SESSION 2018-19 CLASS: XI-S · The investigatory project should contain the following headings:-...

1 | De l h i P u b l i c S c h o o l G h a z i a b a d I n t e r n a t i o n a l / HHW/ 2 0 1 8 - 1 9

SESSION 2018-19

CLASS: XI-S

GENERAL INSTRUCTIONS:

Each child has to do the homework according to the subjects opted.

Details have been intimated individually.

The Holiday Homework should be submitted by 16th

July, 2018.

ALL THE QUESTIONS GIVEN AS ASSIGMENT SHEET CAN BE DONE IN ASSIGNMENT

NOTEBOOK OR AS PER INSTRUCTIONS GIVEN.

SPECIFICATIONS:

The investigatory project should contain the following headings:-

(a) Title Page

(b) Acknowledgement Certificate

(c) Theory- Table of content

(d) Procedure

(e) Data collection

(f) Experimental details/ Theoretical Analysis

(g) Conclusion

(h) Reference

(i) Bibliography

PROJECT TO BE DONE AS DIRECTED

Help Line: Ms. Nidhi Singh Mobile No.:9999400652,

Ms. Archana Baghel Mobile No. 9971412036

Email id: [email protected], [email protected]

mailto:[email protected]

mailto:[email protected]


SUBJECT: ENGLISH

THE PORTRAIT OF A LADY

Q1. Answer the following questions in 40 words.

i. The relationship between the author and his grandmother was a warm and strong one.

Justify.

ii. Give reasons why the author's grandmother could be described as a religious lady.

iii. Describe the parting of the author from his grandmother at the railway station.

iv. How did the grandmother celebrate her grandson's homecoming?

v. How did the sparrows express their grief over the grandmother's death?

Q2. Answer the following questions in 100-125 words.

i. The author's grandmother was religious, emotionally strong and caring. Elaborate.

ii. It seemed the author's grandmother was waiting to meet her grandson before she breathed

her last. Elaborate.

A PHOTOGRAPH

Q1. Read the following extracts and answer the questions that follow.

i. The cardboard shows me how it was

When the two girl cousins went paddling,

Each one holding one of my mother's hands,

And she the big girl - some twelve years or so.

1. Who is the big girl and where is she?

a. The poet herself at home with her mother

b. The poet's mother's elder sister at the beach

c. The poet when she was young, at the beach

d. The poet's mother at the beach.

2. What do these lines reflect about the girls?

a. They had a happy, carefree childhood.

b. They were poor and rarely went out.

c. They had a happy, carefree adulthood.

d. They liked their new house near the sea.

3. What is the rhyme scheme of the stanza?

a. aabb b. abcd c. abcc d. abca

ii. All three stood still to smile through their hair

At the uncle with the camera. A sweet face,

My mother's, that was before I was born.

And the sea, which appears to have changed less,

Washed their terribly transient feet.


1. Name the poetic technique used in the first line?

a. alliteration b. pun c. metaphor d. simile

2. What does 'smile through their hair' convey?

a. The girls had untidy hair.

b. It was a windy day.

c. The girls could not see the uncle.

d. The girls were brave in difficult times.

3. What does transient feet imply?

a. The feet travel over the sea.

b. Feet are used for walking.

c. Human beings are immortal.

d. Human beings undergo changes and are mortal.

4. What is the contrast between the sea and the feet?

a. The sea is clean but the feet are unclean.

b. The sea does not travel like the feet.

c. The sea is overpowering but the feet are weak.

d. Time changes humans but there is little change in the sea.

Q2. Answer the following questions in about 40 words.

i. What does the poet recollect on seeing the photograph?

ii. Explain the adage, “…washed their terribly transient feet.”

iii. How have different stages of life been reflected in the poem?

CREATIVE WRITING

NOTICE

Q1. As the Chief Librarian of Bacon Public Library, draft a notice informing members of the

library regarding the increase in the membership fees with effect from 1st July, 2013, and the

change in timings of the library.

