRITE THE STORIES WITH THE FOLLOWING HEADS (a) THE SUN AND THE WIND (b) THE LION AND THE MOUSE (c) THE HEN THAT LAID GOLDEN EGGS (d) A FRIEND IN NEED IN A FRIEND INDEED (e) HARD WORK IS THE KEY OF SUCCESS
LETTER WRITING
- TO THE PRINCIPAL - FOR FIVE DAYS LEAVE GIVING ANY REASON - FOR FEE CONCESSION - CHANGE OF SECTION - REMISSION OF FINE
- INFORMAL LETTER - TO FRIEND INVITING TO BIRTHDAY PARTY - UNCLE THANKING FOR BIRTHDAY GIFT - LETTER TO FATHER GIVING HOME NEWS 4 READ FIRST THREE STORIES OF SUPPLEMENTRY BOOK amp WRITE THE SUMMARY IN YOUR OWN WORDS 5 WRITE 20 QUESTIONS OF DAILY CONVERSATION WITH THEIR POSSIBLE ANSWERS 6 WRITE 20 PROVERBS IN ENGLISH WITH THEIR HINDI VERSION 7 PICK UP ONE NEWS HEADLINE PER DAY AND ELABORATE THE NEWS IN YOUR OWN WORDS
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-English
1 10 PAGE HANDWRITING NEAT AND CLEAN 2 REVISE ALL THE CHAPTERS DONE SO FAR AND COME PREPARED FOR TEST TO BE CONDUCTED IMMEDIATELY AFTER REOPENNG OF SCHOOL 3 WRITE THE STORIES WITH THE FOLLOWING HEADS (a) THE SUN AND THE WIND (b) THE LION AND THE MOUSE (c) THE HEN THAT LAID GOLDEN EGGS (d) A FRIEND IN NEED IN A FRIEND INDEED (e) HARD WORK IS THE KEY OF SUCCESS
LETTER WRITING
- TO THE PRINCIPAL - FOR FIVE DAYS LEAVE GIVING ANY REASON - FOR FEE CONCESSION - CHANGE OF SECTION - REMISSION OF FINE
- INFORMAL LETTER - TO FRIEND INVITING TO BIRTHDAY PARTY - UNCLE THANKING FOR BIRTHDAY GIFT - LETTER TO FATHER GIVING HOME NEWS 4 READ FIRST THREE STORIES OF SUPPLEMENTRY BOOK amp WRITE THE SUMMARY IN YOUR OWN WORDS 5 WRITE 20 QUESTIONS OF DAILY CONVERSATION WITH THEIR POSSIBLE ANSWERS 6 WRITE 20 PROVERBS IN ENGLISH WITH THEIR HINDI VERSION 7 PICK UP ONE NEWS HEADLINE PER DAY AND ELABORATE THE NEWS IN YOUR OWN WORDS
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-English
1 10 PAGE HANDWRITING NEAT AND CLEAN 2 REVISE ALL THE CHAPTERS DONE SO FAR AND COME PREPARED FOR TEST TO BE CONDUCTED IMMEDIATELY AFTER REOPENNG OF SCHOOL 3 WRITE THE STORIES WITH THE FOLLOWING HEADS (a) THE SUN AND THE WIND (b) THE LION AND THE MOUSE (c) THE HEN THAT LAID GOLDEN EGGS (d) A FRIEND IN NEED IN A FRIEND INDEED (e) HARD WORK IS THE KEY OF SUCCESS
LETTER WRITING
- TO THE PRINCIPAL - FOR FIVE DAYS LEAVE GIVING ANY REASON - FOR FEE CONCESSION - CHANGE OF SECTION - REMISSION OF FINE
- INFORMAL LETTER - TO FRIEND INVITING TO BIRTHDAY PARTY - UNCLE THANKING FOR BIRTHDAY GIFT - LETTER TO FATHER GIVING HOME NEWS 4 READ FIRST THREE STORIES OF SUPPLEMENTRY BOOK amp WRITE THE SUMMARY IN YOUR OWN WORDS 5 WRITE 20 QUESTIONS OF DAILY CONVERSATION WITH THEIR POSSIBLE ANSWERS 6 WRITE 20 PROVERBS IN ENGLISH WITH THEIR HINDI VERSION 7 PICK UP ONE NEWS HEADLINE PER DAY AND ELABORATE THE NEWS IN YOUR OWN WORDS
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Hindi
१ भारत की खोज पसतक को पढ़ना (पज एक स पचास)
२ सलख बीस पज
३ उपसरग बीस शबद
४ परतयय बीस शबद
५ पयागयवाची बीस शबद परतयक क ३ शबद |
६ टी सी क ललए परारगना पतर |
फ़ीस माफ क ललए परारगना पतर |
७ पयागवरण
सवचछ भारत अलभयान |
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Maths
REVISE CH 1 AND 2 WITH EXAMPLES AND SOLVE THE GIVEN ASSIGNMENT
ASSIGNMENT BASED ON CH 12
DO THE FOLLOWING QUESTIONS
1Find a rational number between and
2 Find three rational numbers between -2 and 0
3The cost of metres ofwire is Rs Find the cost of one metre of the wire
4Find the product of additive inverse and multiplicative inverse of -13
Solve the following equations(Q 5 to 12)
5 5x +4 =
6 27 -3p = 12
73x -7 = 2x-5
8 - = +
9 - = - 5
10 8y +4 =3 (y - 1) +7
11 5x - 2(2x-7) = 2(3x-1) +
12 15 (y-4) -2 (y-2) = 5(y+6)
13 Sum of two numbers is 74 One of the number is 10 more than the other What are the numbers
14 The ratio of present ages of Vijay and Mohan is 45 After 5 tears the ratio of their ages will be 56Find their
present ages
15 A number consists of two digits Sum of its digits is 15If the place f digits is interchanged then the numberso
obtained is 9 less than the original number Find the original number
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
16 Divide 4500 into two parts such that 5 of the first is equal to 10 of the second part
17 A group of people were asked to choose their favorite fruit One - fourth choose apples one-third choose
banana and two -fifth choose orange and three people choose litchi How many people were in the group Out
of junk food and fruits which one you prefer and why
18 Represent the following number on the number line
(i) (ii) (iii) (iv)
19 Using appropriate properties find
X - - X
20 Find the additive inverse and multiplicative inverse of the following numbers
(i) (ii) (iii) -8 (iv)
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Science
Q1Differentiate between the following
A) Manure and Fertilizers
B) Thermosetting plastic and Thermoplastic
C) Kharif and Rabi
D) Biodegradable and Non-biodegradable
E) Communicable and Non communicable diseases
Q2 What are weeds How can we prevent them
Q3 What is irrigation Describe 2 methods of irrigation which conserve water
Q4 What are microorganisms and how can we see them
Q5 Write 5 useful and 5 harmful effects of micro-organisms
Q6 What are antibiotics and what precautions must be taken while taking antibiotic
Q7Why plastic containers are favoured for storing food
Q8What is the advantages and disadvantages of synthetic fibres
Q9 Give the properties of following
A) Nylon
B) Acrylic
C) Polyester fibres
D) Rayon
Q10 What is Bakelite and write its uses
Q11 Why the following are made of thermosetting plastics
A) Saucer pan handles
B) Electric plugs Switches
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Q12rdquoAvoid plastics as far as possible ldquoComment on this advice
Q13 Define the following terms
A) Winnowing
B) Harvesting
C) Animal husbandry
D) Agriculture
E) Plo ughing
F) Petrochemicals
G) Polythene
H) Polywool
I) Polycot
J) Fungi
K) Fermentation
L) Vaccination
M) Pasteurization
N) Algae
O) Food preservation
Q14 Make 10 MCQrsquoS each from lesson 1 2 3
Q15Make a working model on any one of the following
A) Pollution ndashAir or water
B) Solar system
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Social Science
1 What is the role of Police Lawyer and judge in investigating a crime
2 Prepare a family tree up to four generations
3 Explain all the historical incidence events that were held in India before one year of
independence
4 write the names of the states and their capitals
5 Name the state with most population
6 Name the state with least population
7 Name the largest state
8 Name the smallest state
9 Name at least 20 rivers of India
10 name the Highest Mountain peak of India
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashVIII Subject-Sanskrit
पहला पाठदसरा पाठ तीसरा पाठ चौरा पाठ इन सभी पाठो को ललखकर याद कर |
सलख बीस पज ललख | छातर परततजञा व परारगना ससकत म याद कर|
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-English
1 Diary Entries-
1 One day your mother asked you to go to the vegetable market to buy vegetables write about your experience in your
dairy
2write your experience of a sleepless summer night
3Last sunday you went for shopping you brought some cloths but you found your purse missing when you were about to
pay the bill you looked for it here and there and finally found it make an entry of your experience in your dairy
PEOPLE unit MCB
4 Complete the personal inventary for yourself
1 My name ishelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
2 People also call me helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 My address is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 My resiendence telephone number is helliphelliphelliphelliphelliphelliphelliphelliphellip
5 My birthday is on helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 My family consists of helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
7 I am interested in helliphelliphelliphelliphelliphelliphellip
8 I do not like helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
9 I have a special friendshisher name is helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
10 I am very good at helliphelliphelliphelliphelliphelliphellip
11 I am not so good at helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
12 I spend a lot of time helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
13 I would like to learn about helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
14 I would be much better off if helliphelliphelliphelliphelliphelliphelliphellip
15 I get really angry when helliphelliphelliphelliphelliphelliphelliphelliphellip
16 I have a few good habits which are helliphelliphelliphelliphelliphelliphellip
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
17 If I could only change the way I helliphelliphelliphelliphelliphelliphelliphelliphellip
18 Thing that I dislike in other people helliphelliphelliphelliphelliphelliphellip
19 If I was allowed to help in class I wouldhelliphelliphelliphelliphelliphellip
20 The proudest moment of my life was helliphelliphelliphelliphelliphelliphelliphellip
21 Some day I will helliphelliphelliphelliphelliphelliphelliphelliphellip
22 My favourite television show is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
23 The best movie that I have ever seen is helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
24 If I could change anything I would first helliphelliphelliphelliphelliphelliphelliphelliphelliphellip
25 My feeling about my school arehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
This is me=paste a photo
5 Task -A8 - STORY WRITING (5)
1 One day I was sitting on a bench at a railway station waiting for a train A boy tryied to cross the rail He didnrsquot see
that train helliphelliphelliphelliphelliphelliphelliphelliphellip
2 One eveningI had to go to my village I travelled by bus Inside the bus It was all croweded Many passengers
climbed on the roof helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
3 It was a Sunday and I was sitting in my room with a friend of mine Sudeenly we saw clouds of smoke
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
4 There was a storm brewing outside and you were all at home Suddenly the light went out helliphelliphelliphelliphelliphelliphelliphelliphellip
5 All alone o a writter evening sitting near the bench I felt a tap on my shoulers when I turned I see that
helliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
6 Using the ideas given below write a spech on THE ROLE OF YOUTH IN REALISING THE DREAMS OF DRKALAM
(a) Fighting corruption
(b) Promoting national integration
(c) Equal participation of woman in all fields
7 C6 - Letter writing
8 Nikhil feels concerned about the effect of pollution on migratory birds in northern india he decided to write an article on
the topic for the school magazinewrite the article for him suggesting some possible remedies for the situation
9 Write an article on how modern gadgets have made a slaves to machines
10 Complete the story with the following beginning in about 150-200 words also give it a suitable title
It was a bright and sunny day in decembersudhir was sitting in the varandah suddenly somebody throw a paper bag inside
his house the moment sudhir opened the gate to find outhe saw
READING TASKS
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
1 Read atleast 1-5 chapters of novel three men in a boat
LEARNING TASK
Learn the following chapters -
1How i taught my grandmother to read
2The brook
3The road not taken
4The dog named duke
THIS IS HOLIDAY HOME WORK FOR 9A OR 9B
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash IX
ववषय- दहदी
१ ककन घटनाओ स पता चलता ह कक हीरा और मोती म रहरी दोसती री
२ ldquoलहासा की ओरrdquo यातरा वतात क आधार पर बताईय कक उस समय का ततबबती समाज कसा रा
३ कवव न सचच परम की कया कसौटी बताई ह
४ कबीर न ईशवर को ldquo सब सवासो की सवास मrdquo कयो कहा ह
५ कवतयतरी का ldquoघर जान की चाहrdquo स कया तातपयग ह
६ ldquoमतय का तरल दतrdquo ककस कहा रया ह और कयो
७ चाचाजी को पतर ललखकर उसक दवारा आपक जनमददवस पर भज रए उपहार क ललए कतजञता वयकत कीजजए | ८ समाज म लड़ककयो क परतत बढ़त अपराधो पर चचता वयकत करत हए ककसी समाचार पतर क सपादक को पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
जल-सकट अरवा मोबाइल फ़ोन सववधा अरवा असववधा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Maths
This assignment is based on the chapters-Number system Polynomials amp coordinate
geometry
Q1Represent 3 on the number line
Q2Find three rational numbers between and
Q3Justify why is rational yet pi para is not rational
Q4Locate on the number line
Q5Express 02 as a fraction in simplest form
Q6If a=2+ then find the value of a-
Q7If a and b are rational numbers and =a+b Find the values of
a and b
Q8Simplify
Q9If = find the value of x
Q10 Write the degree and classify the given polynomial according to its
Degree - 8
Q11 Find the remainder when polynomial f(x)= + 4x + 50
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Is divided by x + 3
Q12 Find the value of k for which the polynomial
Is divisible by (x + 3)
Q13 Factorize (I)
(II)
Q14 If x+y+4=0 find the value of
Q15 Factorize
Q16 Without actual division prove that is i
Exactly divisible by
Q17Draw the coordinate axes and plot the following points
A(60) B(00) C(09) D(3-7) E(-53) F(74) G(-6-4)
Also write in which quadrant or on which axis the points lie
Q18 Draw the graph of equation y=3x+2
Q19 The three vertices of a triangle ABC are A(14) B(-22) and C(32)
Plot the points on graph paper and calculate the area of triangle
Q20 (I) x-coordinate of a point is called helliphelliphelliphelliphelliphellip
(II) y-coordinate of a point is called helliphelliphelliphelliphelliphellip
(III) Equation of x-axis is helliphelliphelliphelliphelliphellip
(Iv) Equation of y-axis is helliphelliphelliphelliphelliphellip
(V) Another name for Cartesian plane is helliphelliphelliphelliphelliphellip
Q21 Locate 3448 on the number line by the method of successive
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
magnification
Q22 Represent on the number line geometrically
Q23 Factorize (I) 100 - 9 (II)
Q24 Evaluate (I) 95 times 97 (II)
Q25 Rationalize the denominator of
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashIX Subject-Science
PHYSICS
1 Are displacement and distance equal in magnitude
2 Bus A travels a distance of 400 km in 500 hours and bus B travels a distance of 120km in 2 hours which
bus travels faster
3 A motor car starting from rest moves with uniform acceleration velocity of 8ms ib 8s It then moves with