Q2. You have planned to organize a summer camp for the children of ages 10-14 years for

developing their creative skills in art, craft, clay-modeling, music etc., in your school during

the month of May. Draft a notice in not more than 50 words for your school notice board

giving all details. Mention the last date of registration of the students. You are

Reena/Roshan, secretary of B.V. Public School, Shimla.

Q3. Due to the sudden landslide and inclement weather, Apeejay School, Nainital has to be

closed for a week. As the Principal of the school draft a notice in about 50 words to be put

up at the main gate notice board of the school.

Q4. As the Librarian of Steward International School, Ajmer, draft a notice for the school notice

board in not more than 50 words asking all students and teachers to return the library book

they have before the beginning of examinations. Add all necessary details.

Q5. You have planned to organize a summer camp for the children of ages 10-14 years for

developing their creative skills in art, craft, clay-modeling, music etc., in your school during


the month of May. Draft a notice in not more than 50 words for your school notice board

giving all details. Mention the last date of registration of the students. You are

Reena/Roshan, secretary of S. S Public School, Chennai.

NOTICE

Q1. Incidents of quacks (untrained Doctors) pilots, untrained truck & bus drivers are on the

rise, risking the lives of innocent citizens. Write a letter to the editor suggesting ways like

deterrent punishments heavy fines and imprisonment to curb this menace.

Q2. Abduction & rape of young working girls is on the rise in the city. Write a letter to the

editor of a leading newspaper suggesting about the steps to be immediately taken by

Govt. of make our city a safer place at night for working women you are Soha/Sohan of

Kamla Nagar, Delhi.

Q3. You are Karan/ Kiran at the Sanskriti Apartments of Shastri Nagar, Rajasthan. The main

road leading to this colony has three man holes causing frequent accidents at night. There

are no street lights on the main road. Write a letter to the Editor of the Times of India

drawing attention of the government to this problem of the residents.

GRAMMAR

Q1. The following passages have not been edited. There is an error in each of the lines.

Underline the incorrect word and write the correction in the blank against the correct

blank number. The first is done as an example.

(a) Vocational Education prepares learner for jobs that are eg. learners

based on manual or practical activity. It was traditionally (i) ______________

considered non-academic or totally related to a specific (ii) ______________

trade, occupation or vocation. Hence it is sometime referred (iii) ______________

to as technical education. It is general given at the secondary (iv) ______________

or post-secondary level. It focus on development of skills (v) ______________

that are needed for specific trade and hence practical work (vi) ______________

is given great importance than bookish learning. There is (vii) ______________

an urgent need to responded to the growing skill requirement (viii) _____________

so that the momentum for the economy can be sustained. By (ix) ______________

focusing on employability, their education system can fulfill (x) ______________

the requirements of skilled manpower.

(b) In India every year 6,50,000 Engineering graduate and eg. graduates

approximately two million graduates pass out off colleges. (i) ______________

Nearly two thirds of those graduates need to be re skilled, (ii) ______________

so that they can get jobs in the industry. A developed (iii) _____________

world require knowledge workers and skilled professionals. (iv) ______________

By 2020, the develop world will have a shortage of 40 million (v) ______________

working people, says a report. According to a survey, 72 % for (vi) ______________

our population is under the age of 35 and it was estimated that (vii) ______________

300 million people among the ages of 18 and 50 seek (viii)______________

employment of any form. While 57 per cent are unemployable. (ix) ______________

46% are registered with employment exchanges with little hope (x) ______________

of finding work.


(c) One day my father took mine fishing with him. I told him that I eg. me

wasn't ready to use my own fishing pole yet, but he bought (i) ______________

two fishing poles anyway. I sit in the boat and watched the (ii) ______________

sea birds as my father untie the fishing boat from the dock (iii) ______________

and started up a motor. "What kind of birds are those funny (iv) ______________

ones with the tiny head and fat bodies?" I asked, pointing to (v) ______________

two birds not far for us. My father looked up and said, "They (vi) ______________

are pelicans. The little one look angry. It keeps flapping its (vii) ______________

wings at the big one. Looks like a big one with the yellow (viii) _____________

feathers around his eyes is the papa. That little one on the (ix) ______________

grey and white wing feathers must be her baby. The baby (x) ______________

wants to sit with him on his post."

Q2. Rearrange the following words and phrases to form meaningful sentences.

Example: of/care/is important/post-operative/quick recovery/for/a patient

Solved: Post-operative care is important for quick recovery of a patient.

(i) the/first/doctor/a diagnosis/makes/an illness/of

(ii) he or she/what/then/kind/decides/of treatment/needed/is

(iii)can/treated with/many/be/a course of drug/illnesses

(iv) may/the doctor/if/is serious/the case/operate

(i) necessary/are/growth/of/sports/for /the/ body/the

(ii) body/keep/the/fresh/and/they/fit

(iii) give/exercise/to/they/total/body/the

(iv) developing/sports/not only/a/mind/but also/help/in/his/body/child’s

(v) muscles/bones/ their/strengthen/up/their/tone /and

(i) healthy / a good night's/ simplest/ getting/ to stay / things/ one of the/ sleep is / we can

do

(ii) properly/healthy / lifestyle/ sleep/ /important / to a / and /exercising/ is as / as eating

(iii) lack / causes/ of / physical / sleep / problems / many / and / mental

(i) to ease / humans / used / plants / have / always / pains.

(ii) chemical / the plant/ active / compounds/ an immense/ store of/ world is

(iii) herbal / nearly / in origin / medicines / today are / half the/ we use

Q3. Complete the given passages using the appropriate form of the verbs given in the

brackets.

One of the greatest advances in modern technology (i) ____________ (be) the invention

of computers. They are widely (ii) _________ (use) in Industries and in Universities.

Now there is hardly any sphere of human life where computers (iii) ___________ (not

be) pressed in to service of man. We (iv) ______ _______ (head) fast on the close of this

present century towards a situation when a computer (vi) ____________ (be) as much

part of man’s daily life as a telephone or a calculator.

The daily exercise (i) ________ (last) only eleven minutes and I (ii) ___________

(propose) to do them early in the morning before anyone (iii) ___________ (get) up. The

self discipline (iv) _____________ (require) to drag myself out of bed eleven minutes

earlier than usual was considerable. Nevertheless, I (v) ____________ (manage) to creep

down into the living room for two days before anyone (vi) ______ (find) me out. After

jumping about on the carpet and twisting the human frame into uncomfortable positions, I

(vii) _______ (sit) down at the breakfast table in an exhausted condition. It (vii) ______

(be) this that betrayed me. The next morning the whole family (viii) ___________

(troop) into watch the performance.


In 1772, one year after Cook (i) ____________ (return) from his first voyage to the

Pacific, the Royal Society (ii) ___________ (hire) him for another expedition to find the

mythical Terra Australis. On his journey, Cook (iii) _________ (discover) several islands

and almost (iv) _________ (go) as far as the continent of Antarctica. He (v) ________

(make) maps of the South Pacific and (vi) ___________ (prove) that Terra Australis (vii)

___________ (exist / not) His third and last voyage for the Royal Society (viii)

________ (take) him to the west coast of North America where he (ix) _________ (try)

to find a passage between the Atlantic and Pacific. He (x) _____________ (not / can /

pass) the Bering Strait, however; the ice (xi) __________ (force) him to return to Hawaii,

which he (xii) _____________ (discover) earlier. While he and his crew (xiii)

____________ (rest) in Hawaii, some Hawaiians (xiv) ___________ (steal) one of his

boats. When cook and his men (xv) _________ (try) to get the boat back from the

natives, a violent fight (xvi) ______________ (break out) in which the natives (xvii)

_____________ (stab) James Cook to death.

SUBJECT: PHYSICS

A. (BEST OUT OF TRASH)

Let’s do some hands on activities /projects on some well known topics of physics related to the

syllabus as well:

Topics:

1. Rotational mechanics

2. Electricity

3. Magnetic effect of current

4. Ray optics-reflection, refraction,TIR

5. Surface tension

6. Wave optics-interference,diffraction,polarization

7. Projectile motion

8. Concept of centripetal force

9. Electromagnetic induction

After studying deeply about the topics given, each child is required to design a hands-on activity/

investigatory project on the using trash

This activity is of 10 marks and the rubrics are as follows:

Introduction

Creativity and originality- 3 marks

Presentation and quality of information about concept- 2 marks

Content - 2 marks

Attractiveness- 1 marks

Comprehension-1 marks

Timely submission- 1 marks

UNITS AND DIMENSIONS

Q1. If heat dissipated in a resistance can be determined from the relation:

H = I2

Rt joule , If the maximum error in the measurement of current, resistance and time are 2% ,1% , and


1% respectively, What would be the maximum error in the dissipated heat? Q2. In Vander Wall’s equation ( P + a/V

2)( V – b ) = RT. Determine the dimensions of a and b.