uniform velocity and is finally brought to rest in 32m under uniform retardation the total distance covered
by the car is 464m Find the value of acceleration retardation and the total time taken
4 An object starting from rest travels 20m in first 2s and 160m in next 4s What will be the velocity after 7s
from the start
5 Using following data draw a time displacement graph for a moving object
Time 0 2 4 6 8 10 12 14 16
displacement 0 2 4 4 4 6 4 2 0
6 Derive the differential equations of motion
v=u+at
s=ut+at22
v2-u2=2as
7 Can a body have acceleration in one direction and velocity in other direction
8 A motorcyclist attains a velocity of 36kmh after accelerating uniformly from rest in 10 sec Find the
distance travelled
CHEMISTRY
A Solve the NCERT exercise of Unit 1 in your note books
B Define the following terms 1) melting point 2) Boiling point 3) diffusion 4) Density 5) Compressibility 6)
Latent Heat of fusion 7) Latent Heat of Vaporization 8) Fusion 9) Freezing 10) Sublimation
C Give Reasons
A Clothes dry quicker on a windy day
B We should wear cotton clothes in summers
C Differences between Evaporation and Boiling
BIOLOGY
Q1Draw neat and labelled diagrams of the following
1) Plant cell
2) Animal cell
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
3) Nerve cell
4) Mitochondria
5) Chloroplast
6) Simple permanent tissues
7) Complex permanent tissue
Q2What do we get from cerealspulsesfruits and vegetables
Q3Write major groups of activities for improving crop yield
Q4List various factors for which variety improvement is done
Q5 Difference between manures and Fertilizers
Q6What is irrigationWhat are various sources of irrigation
Q7Differences between mixed croppingcrop rotationintercropping
Q8What are weeds How can weeds can be controlled
Q9What factors are responsible for spoilage of grains during storage
Q10What is animal husbandry
Q11What is pisciculture How fishes can be obtained
Q12What is composite fish culture What are the problems with composite fish culture
Q13 What is apiculture and pasturage
Q14 Difference between broilers and layers
Q15Make working model on anyone of the following
1) Pollution
2) Transport and Communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndash IX Subject-Social Science
HISTORY
CHAPTER NO-1 FRENCH REVOLUTION
Q1- Describe the circumstances leading to outbreak of revolutionary protest in France
Q2- How would you explain the rise of Napolean
GEOGRAPHY
CHAPTER NO-1 INDIA SIZE AND LOCATION
Q1- Name the group of island lying in Arabian Sea and Bay of Bengal
Q2- When the sun has already risen in Arunachal Pradesh it is still dark in Gujrat why
CIVICS
CHAPTER DEMOCRACY IN THE CONTEMPORARY WORLD
Q1-After becoming the President of Chile in 1970 What steps did Salvador take to help
the poor
Q2-What happened in the Chile after the military coup of 11 september 1973
Q3-What happened in Calama Calso in chile in oct 1973
Q4-Distinguish democratic conditions from non-democratic conditions
ECONOMICS
STORY OF PALAMPUR
Q1-How did spread of electricity help farmers in palampur
Q2-Explain how agriculture and industry go hard in To fill 3 Indian political map with 29
states with their capitals
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-English
1 Paste and solve 10 reading passage in your notebook
2 Write letters to the editors on the followings topics
(A) Giving your views on PMrsquos decision of demonetization
(B) Views on how to save environment
(c) Views on growing need of vocational education
(D) How to empower women in India
3 Write articles on the following topics-
(A) Junk food
(B) Laughter ndash the best medicines
(C) Education curriculum requires fresh perspective
(D) Man ndash a slave of machines
4 Complete the incomplete stories-
(A) While coming to school on Mondayhelliphellip
(B) It is 20th June 17 Your school is reopening after summer vacation it is extremely not
outside hellip
(C) It was my first holiday My family had plannedhelliphelliphellip
5 Read chapter - 1 to 5 of novel ldquoThe Story of My Liferdquo
Write the summary in own words of ldquo The Story Of My
Liferdquo
6 Revise the syllabus completed so far and come prepared for the test to be conducted on
the reopening of school
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-HIndi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash X
ववषय- दहदी
१ रोवपयो न ककन-ककन उदाहरणो क माधयम स उदधव को उलाहन ददए ह
२ कषण क परतत अपन अननय परम को रोवपओ न ककस परकार अलभवयकत ककया ह
३ परशराम क करोध करन पर लकषमण न धनष क टट जान क ललए कौन-कौन स तकग ददए
४ लकषमण न वीर योदधा की कया ndashकया ववशषताए बताई
५ पानवाल का रखा चचतर परसतत कीजजए
६ सनानी न होत हए भी चशम वाल को लोर कपटन कयो कहत र
७ बालरोबबन भरत की चाररबतरक ववशषताए ललखखए
८ आपक मोहलल म आए ददन चोररया हो रही ह उनकी रोकराम क ललए रानाधयकष को रशत बढ़न हत पतर ललखखए | ९ आपक ववदयालय म कषतरीय खलकद परततयोचरता २०१७-१८ का आयोजन हआ | इस पर परततवदन (ररपोटग ) तयार
कीजजए |
१० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash मर सपनो का भारत
अरवा
मरी वपरय पसतक
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Maths
1 Using Euclids divison algorithm find the HCF of following numbers
(i) 405 2520 (ii) 504 1188 (iii) 960 1575
2 Prove that the following numbers are irrational
(i) 3+ (ii) (iii)2-3 (iv)1
(v) (vi) (vii)
3 Find the zeros of polynomial + -23 -3x +60 if it is given that two of its zeros are and -
4 Find the LCM and HCF of following pairs of numbers and verify that LCM x HCF = product of numbers
(i) 4052520 (ii) 504 1188 (iii) 960 1575
5 By what number should 1365 be divided to get 31 as quotient and 32 as remainder
6 Using prime factorization find the HCF and LCM of
bull 243640
bull 3072432
bull 21283645
7 The HCF of two numbers is 23 and their LCM is 1449 If one of the numbers is 161 find the
Other
8 The HCF of two numbers is 11 and their LCM is 7700 If one of the numbers is 275 find the
Other
9 Find the least number of square tiles required to pave a ceiling of a room 15m 17 cm long
and 9m 2cm broad
10 Three measuring rods are 64 cm 80cm and 96 cm in length Find the least length of cloth that can be
measured exact number of times using any of the rods
11 Find the missing numbers in the following factorization
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
12 Without actual division show that each of the following rational number is a non terminating repeating
decimal
(i) (ii)
(iii)
13 Give an example of two irrational numbers whose sum is a rational number
14 Show that any positive odd integer is of the form 4q + 1 or 4q +3 for some integer q
15 Show that one and only one out of n n+2 and n +4 is divisible by 3 where n is any positive integer
16 Find the zeros of the following polynomial and verify the relationship between zeros and the coefficients
(i) x2+3x -10
(ii) 6x2 -7x-3
(iii) 4x2 -4x -3
(iv)x2-5
(v) 8x2-4
17 It being given that 1 is zero of p(x) = 7x - x3 -6 find the other zeros
18 What real number should be subtracted from the polynomial 3x3 +10 x2 -14x+9 so that 3x-2 divides it exactly
19 Solve the following equations graphically
2
2
3
5 11
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
(i) 2x-3y =2
x-2y=8
(ii) 3x+y+1 = 0
2x-3y +8=0
20 Solve for x and y by elimination method
2x +y =7 4x-3y+1 =0
21 Solve for x and y
+ =13 - =-2