Q3. If X= a+ bt2 , where X is in meter and t is in second . find the unit of a and b?

Q4. Deduce the dimensional formulae for the following physical quantities.

a. Gravitational constant. b. Power

c. coefficient of viscosity d. Surface tension.

Q5. If E,M,J and G respectively denote energy, mass, angular momentum and gravitational

constant, Calculate the dimensions of EJ2 /M

5G

2

Q6. The frequency υ of vibration of stretched string depends on its length L its mass per unit

length m and the tension T in the string obtain dimensionally an expression for frequency .

Q7. A physical quantity X is given by X = A2B

3/C D , If the percentage errors of measurement in

A,B,C and D are 4%,2%,3% and 1% respectively, then calculate the % error in X.

Q8. The length of a rod measured in an experiment was found to be 2.48m, 2.46, 2.50m and 2.48

m and 2.49m, Find the average length, the absolute error in each observation and % error.

Q9. In an experiment, on the measurement of g using a simple pendulum the time period was

measured with an accuracy of 0.2 % while the length was measured with accuracy of 0.5%.

Calculate the percentage error in the value of g.

Q10. The sides of a rectangle are (10.5 ± 0.2) cm and (5.2 ± 0.1) cm. Calculate its perimeter with

error limits.

Q11. If displacement of a body s = (200 ± 5) m and time taken by it t = (20 ± 0.2) s, then find the

percentage error in the calculation of velocity.

Q12. If the error in measurement of mass of a body be 3% and in the measurement of velocity be

2%. What will be maximum possible error in calculation of kinetic energy.

Q13. The length of a rod as measured in an experiment was found to be 2.48m, 2.46m, 2.49m,

2.50 m and 2.48 m. Find the average length, absolute error and percentage error. Express

the result with error limit.

Q14. A physical quantity is measured as Q = (2.1 ± 0.5) units. Calculate the percentage error in

(i) Q2 (ii) 2Q.

Q15. Solve the following to correct significant figures

(i) 5.1 + 13.235 (ii) 7.54 + 18.1295 (iii) 14.632 – 5.52345 (iv) 3.021 X 11

Q16. Find the area of a circle of radius 3.458 cm up to correct significant figures.

Q17. If the % error in the measurement of the radius R of a sphere is 0.2%, then calculate the %

error in its volume.

MOTION IN A STRAIGHT LINE

Q1. State for each of the following physical quantities, if it is a scalar or vector:

Volume, mass, speed, acceleration, density, number of moles, velocity, angular frequency,

displacement, angular velocity

Q2. A person moves north then towards east and finally √ in south- west

direction. The displacement of the person from the origin will be ______________.

Q3. A car travels a distance to at a speed of and returns to at a speed of

. What is the average speed for the whole journey?

Q4. A man walks on a straight road from his home to a market away with a speed of

Finding the market closed, he instantly turns and walks back with a speed of

. What is the magnitude of average velocity and average speed of the man, over the

interval of time to ?

Q5. A particle moving in a straight line, covers half the distance with speed . The other

half of the distance is covered in two equal times intervals and with speed of and

respectively. What is the average speed of the particle during this motion?

Q6. A particle moving according to the equation , what is the average


velocity between time to ? (where displacement, time)

Q7. A particle moves along a straight line. At a time (in second) the distance

. How long would the particle travel before coming to rest?

Q8. The displacement- time graphs of two moving particle make angles of and with the

axis. What is the ratio of the two velocities?

Q9. Following figure shows the velocity- time graph for a car.

From the figure, answer the following question:

I. What is the initial speed of the car?

II. What is the maximum speed attained by the car?

III. Which part of the graph show zero acceleration?

IV. Which part of the graph shows varying retardation?

V. Find the distance travelled by the car in the first second

Q10. A particle starts from rest and accelerates uniformly for seconds to a speed of and

then accelerates uniformly to rest in the next seconds. Draw the velocity- time graph for

the motion. From the graph, find I) the acceleration II) the retardation III) the total distance

travelled IV) the distance travelled in the time interval from to .

Q11. The velocity time graph for a particle is shown below.

From the graph, answer the following question

I. What was the maximum speed?

II. When was the particle cruising at a constant velocity?

III. When did the particle have maximum acceleration (positive or negative)? Calculate this

acceleration.

IV. When did the particle decelerate? Calculate the deceleration.

V. Calculate the distance covered during the time intervals A) B)

C) .

Q12. The graph below represent motion of a car. What is the displacement of the car in ?


Q13. A ball is dropped from a high tower such that the distance covered by it in the last second

of its motion is same as the distance covered by it during first three seconds. Find the time

taken by ball to reach ground and height of tower. (Take )

Q14. Two cars A and B are moving with same speed of 45m/s along same direction. If a third

car C coming from the opposite direction with speed of 36m/s meets two cars in the

interval of minutes. What is the distance between cars A and B

Q15. A 120m long train is moving in a direction with a speed of 20m/s. Another train moving

with 30m/s in the opposite direction and 130m long crosses the first train. How much time

did it take to cross it?

Q16. Draw neat position- time graphs, explaining one- dimensional uniform motion of two

particles if I) they move in the same direction with equal velocities. II) they move in the

same direction and one overtakes the other. III) they approach each other from opposite

directions.

Q17. A car moving on a straight highway with speed of 126km/hr. is brought to stop within a

distance of 200m. What is the retardation of the car (assumed uniform) and how long does it

take for the car to stop?

Q18. A balloon is ascending at the rate of 4.9m/s. A pocket is dropped from the balloon when

situated at a height of 245m. How long does it take the packet to reach the ground? What is

its final velocity?

Q19. A police jeep on a petrol duty on national highway was moving with a speed of 54 km/hr.

in the same direction. It finds a thief rushing up in a car at a rate of 126 km/hr in the same

direction. Police sub – inspector fired at the car of the thief with his service revolver with a

muzzle speed of 100m/s. with what speed will the bullet hit the car of thief?

Q20. Displacement of a particle is given by the expression x = 3t2

+ 7t – 9, where x is in

meter and t is in seconds. What is acceleration?

Q21. A particle is moving along a straight line and its position is given by the relation

x = (t3 - 6t 2 -15t + 40) m

Find (a) The time at which velocity is zero.

(b) Position and displacement of the particle at that point.

(c) Acceleration for the particle at that line.

Q22. A stone is dropped from the top of a cliff and is found to travel 44.1m diving the last

second before it reaches the ground. What is the height of the cliff? g = 9.8m/s2

SUBJECT: CHEMISTRY

LEVEL I

Q1. Explain with example, limiting reagent.

Q2. What is the value of one mole?

Q3.State the Law of Conservation of Mass.

Q4. State and illustrate the Law of Constant Proportions.


Q5. At NTP, what will be the volume of molecules of 6.022 x1023

H2?

Q6. Calculate the number of molecules present in 0.5 moles of CO2?

Q7. Give one example each of a molecule in which the empirical formula and molecular formula

are(i) same (ii) different.

Q8. 1L of a gas at STP weighs 1.97g. What is molecular mass?

Q9. Write empirical formula of following

Na2CO3, KCl, C6H12, H2O2

Q10. Define one atomic mass unit (amu).

LEVEL II

Q11. Calculate the mass percentage of Na and Cl atoms in common salt.

Q12. How much CO2 is produced when 1.0 mol of carbon is burnt in 16.0 goxygen ?

Q13. 0.5 mol each of H2S and SO2are mixed together in a reaction flask in which the following

reaction takes place :

2H2S (g) + SO2(g) 2H2O (l) + 3S (s)

Calculate the number of moles of sulphur formed.