22 Show graphically that the system of equations x-2y =2 and 4x-2y=5 is consistent
23 Solve the following equations
10 x + 3y = 75 6x- 5y = 11
24 Solve by substitution method
- = 0 - = 0
25 Find the zeros of polynomial - 6 -26 +138x -35 if it is given that two of its zeros are2+ and 2-
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Science
PHYSICS 1- What is the area of cross section of a wire if its length is 2mResistance is 46ohm and resistivity is 184x10-6Ώm 2- What is the equivalent resistance when two resistances of 5 ohm and 10 ohm are connected in series to a battery of 5volt Also find the current passing through the circuit 3- How should three resistance of 3 ohm are connected so as to produces a resultant resistance of 1 ohm 4- Should the resistance of an ammeter be low or high Give reason 5- How does the use of a fuse wire protect electrical appliances 6- Why the parallel arrangement used in domestic wiring 7- State Ohmrsquos law How does it be verified experimentally does it hold good under all conditions Comment 8-If three resistors each of 3Ώ are connected together in different ways What are the possible values of resistance which can be got by combining all these 9- What is electrical resistivity of a material what is its units Describe the experiment to study the factors on which resistance of a conductor depends 10- A resistance of 100Ώ is connected to a 50V battery what is the amount of heat energy produced in 1 hours
CHEMISTRY Solve the NCERT exercise of Unit 1 in your note books Balance 20 given chemical equations Give 10 examples of redox reactions Make a project report of 1000 words on Corrosion
BIOLOGY Q1Draw neat and labelled diagrams of 1) Stomata 2) Nutrition in Amoeba 3) Digestive system in human beings 4) Respiratory system in human beins 5) Human heart 6) Excretory system 7) Structure of nephron 8) Structure of neuron 9) Reflex arc 10) Human brain Q2 What is nutrition and what are the different types of nutrition Give examples Q3What are the various events that occur during photosynthesis Q4 Give an activity to show that sunlight is essential for photosynthesis Q5Explain the process of digestion in human beingsWrite the functions of various enzymes used in the process of digestion Q6Explain the process of respiration in human beings Q7 What are the various types of blood vessels Explain the function of each Q8How nutrients and food are transported in plants Q9Explain structure and working of nephron Q10Make atleast 10 MCQ from each lesson Q11Make any one working model on the topics given below 1) Conservation of energy
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
2) Health 3) Disaster management 4) Transport and communication
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashX Subject-Social Science
CIVICS
POWER SHAIRING
Q1- Define Prudential Coalition Government federation civil war
Q2- Explain the difference between Horizontal power shairing and vertical power shairing
Q3- Explain the major forms of power Sharing in the modern democracies
FEDERALISM
Q1- Difference between the Union List and the Concurrent List
Q2- What is the main difference between a federal form of government and a unitary one Explain them with an example
HISTORY
AGE OF INDUSTRALISATION
Q1- Define Proto Gomastha Jobber Proto industrialisation
Q2- Distinguish between industrialisation and proto industrialisation
Q3- Women workers in Britain attacked the spinning Jenny
GEOGRAPHY
RESOURCES AND DEVELOPMENT
Q1- Explain the classification of Resources on the basis of origin or what are biotic and abiotic resources Give two
example for each
Q2- Explain the classification of resources on the basis of ownership
Q3- Distinguish between Renewable and non renewable resources
ECONOMICS
Q1- Defination Development Developed Economies and Undeveloped economies
Q2- What is the significance of Human Development Index
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-English
ENGLISH HOLIDAY HOMEWORK (SUMMER VACATION)
Ques1 write an article in about 150-200 words on the following topic ldquoThe future of education is digitilizationrsquo
Ques2 On the occasion of Teachersrsquo day you have to speak for a few minutes on the role of teachers in
studentsrsquo life in modern times Draft your speech in about 150-200 words
Ques3 You are a special correspondent of a newspaper You have been asked to cover an accident involving a
gas tanker on national highway passing through your city write your report
Ques4 You are a BTech in architecture with a 5 years experience as an architect in Adhaar builders
Mumbaiwrite an application for the post of senior architect in AB construction pvt ltd Bhopal Sign your name
as Niram kumar Your address is 56 cross street seeta nagar Indore
Ques5 Why has the poetrsquos mother been compared to the lsquo late winterrsquos moonrsquo
Ques6 What was poetrsquos childhood fear
Ques 7How does the poet describe the faces of the children in classroom
Ques8 What message does Stephen spender want to convey in the poem lsquoAn Elementary School Classroom in a
Slumrsquo
Ques 9What dread did little Franz have when he started for school in the morning
Ques10 What sights did Franz see on his way to school
Ques11 Who was Sahib What was his full name What was the Irony about his name
Ques12 How does the author describe the area of Seemapuri
Ques13 lsquoGarbage to them is goldrsquo What does the author say about the ragpickers
Ques14 Why was Douglas determined to get over his fear of water
Ques15 Describe the writerrsquos childhood experience when he was three or four years old
Ques16 From where did the peddler get the idea of the world being a rattrap
Ques17 The Crofter can be called as a good host Why
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Ques18 How did the peddler react when he saw that the ironmaster had mistaken him for Nils olof and old
regimental comrade
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Hindi
गरीषमकालीन अवकाश रहकायग(२०१७-१८)
ककषा ndash XII
ववषय- दहदी
१ ldquoशीतल वाणी म आरrdquo क होन का कया अलभपराय ह
२ ldquoददन जलदी-जलदी ढलता हrdquo कववता का सार ललखखए | ३ पतरो क सार-सार व भी उड़ रह ह बचचो का उडान स कसा समबनध बनता ह
४ भजकतन अचछी ह यह कहना कदठन होरा कयोकक उसम दरगणो का अभाव नही लखखका न ऐसा कयो कहा होरा
५ ldquoबाजारपनrdquo स कया तातपयग ह ककस परकार क वयजकत बाजार को सारगकता परदान करत ह
६ आलख ललखखए- बचपन अरवा आज क यवा | ७ फीचर ललखखए ndash ldquoमहराई न मार डालाrdquo अरवा ldquoयवाओ म बढ़ता फशनrdquo | ८ पररवहन तनरम क अचधकारी को एक पतर ललखकर यातरा क दौरान बस-चालक क दवारा की रई अभरदता का उललख
हो
९ फीचर और आलख म अनतर सपषट कीजजए | १० एक ववषय पर २००-२५० शबदो म तनबध ललखखए ndash
आज की नारी
अरवा
आतकवाद बढ़ता ख़तरा
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Maths
Chapter 1 ( Relations and Functions )
Q1 If is a binary operation on N given by ab = LCM (a b) a b N Find the
valueof 34
Q2 Find the number of binary operations defined in A=123
Q3 If f(x)=x+7 and g (x)=x-7 Find fog(7)
Q4 Show that the function fR given by f(x)=cosx for is neither one one
nor onto
Q 5 Show that the function f NN given by f(x) = 2x is one-one but not onto
Q6Show that the signum function f RR given by
0xif1
0xif0
0xif1
)x(f
is neither one-one nor onto
Q7 Check the injectivity of f R R f(x) = x3
Q8Let N be the set of natural numbers and R be the relation in NX N defined by
(ab) R (cd) if and only ifa+d=b+c Show that R is an equivalence relation
Q9A function is defined as f (x) = x2 minus 3x + 2
Show that f is invertibleFind the inverseof f
Q10Let be the power set of all the subsets of set X Define a binary operation
on as is commutative and
associative Also find the identity element Which elements of are
invertible and what is there inverse
Q11Let f R rarr R be a function defined by f (x) = 2x + 3 Find a function g R rarr R
satisfying the condition gof = fog = IR
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Q12Show that the relation R on A A = x x Z 0 le x le 12 defined as
R = (a b) |a - b| is multiple of 3 is an equivalence relation
Q13Prove that R is an equivalence relationwhere RN timesNrarrN defined as
(ab) R (cd) if and only if ad(b+c) =bc(a+d)
Q14 Consider the binary operation RXR R and 0 RXR R defined as
ab=Ia-b I and a0b=a abisinRShow that is commutative but not
associative 0 is not commutative but associative Further Show that
ab c isin R a(b0c) =(ab)0(ab) Justify your answer
Q15Let A = R minus 0 and B = A times R Let the binary operation on B be defined as
(a b) (c d) =
(i) Find the identity element of B with respect to d operation
(ii) Show that set B is invertible with respect to the operation
Also find the inverse of (minus5 3)
TOPIC 2 ( Inverse Trigonometric Functions )
Q1 Evaluate
6
7coscos 1
Q2 Find x if 2
πxeccos2sec 11
Q3 Find the value of
Q4 Prove that 4yx
yxtan
y
xtan 1
Q 5 Evaluate
3
π2sinsin
3
π2coscos 11
Q6 Simplify
Q7 Express in simplest form sin-1[3x ndash 4x3] Q8Find the value of
Q9Prove that
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Q10Prove that
Q11If then find the value o
Q12Write in the simplest form
xaxb
xbxa
sincos
sincostan 1
Q13 Prove that
16
63tan
5
4cos
13
12sin 111
Q14 Find the greatest and least value of
TOPIC(MATRICES )
1If A=
cos sin
sin cos
x x
x x
find x 0ltxlt 2
where A+Aacute = I 2If A and B are symmetric matrices of the same order write
whether AB ndash BA Is symmetric or skew symmetri
3If
71
01A find k such that 082 kIAA
4Express A as a sum of symmetric and a skew symmetric matrix
A =
5 Matrix A has x rows and x+5 columns Matrix B has y rows and 11-y columns Both AB and BA exist Find the values of x and y
6Findxyz If A = satisfies Arsquo =A-1
7Use the product A= to solve the system of equations
x-y+2z = 1 2y ndash 3z= 1 3x-2y+4z = 2
8Solve for x =O
9 Express the following matrix as the sum of a symmetric and skew-symmetric matrix
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
564
386
531
10 Let A = en show that A2-4A+7I=O and also calculate A5
11 Find the matrix X such that
n
13Using elementary transformations find the inverse of the following matrix
542752321
14Three shopkeepers A B C are using polythene handmade bags (prepared by prisoners)
andnewspaperrsquos envelope as carry bags it is found that the shopkeepers A B C are using
(203040) (304020)(402030) polythene handmade bags and newspapers envelopes
respectively The shopkeepers A B C spent Rs250 Rs220 amp Rs200 on these carry bags
respectively Find the cost of each carry bags using matrices Keeping in mind the social
ampenvironmental conditions which shopkeeper is better amp whY
TOPIC 4 ( DETERMINANTS)
1If A and B are square matrices of order 3 such that |A| = -2 and |B| = 3 find the value of |5AB|
2If A and B are square matrices of the same order such that then write the value of
3 If A= andB= Find the value of
4 If A and B are square matrices of 3 such that
5 If A= andB= Find the value of
6 A matrix A of order 3x3 has determinant 5 what is the value of
7
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Section Crsquo (4 mark each)
8Using properties of determinant prove that
9By using properties of determinants show that
= 2
10 Using properties of determinants Show that
11 Given that x= -9 is the root of
x
x
x
67
22
73
=0 what are the other two roots
12Provethat =abc+ab+bc+ac
13
14
15
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class - XII Subject-Physics
1 Mark Questions
1 q1 +q2=0What does it signifies
2 Why does our hair stand when our body gets electric shock
3 Quarks are the building blocks of nucleons and possess fractional electronics charge Does this discovery violate the
principle of quantization of charge
4 Calculate the number of electrons contained in 1 C of charge
5 What is the amount of charge possessed by 1 Kg of electrons
6 What is the charge of an object which has 1 million (1x106 ) fewer electrons than protons
7 Give a nuclear reaction which shows that charge is conserved
8 A free proton and a free electron are placed in a uniform field Which of the two experience greater force and greater
acceleration
9 Is the force acting between two point charges q1amp q2 at some distance in air attractive or repulsive when (i) q1q2
gt0(ii) q1amp q2 lt0
10 How many mega coulombs of positive or negative charge are in 1 mole of a neutral molecular hydrogen gas
11 Why can one ignore quantisation of electric charge when dealing with macroscopic ie large scale charges
12 Can a body have a charge of 08 x 10-19 C Justify your answer
13 How the mass of body affected when it is charged
14 How does the Coulomb force between two point charges depend upon the dielectric constant of the intervening
medium
15 If the radius of the Gaussian surface enclosing a charge is halved how does the electric flux through the Gaussian
surface change
16 A charge Q micro coulomb is placed at the centre of a cube What would be the flux through one face
17 An arbitrary surface encloses a dipole What is the electric flux through the surface
18 Sketch a graph to show how charge given to a capacitor of capacity C varies with potential difference
19 When a capacitor is charged by a battery is the energy stored in the capacitor is same as energy supplied by the
battery
20 Can there be potential difference between two adjacent conductor carrying the same charge
TWO MARKS QUESTIONS
1 An attractive force of 5N is acting between two charges of 2microc and -2microc placed at some distance If the charges are
mutually touched and placed again at the same distance what will be the new force between them
2 Two point charges q1 and q2 are 3 m apart and their combined charge is 20 microc If one repels the other with a force of
0075 N what are two charges
3 A charge P repels charge Q but it attracts charge R If R repels positively charged Body S then find nature of charge
on Q
4 A polythene piece rubbed with wool is found to have a negative charge of 36 x 10-7C (i) Estimate the number of
electrons transferred(ii) Is there a transfer of mass from wool to polythene
5 A uniform electric field of 20NC exists in the vertically downward direction Determine the increase in the electric
potential as one goes up through the height of 50cm
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
6 A uniform electric field of 30 NC exists along the x axis Calculate the potential difference Vb-Va between the points
A (4m2m) and B(10m5m)
7 If the E=8i+4j+3k NC-1 Calculate the electric flux through a surface of area 100 m2 lying in
x-y plane