Q14. Calculate the number of electrons in 17.0 g NH3.

Q15. Calculate the mole fraction of N2when 28 g N2is mixed with 64 g O2gas. N2and H2

combine according to the following equation :

N2(g) 3H2(g) →2NH3(g)

LEVEL III

Q16. 1.82 g. of glucose (molar mass-180) is dissolved in 25g of water. Calculate

(i) the molality (ii) mole fraction of glucose and water.

Q17. Calculate the mass of sodium acetate (CH3COONa) required to make 500 mL of 0.375

molar aqueous solution. (Molar mass of sodium acetate is 82.0245 g /mol).

Q18. Calculate the concentration of nitric acid in moles per litre in a sample which has a

density, 1.41 g/mL and the mass per cent of nitric acid in it being 69%.

Q19. Define the following terms. (Write the mathematical formulas related to terms)

(i) Mass percent (ii) Molarity (iii) Molality (iv) Mole-fraction (v) Mass percent

Q20. What do you understand by significant figures? What are the rules for determining the

number of significant figures?

INVESIGATORY PROJECT

Finalise a topic for your investigatory project for Chemistry and submit a rough draft.

Do Exemplar questions 1 to 5 of Unit I

SUBJECT: BIOLOGY

(i) To Complete the attached assignments of chapter 18 and 19.

(ii) To prepare a detailed investigatory project in a file on any one of the following topics:

Investigatory Projects : To be recorded in a project file (Ruled/practical sheets)

1. Study the effect of antibiotics on the flora of digestive system


2. Study the effect of cigarette smoking on the lungs and the disorders caused due to this

habit.

3. Study various conditions which lead to cardiac arrest in humans and relate it to the

lifestyle of the individual.

4. Study the process of haemodialysis in humans

5. Study the various types of joint replacement procedures.

6. Study in detail any two disorders of the nervous system.

7. Study the effect of increased or reduced levels of thyroid hormone on human metabolism

Sub topics to be included

Introduction

Causes- 2 marks

Symptoms- 2 marks

Diagnosis - 2 marks

Treatment- 2 marks

Innovation- 2 marks

Assignment

Body fluids and circulation

1. Write a note on the following.

(i) Hypertension (ii) Coronary artery disease (iii) Angina (iv) Heart failure.

2. What are granulocytes? Name the different types of granulocytes in a normal human and

explain their functions.

3. Draw a diagram to show the internal structure of human heart. Label any two heart

chambers, any two heart valves and chordae tendinae in it

4. Why does lymph contain much less proteins than the blood plasma? Name the two

principal lymph vessels in humans.

5. Explain the chemical events that take place to form a blood clot to seal the wound?

6. What is meant by double circulation? State its significance?

7. What is stroke volume? What is its relation will cardiac output?

8. what transmits the cardiac impulse from atria to the ventricle

9. Name the leucocytes involved in:

10. (i) inflammatory reactions (ii) Allergic reactions

11. How are the two heart sounds produced during cardiac cycle ?Which one of these is of

longer duration and why?

12. What is electrocardiogram? What do P and T waves represent in a normal human

electrocardiogram?

13. What is hepatic portal vein? Give its significance.

14. Name the components of the formed elements in the blood. Mention one major function

of each

15. What is pulmonary circulation? Describe its importance. Why is the muscular wall of the

left ventricle thicker than that of right ventricle?

16. Why is it necessary to check the Rh factor of the blood of a pregnant women?

17. Describe the evolutionary change in the pattern of heart among the vertebrates.

18. How the activities of heart are regulated?

19. A presort suffering from fever is advised to lake blood test. What may happen to hisWBC

count and why?

20. Observe the structure of the human heart and answer the following questions

(i) Why do we call our heart as myogenic?

(ii) What is the significance of AV node & AV bundles in the functioning of heart?


(iii) How does lubb & dub sounds are created?

(iv) Relate cardiac cycle & the cardiac output.

EXCRETORY PRODUCTS AND THEIR ELIMINATION

1. Why tadpoles are ammonotelic whereas frogs are ureotelic?.

2. What difference in observed in ascending & descending limbs of Henle’s loop with

reference to permeability of water?