8 The electric field in a certain region of space is (5i+4j-4k) x 105 NC Calculate the electric
flux due to this field over an area of (2i-j) x 10-2 m2
9 Why the capacitance of a parallel plate capacitor increases on introducing a dielectric medium between the plates
10 49 A parallel plate capacitor with air between the plates charged A dielectric is inserted between the plates What
will happen to its electrostatics potential Give reasons
11How does the energy stored in a capacitor change if after disconnecting the battery the plates of a charged
capacitor are moved farther
12 How does the energy stored in a capacitor change If the plates of a charged capacitor are moved farther the battery
remaining connected
THREE MARKS QUESTIONS
1A Parallel plate capacitor each with plate area A and separation lsquodrsquo is charged to a potential difference V The battery used
to charge it is then disconnected A dielectric slab of thickness d and dielectric constant K is now placed between the
plates What change if any will take place in
(i) Charge on the plates
(ii) Electric field intensity between the plates
(iii) Capacitance of the capacitor
Justify your answer in each case
2 A parallel plate capacitor is charged by a battery which is then disconnected A dielectric slab is then inserted in the space
between the plates Explain what changes if any occur in the values of
(i) potential difference between the plates
(ii)Electric field between the plates and
(iii)The energy stored in the capacitor
3In which orientation a dipole placed in a uniform electric field is in a) Stable b) Unstable Equilibrium
4A dipole of dipole movement p is present in a uniform electric field E Write the value of angle between p and E for which
the torque experienced by the dipole is minimum
5Calculate amount of work done in turning a dipole of dipole moment 3x10 -8 Cm from position of unstable equilibrium to
the position of stable equilibrium in a uniform electric field of intensity 10 3 NC
Value Based Questions-
1 In Predeeprsquos classroom the fan was running very slowly Due to which his teacher was sweating and was restless
and tired All his classmates wanted to rectify this They called an electrician who came and changed the capacitor
only after which the fan started running fast
Answer the following questions based on the above information
(i) What energy is stored in the capacitor and where
(ii)What values did the classmates have
2 Ram and Shyam went to the trade fair They were busy in a crowded corner balloons were sold A child was seen
troubling his parent and crying for something On seeing this Ram went to the child and said that he would perform
a trick with balloons Ram took two balloons and Shyam helped him to inflate and tie When the balloons were
rubbed with the sweater he was wearing they were attracted When taken nearer to wall the balloons got stuck The
child enjoyed and stopped crying
a) Give two values of Ram and Shyam
b) How did the balloons get attracted Will they repel also
FIVE MARKS QUESTIONS
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
1- derive the expression for an electric field due to an electric dipole at a point on axial and equatorial line
2- State Gauss theorem and discuss the all applications of gauss theorem
3- Derive the expression for energy stored in capacitor
4- Derive the expression for capacitance of parallel plate capacitor when dielectric slab is placed between the plates
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Chemistry
I Answer the following Questions
1 Give an example of 12-16 compound
2 What is the CN of octahedral void
3 Which out of CdCl2 and NaCl will produce Schottky defect if added to AgCl crystal
4 What are dislocations in crystals
5 How many octahedral voids are present in 1 mole of compound having cubic closed packed structure
6 A compound is formed by two elements M and N The element N forms ccp and atoms of M occupy 13rd
of tetrahedral voids what is the formula of the compound
7 What type of substances exhibit antiferromagnetism
8 Define forbidden zone in an insulator
9 Which point defect in crystals does not alter the density of the relevant solid
10 What is meant by intrinsic semi-conductors
11 Which type of semiconductor is produced when silicon is doped with boron
12 Define radius ratio What is the value of radius ratio for octahedral geometry
13 When 50 mL of ethanol and 50 mL of water are mixed predict whether the volume of the solution is
equal to greater than or less than 100 mL
14 Out of 1 M urea solution and 1 M KCl solution which has higher freezing point
15 Give one example each when Vanrsquot Hoff factor is 2 and frac12
16 Does benzoic acid also exist dimer in water
17 At the same temperature hydrogen is more soluble in water than helium Which of the two has higher KH
value
18 Two liquids A and B boil at 145 0 C and 190 0C respectively which of them has a higher vapour pressure at
80 0 C
19 Out of 01 M molal solutions of glucose and sodium chloride respectively which one will have higher
boiling point
20 What will happen to the freezing point of a solution when mercuric iodide is added to an aqueous
solution of potassium iodide
21 In the determination of molar mass of A+B- using colligative property what will be the Vanrsquot Hoff factor if
the solute is 40 dissociated
22 State the condition leading to in reverse osmosis
23 What is vanrsquot Hoff factor for a compound which undergoes tetramerization in an organic solvent
24 Define Azeotropes and explain briefly minimum boiling azeotrope by taking suitable example
25 A solution of chloroform and acetone is an example of maximum boiling azeotrope Explain
26 A doctor advised a person suffering from high blood pressure to take less quantity of salt Why
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
27 Describe the construction and working of electrochemical cell
28 What is the role of salt bridge in an electrochemical cell
29 Why does an electrochemical cell stop working after some time
30 Write the factors on which electrolytic conductance depends
II Practise 30 numericals from Solid State Solutions and Electrochemistry
III Solve NCERT Exercises of Solid State Solutions and Electrochemistry
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Biology
Q1After implantation interdigitation of maternal and foetus tissuesIdentify the tissues involved and their role Q2Human female is not fertile after menopause whereas males can produce gametes at any age after pubertyAnalyse the statement amp schematically represent comparison between gametogenesis in males and females Q3Why is breast feeding recommended during the initial period of an infantrsquos growth Give reason Q4 Explain post pollination events leading to seed production in angiosperms Q5List the different types of pollination depending upon the source of pollen grain Q6Briefly explains the events of fertilisation and implantation in an adult female Q7Comment on the role of placenta as an endocrine gland Q8Explain the importance of syngamy and meiosis in sexual life of an organism Q9Explain menstrual phases in a human female State the levels of ovarian and pituitary hormones during this phase Q10Why is follicular phase in the menstrual cycle also referred to as proliferative phase Q11Explain the events that occur in a graafian follicle at the time of ovulation Q12Draw the diagram of a section of megasporangium of angiosperm Q13Gynaecium of a flower may be apocarpous or syncarpousExplain with example Q14 How are parthenocarpic fruits produced by someplants and apomictic seeds by some othersExplain Q15 Why do farmers prefer using apomictic seeds Q16Name 2 animals that exhibit oestrus cycle Q17Write the location and functions of myometrium and endometrium Q18Where does spermatogenesis occur in human testisDescribe the process of spermatogenesis upto the formation of spermatozoa Q19Trace the path of spermatozoa from the testis upto the ejaculatory duct Q20Explain the events that occur in in a flower after the pollen grain has landed on its compatible stigma Q21State the role of oxytocin in parturitionWhat triggers its release from pituitary Q22Explain the events that follow upto fertilisation when the sperm come in contact with ovum in the fallopian tube of a human female Q23Banana fruit is said to be parthenocarpic whereas turkey is said to be parthenogeneticWhy Q24Draw the diagram of fertilised embryo sac of dicot flower Q25Explain fo2rmation of mature embryo from embryo sac Q26Explain the role of pituitary and sex hormones in the process of spermatogenesis Q27How do plants produce seeds through apomixes Q28When do oogenesis start in humans Q29 Name 3 hormones and their source linked with oogenesisHow do they effect the process of oogenesis Q30Write a short note on the structure and function of mammary glands in human beings Q31Draw a diagram of human female reproductive system and label ndash site of fertilisation of ova3 walls of uterusuterine fundus Q32Where is morulla formed in human Explain the process of development from zygote Q33Draw a labelled diagram of typical anatropous ovule Q34Mention the fate of all the components of embryo sac after fertilisation Q35Apomixis mimics sexual reproduction Do you agreeJustify your answerAlso state how does apomixes differ from polyembryony Q36How does zygote usually differ from zoospore in terms of ploidy Q37Higher organisms havec resorted to sexual reproduction inspite of complexity why Q38List 3 stratergies that a bisexual chasmogamous flower can evolve to prevent self pollination Q39 Vivipary automatically limits the noof offsprings in a litterHow Q40What is polyembryony and how it can be commercially exploited Q41What are the possible types of pollinations in chasmogamous flowersGive reasons
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Q42How does parturition takes place in human beings Q43Where are leydig cells located Q44What is pregnancy hormone Why it is so called Q45Give any 4 functions of placenta Q46How does parturition takes place in human beings Q47Explain foetal ejection reflex Q48In which part corpus luteum is formed Q49Describe hormonal control of oogenesisspermatogenesis Q50Define 1) Insemination 2) Gestation
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Computer Science
1 (a) What is the difference between call by value and call by reference Also give a suitable C++ code to illustrate both
2 (a) Differentiate between private and protected visibility modes in context of object oriented programming using suitable example illustrating each
(b) Answer the questions (i) and (ii) after going through the following class class mammal public char category[20] mammal( char xname[]) function1 strcpy(category xname) mammal(mammal ampt) function2
(i) Create an object such that it invokesfunction1 (ii) Write complete definition for function2
(c) Define a class Show in C++ with the description given below Private Members Name_of_Show of type character array(string) Date_of_release of type character array(string) Name_of_director of type character array(string) Star of type int Total_print_release of type int Public Members A constructor to assign initial values as follows Name_of_Show NULL Date_of_release 1_1_2007 Name_of_director NULL Star 2 Total_print_release 100 A function calculate_star() which caculates and assigns the value of data member Star as follows Total Print Release Star gt= 1000 5 lt 1000 amp gt=500 4 lt 500 amp gt=300 3 lt 300 amp gt=100 2 lt 100 1
A function EnterShow() to input the values of the data members Name_of_Show Date_of_release Name_of_director and Total_print_release
A function DisplayShow() which displays the contents of all the data members for a play
3 (a) Differentiate between a Logical Error and Syntax Error Also give suitable examples of each in C++
(b) Name the header file(s) that shall be needed for successful compilation of the following C++ code 1
void main( )
char Text[40]
strcpy(TextrdquoAISSCErdquo)
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
puts(Text)
(c) Rewrite the following program after removing the syntactical error(s) if any Underline each correction
include ltiostreamhgt
const int Size 5
void main()
int Array[Size]
Array = 5040302010
for(Ctr=0 CtrltSize Ctr++)
coutgtgtArray[Ctr]
(d) Find the output of the following program 2
includeltiostreamhgt
void main()
int Numbers[] = 24810
int ptr = Numbers
for (int C = 0 Clt3 C++)
coutltlt ptr ltlt ldquordquo ptr++
coutltltendl
for(C = 0 Clt4 C++)
(ptr)=2
--ptr
for(C = 0 Clt4 C++)
coutltlt Numbers C+ltlt ldquordquo
coutltltendl
(e) Find the output of the following program
includeltiostreamhgt
void Indirect(int Temp=20)
for (int 1=10 Ilt=Temp I+=5)
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
coutltltIltltrdquo ldquo
coutltltendl
void Direct (int ampNum)
Num+=10
Indirect(Num)
void main()
int Number=20
Direct(Number)
Indirect()
coutltlt ldquo Number=rdquo ltltNumberltltendl
(f) In the following C++ program what is the expected value of Myscore from Options (i) to (iv) given below Justify your answer
includeltstdlibhgt
includeltiostreamhgt
void main( )
randomize()
int Score[] = 25203456 72 63 Myscore
Myscore = Score[2 + random(2)]
coutltltMyscoreltltendl
(i) 25 (ii) 34 (iii) 20 (iv) None of the above
4 (a) Differentiate between Protected and Private members of a class in context of Inheritance using C++ 2
(b) Answer the questions (i) and (ii) after going through the following class
class Science
char Topic[20]
int Weightage
public Science ( ) Function 1
strcpy (Topic ldquoOpticsrdquo )
Weightage = 30
coutltltldquoTopic Activatedrdquo
~Science( ) Function 2
coutrsquoltltrdquoTopic Deactivatedrdquo
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
(i) Name the specific features of class shown by Function 1 and Function 2 in the above example
(ii) How would Function 1 and Function 2 get executed
(c) Define a class Travel in C++ with the description given below 4
Private Members T_Code of type string
No_of_Adults of type integer
No_of_Children of type integer
Distance of type integer
TotalFare of type float
Public Members
bull A constructor to assign initial values as follows
T_Code with the word ldquoNULLrdquo
No_of_Adults as 0
No_of_Children as 0
Distance as 0
TotalFare as 0
bull A function AssignFare( ) which calculates and assigns the value of the data member TotalFare as follows For each Adult
Fare (Rs) For Distance (Km)
500 gt=1000
300 lt1000 amp gt=500