3. Describe the hormonal feed back circuit is controlling the renal functions

4. Draw a labelled diagram of human urinary system and write one function of adrenal

gland, ureter, urinary bladder kidney and urethra each.

5. Describe how urine is formed in the nephron through filtration reabsorption and

secretion.

6. Both thin and thick of segments of the ascending limb of henle’s loop transport NaCl out

to the interstitial fluid .What is the difference in their mode of transport?

7. Name the compounds that maintain the concentration gradient in the medullary

interstitium.

8. An aquarium fish and a pigeon were fed on a protein diet. In what different forms is their

waste secreted and why?

9. In what form do terrestrial reptiles excrete their nitrogenous wastes? How is this type of

secretion advantageous to the land vertebrates which lay shelled eggs ?

10. Describe the blood vessels called vasa recta found in relation to uriniferous tubules and

their function?

11. Define glomerular filtration rate. What is its value in a healthy human?

12. What is the role of ADH in kidney functioning?

13. What are the two intrinsic mechanisms that provide auto regulation of glomerular filtrate?

Explain any one of these.

14. Name two group of nephrons on the basis of their position in the kidney. How are they

different from each other?

15. How much is the filtering force required in the glomeruli? What is the nature of filtrate of

PCT?

16. Both thin & thick segments of ascending loops of Henle transport Nacl into intestinal

fluid. What is the difference in their respective mode of transport?

17. Explain how haemodialysis is done with the help of a diagram

18. What is glycosuria, ketonuria , glomerulonephritis, renal calculi.

19. (i)Where does ultrafiltration occur in the human body? Explain the process.

(ii) Draw a well labeled diagram of nephron and state the function of each part.

20. What is the role of the following in regulation of Kidney function:- (i) Hypothalamus (ii)

JGA (iii) Anti naturitic factor

SUBJECT: INFORMATICS PRACTICES

Note : Do this assignment in your assignment notebook.

Q1. What are the differences between hardware, software and firmware?

Q2. What are the major strengths and weaknesses of a computer?

Q3. State the basic units of a computer. Name the subunits that makeup the CPU, and give the

function of each unit.

Q4. What is the difference between an MICR and an OMR?

Q5. Explain the working of a dot matrix printer.

Q6. What is the difference between RAM and ROM?


Q7. Why is data bus bi-directional?

Q8. What is a port? Name some port types.

Q9. Briefly explain the significance of Input-Process-Output cycle.

Q10. What is a bit? What is a binary code?

Q11. What features of word processors make them very useful?

Q12. What is fragmentation? How does it affect computer’s performance.

Q13. Discuss the role of utility software in the context of computer performance.

Q14. Name various language processors.

Q15. Define Utility software and device driver.

Q16. Explain the functions of operating system.

Q17. Differentiate between hardware and software.

Q18. Explain the functionality of BIOS.

Q19. Differentiate between internal and external memory.

Q20. Draw a block diagram of the main units of a computer hardware system.

Q21. What are the advantages and disadvantages of using computers?

Q22. Explain the role and purpose of data and address buses.

Q23. Discuss the role of utility software in the context of computer performance.

Q24. What are the different types of threats to computer security?

Q25. What is a spam? Why has it become a big internet issue?

Q26. What is phishing?

SUBJECT: PSYCHOLOGY

Note- Do the questions and answers in the notebook

Q1. What is behaviour? Describe the two types of behaviour?

Q2. Describe the functionalist approach of Willam James.

Q3. Describe the findings of Gastalt’s psychology.

Q4. What does the behaviourism approach of psychology speaks of?

Q5. Who found the psychoanalysis theory? What was his view on human behaviour?

Q6. Name the two scientists who gave the humanistic perspective in psychology. What did

they emphasise on?

Q7. What was Piaget’s constructivism view?

Q8. What are the various themes of research and application in psychology?

Q9. What is the difference between basic psychology and applied psychology?

Q10. Differentiate between a psychologist and a psychiatrist?

Q11. Differentiate between counsellor and clinical psychologist.