200 lt500
For each Child the above Fare will be 50 of the Fare mentioned in the above table
For example If Distance is 750 No_of_Adults = 3 and No_of_Children = 2
Then TotalFare should be calculated as
No_of_Adults 300 + No_of_Children 150ie 3 300 + 2 150 = 1200
bull A function EnterTraveK ) to input the values of the data members
T_Code No_of_Adults No_of_Children and Distance and invoke the AssignFare( ) function
bull A function ShowTraveK) which displays the content of all the data members for a Travel
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ACCOUNTANCY
Practice Questions
CH Issue Of Shares
TOPICS
1 Issue of shares cash at par ndash Q65
2 Under Subscription ndash Q7
3 Over Subscription ndash Q810
4 Issue of shares cash at premium ndash Q1815
5 Issue of shares for consideration other than cash ndash Q222829
6 Calls in Arrear and Calls in Advance ndash Q3332
7 Forfeiture and reissue of shares which are originally issued at par ndash
Q3536374142545553
8 Forfeiture and reissue of shares which are originally issued at premium ndash
Q56575864
9 Forfeiture and reissue of shares which are issued originally issued at
premium and par ndash Q69707172737475
10 Forfeiture and reissue of shares which were allotted on pro-rata ndash
Q76778285
THEORY
(COMPANY ACCOUNTS)
1 What is Authorized Capital
2 Give the meaning of Calls in arrear and Calls in advance
3 What is the name given to the ldquoPart of Capitalrdquo of a company which is called
up only on winding up
4 Define Security Premium
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
5 At the time of forfeiture of shares with what amount the forfeited shares
amount is credited
(PARTNERSHIP)
1 What is meant by partnership
2 A group of 40 people wants to form a partnership firm they want your
advice regarding the maximum number of person that can be there in a
partnership firm and the name of the act under whose provisions it is
given
3 What advantages does firm perceive in having a partnership deed
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-BUSINESS STUDIES
MANGAEMENT
1 Meaning
2 Objective
3 Importance
4 Features
5 Level of management
6 Function
PRINCIPLE OF MANGAEMENT
1 Concept and Significance
2 TAYLORrsquoS Principles and technique
3 FAYOLrsquoS Principles and technique
MANAGEMENT AND BUSINESS ENVIRONMENT
1 Business Environment - Concept and importance
2 Dimensions of business environment- Economic Social
Technological Political amp legal
PLANNING
1 Concept Importance amp Limitations
2 Planning process
3 Single use and standing plans Objectives Strategy Policy
Procedure Method Rule Budget amp Programme
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-ECONOMICS
Revise and Write following questions on fair notebook 1 mark questions 1Define microeconomics 2Give two examples of microeconomic studies
3Give the meaning of economy
4Define Production Possibility Curve 5Why does an economic problem arise
6Give the meaning of opportunity cost 7Define utility
8Define Marginal Utility 9What is meant by consumerrsquos equilibrium 10 Define an indifference curve 11 What is meant by monotonic preferences 12 Define an indifference map 13 Define budget set
14 Define budget line 15 What is market demand
16 Give one reason for a shift in demand curve 17 What is meant by inferior goods in economics
18 What is meant by normal goods in economics
19What is demand schedule
20what do you mean by elasticity of demand 21 Give the meaning of inelastic demand 22 Why is demand for water inelastic 3 marks questions 23Give two reasons for the problem of choice 24What does the problem for whom to produce refer to
25Unemployment is reduced due the measures taken by the government State its economic value in the context of
Production Possibilities Frontier 26Large number of technical training institutions have been started by the government State its economic value in the
context of Production Possibilities Frontier 27Take the economic value achieved through the spread of education in the context Of production potential
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
28What does the rightward shift of Production Possibility Frontier indicate 29Define Production Possibility Frontier (PPF) Explain why it is downward sloping from left to right 30What is opportunity cost Explain with the help of a numerical example
31Why is a Production Possibility Frontier (PPF) concave Explain 32How does Production Possibility Frontier (PPF) is affected by unemployment in the economy Explain
33Explain properties of Production Possibility Frontier 34What is Marginal Rate of Transformation Explain With the help of an example
35Explain the conditions of consumerrsquos equilibrium with the help of utility analysis 36Explain why an indifference curve is downward sloping from left to right
378 units of a good are demanded at a price of र 7 per unit Price Elasticity of Demand is (-) 1 How many units will be
demanded if the price rises to र 8 per unit Use expenditure approach of Price Elasticity of Demand to answer this question
4 marks questions 38Production in an economy is below its potential due to unemployment Government starts employment generation schemes Explain its effect using Production Possibility Curve 39With the help of suitable example explain the problem of lsquofor whom to producersquo 4oExplain the difference between cardinal utility and ordinal utility Give example 41Explain the meaning of Diminishing Marginal Rate of Substitution with the help of a numerical example 42Define Marginal Rate of Substitution Why is an indifference curve convex 43Define a budget line When can it shift to the right marks questions 44Explain the Law of Diminishing Marginal Utility with the help of a utility schedule 45A consumer consumes only two goods Explain consumerrsquos equilibrium with the help Of Utility analysis 46A consumer consumes only two goods and is in equilibrium Show that price and demand for a good are inversely related Explain using utility analysis 47Explain why is an indifference curve (a) downward sloping and (b) convex
48State and explain the characteristics of indifference curves 49Explain the conditions of consumerrsquos equilibrium under indifference curve approach 50Explain the effect of the following on Price Elasticity of Demand of a commodity (i) Number of substitutes (ii) Nature of the commodity
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Political Science
Q1Make an assignment on topic lsquorsquo The end of Bipolarity lsquorsquo
Q2Explain the meaning of term cold war
Q3Evaluate the new international economic order of 1970rsquoS
Q4Explain Shock therapy
Q5What do you meant by SEATO and CENTO
Q6Learn chapter 123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-History
Q1Make an assignment on topic BricksBeads and Bones (Harappan Civilization )
Q2Write the features of harappan civilization
Q3Explain the social life of harappan civilization
Q4What was Dhamma
Q5Write down the names of 16b Mahajanpadas
Q6What were the functions of Chandal according to manusmriti
Q7Learn ch-123
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography
Kendriya Vidyalaya No1 Ferozepur Cantt
Holiday Home Work
Class ndashXII Subject-Geography