Q12. Describe some of the areas of everyday life where understanding of psychology can be

put to practice.

Q13. When and how did the modern era of Indian psychology began in India?

Q14. Describe the four phases of history of modern psychology as a social science which are

given in the book written by Mr. Durganand Sinha.

Q15. Describe the different disciplines of psychology.

Q16. Describe the various themes of research and application in psychology?

Q17. Describe the four steps in conducting scientific research?

Q18. Describe the different goals of psychological enquiry.

Q19. What are the two types of observations?

Q20. Describe the three characteristics of scientific research.

Q21. Describe the steps of observational method.

Q22. Discuss the strengths and weaknesses of observation method as a method of enquiry.


SUBJECT: GEOSPATIAL TECHNOLOGY

Through school Bhuvan site open Delhi map. Locate and label any 5 monuments, 5 major roads

and important government buildings(bhuvan.nrsc.gov.in) Use point, line and area tools to mark

and name the places. Take a print out and submit as a hard copy.

SUBJECT: PAINTING

Q1. Draw five composition of Natural Scenery (landscape) and colour it.

Refrence link https://www.youtube.com/watch?v=sGVSEcLOu5I&t=1768s

or

Draw any five Still Life and colour it.

Refrence link https://www.youtube.com/watch?v=s9kXMUPl1zM&t=49s

Medium- Water colour or pastel colour.

Size half imperial

Q2. Make to canvas painting

Size 24x36 inch

Topic M.F Hussain paintings copy work and Jamini Roy painting copy work

SUBJECT: PHYSICAL EDUCATION

Project work on your main game/ sport:

Topics are as follows:

(i) History of the game

(ii) Rules and regulation of the game

(iii)Latest changes in rules (if any)

(iv) Fundamental skills of the game

(v) Terminologies of the game

(vi) Diagram of court or field with all specifications

SUBJECT: BIOTECHNOLOGY

Q1. Name any three products of modern biotech and also explain their functions.

Q2. Define the following terms:

Genetic engineering

Molecular Biology

Biochemistry

Microbiology

Q3. Draw well labeled diagram to represent biotechnology tree.

Q4. Name the first biotechnology product manufactured using RDT field?

Q5. What were the contributions of following scientist in studying fermentation:

(a) Nicholas Appert

(b) Gay Lussac

(c) Charles Cagniard-Latour

(d) Louis Pasteur

Q6. Differentiate between modern and classical biotechnology?

Q7. Explain the global scenario of biotechnology.


Q8. Write applications of biotechnology in health industry.

Q9. (i) Make a flow chart for curd formation.

(ii) Explain different fields of biotechnology?

Q10. List any five agronomic traits from biotechnology.

Q11. Do you agree that your grandmother unknowingly practiced a technique of biotechnology?

Describe the technique using a flow chart.

Q12.Explain the bioethical issues of use of Biotechnological tests and techniques.

Q13. Explain about global scenario of biotech at national as well as international level.

Q14. Biotechnology products are gaining momentum for production from previous years.

Comment.

Q15. Biotechnology can greatly promote human welfare but it can be misused to increase

sufferings of human beings. Explain the statement with any two relevant examples.

Q16. Modern Biotechnology is interdisciplinary in nature. Comment

Q17. Expand the following terms:

(i) CSIR

(ii) IARI

(iii) DBT

(iv) DST

(v) TIFAC

(vi) WTO

(vii) WIPO

Q18. What is the procedure of making curd?

Q19. Give 5 examples of traditional Lactic-fermented foods of India.

SUBJECT: DANCE

Do the Homework in your Dance Notebook

1) Write about Bhartanatyam ,Kathak, Kathakali.

2) Learn hast mudra Asamyuta and samayuta .

3) Learn shirveda and drishti veda.

4) Write about Odissi dance

SUBJECT: MUSIC


SUBJECT: MATHEMATICS

SETS

LEVEL-I

LEVEL-II


LEVEL-III


RELATIONS AND FUNCTIONS

LEVEL-I


LEVEL-II

LEVEL-III


TRIGONOMETRIC FUNCTION

LEVEL-I


LEVEL-II

LEVEL-III


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