Post on 30-Jan-2018
transcript
GDGIS(STD XII HOLIDAY HOMEWORK) Page 1
STD : XII (SCIENCE)
HOLIDAY HOMEWORK G D GOENKA INTERNATIONAL SCHOOL
SURAT
GDGIS(STD XII HOLIDAY HOMEWORK) Page 2
Dear Parents,
Holidays are time when you can connect with your child in many ways. As you are your child’s first and most
important teacher, you can encourage your child’s love of learning by participating in educational activities at
home. Working together on the activities will help your child build confidence, learn to reason and develop
skills necessary for his/her education.
• Spend quality time with your children.
• Take your child for a morning walk, talk about things you can see around.
• Make your child read a paragraph of English newspaper or English story book daily. Explain them the
meaning. Note down difficult words in a diary and write their meaning respectively. This will help your child
build good vocabulary.
• Let your child help around the house doing small jobs like dusting, cleaning the table, filling water bottles,
watering the plants etc.
• Take your child out for a movie and have fun together.
• Converse with your child in English.
• Please make sure that your child completes his/her holiday homework.
Dear Children,
• Revise all the work that is done till now of each & every subject in school.
• Improve your handwriting by writing one page of English(cursive) and Hindi on regular basis.
• Please follow the guidelines given with each subject.
• Please take care of the neatness of the work.
• Do not get the Holidays’ Homework done by an expert. It must be the effort of the child. Parents must act as
guides and facilitators but not substitutes to do the work.
• The Homework must be done systematically. Holidays’ Home work should be seen as an interesting activity
that helps in mental development of the child.
GDGIS(STD XII HOLIDAY HOMEWORK) Page 3
ENGLISH
Guide lines:-
1. Question numbers 1,2,3 and 5 will be done in the writing skill notebook.
2. Question number 4 will be done on A3 size paper. ( coloured or white)
3. The A3 sheet must have a quarter inch border.
4. Presentation should be creative.
5. Home work should be submitted on 9th June.
1. Note making for chapter 1, 2 of ‘The Invisible Man’
2. Draw the mind maps for chapter 3,4,5 of the novel
3. Write an article on the following topic in 150-200 words (any one)
A) Language is the key to one’s prison (ref.: The Last Lesson)
B) Exploitation of childhood (ref.: Lost Spring)
4. Prepare a poster on a3 size paper for the topic ‘Drug Abuse & Illicit Trafficking
5. Write a detailed summary of the poem ‘The Elementary School Classroom in a Slum
CHEMISTRY
GUIDELINES :
1. A4 size sheets to be used for the project.
2. Home work should be submitted on 13th June. 3. Content should be strictly in handwritten.
4. The sequence of project should be as follows:
Page1: Cover page (Specimen copy given in soft)
Page2: Certificate (Specimen copy given in soft)
Page3: Acknowledgement (Specimen copy given in soft)
Page4: Index page should contain the following information:
(a) Aim of the project
(b) Introduction
(c) Theory
(d) Conclusion
(e) Bibliography
Page5 onwards: Content
Students have to prepare investigatory projects on the topic given to them. Roll No. wise topic is
mentioned below.
Roll No.
Name Topic
1. Dhruv Parekh To compare foaming capacity of different soaps
2. Harsh Mehta To do a comparative study of the effectiveness of different
GDGIS(STD XII HOLIDAY HOMEWORK) Page 4
commercially available antacids.
3. Ishika Jain To dye cotton and woollen clothes with malachite green.
4. Jainam Shah To study the effects of impurities on the freezing and boiling points.
5. JainamSheth
Study of effect of potassium Bisulphate as food preservative under various conditions
6. KushalGadhiya To analyse different tooth paste for the analysis of ions
7. NiralVerma Estimation of Vitamin C in fruits and vegetables
8. Raj Sonar To compare the rates of evaporation of different liquids.
9. Vaishnavi Tank
Study of common food adulterants in fat , oil , butter, sugar, turmeric powder,chilli powder and pepper
10. Anisha Wadhwa To compare foaming capacity of different soaps
11. AnuragChoudhary
To do a comparative study of the effectiveness of different commercially available antacids.
12. Bhavya Desai To dye cotton and woollen clothes with malachite green.
13. ChandanChhaparia To study the effects of impurities on the freezing and boiling points.
14. Harsh Patel
Study of effect of potassium Bisulphate as food preservative under various conditions
15. Jay Khatri To analyse different tooth paste for the analysis of ions
16. Kartik Agarwal Estimation of Vitamin C in fruits and vegetables
17. MuskanBansal To compare the rates of evaporation of different liquids.
18. Naikaj Patel
Study of common food adulterants in fat , oil , butter, sugar, turmeric powder,chilli powder and pepper
19. NirmitDaliya To compare foaming capacity of different soaps
20. Prince Dabaria To do a comparative study of the effectiveness of different commercially available antacids.
21. Siddhi Mehrotra To dye cotton and woollen clothes with malachite green.
22. Vaishnavi Amin To study the effects of impurities on the freezing and boiling points.
PHYSICS
GUIDELINES :
1. A4 size sheets to be used for the project.
2. Home work should be submitted on 13th June. 3. Content should be strictly in handwritten.
4. The sequence of project should be as follows:
Page1: Cover page (Specimen copy given in soft)
Page2: Certificate (Specimen copy given in soft)
Page3: Acknowledgement (Specimen copy given in soft)
Page4: Index page should contain the following information:
(f) Aim of the project
(g) Introduction
GDGIS(STD XII HOLIDAY HOMEWORK) Page 5
(h) Theory
(i) Conclusion
(j) Bibliography
Page5 onwards: Content
Students have to prepare investigatory projects on the topic given to them. Roll No. wise topic is
mentioned below:
Roll No.
Name Topic
1. Dhruv Parekh
To study various factors on which the internal resistance/EMF of a cell depends.
2.
Harsh Mehta
To study the variations in current flowing in a circuit containing an LDR because of a variation in (a) the power of the incandescent lamp, used to 'illuminate' the LDR (keeping all the lamps at a fixed distance). (b) the distance of a incandescent lamp (of fixed power) used to 'illuminate' the LDR.
3. Ishika Jain
To find the refractive indices of (a) water (b) oil (transparent) using a plane mirror, an equi convex lens (made from a glass of known refractive index) and an adjustable object needle.
4. Jainam Shah
To design an appropriate logic gate combination for a given truth table.
5. JainamSheth
To investigate the relation between the ratio of (i) output and input voltage and (ii) number of turns in the secondary coil and primary coil of a self designed transformer.
6. KushalGadhiya
To investigate the dependence of the angle of deviation on the angle of incidence using a hollow prism filled one by one, with different transparent fluids.
7. NiralVerma
To estimate the charge induced on each one of the two identical styrofoam (or pith) balls suspended in a vertical plane by making use of Coulomb's law.
8. Raj Sonar
To set up a common base transistor circuit and to study its input and output characteristic and to calculate its current gain.
9.
Vaishnavi Tank
To study the factor on which the self inductance of a coil depends by observing the effect of this coil, when put in series with a resistor/(bulb) in a circuit fed up by an A.C. source of adjustable frequency.
10. Anisha Wadhwa
To construct a switch using a transistor and to draw the graph between the input and output voltage and mark the cut-off, saturation and active regions.
11. AnuragChoudhary
To study the earth's magnetic field using a tangent galvanometer.
12. Bhavya Desai
To study various factors on which the internal resistance/EMF of a cell depends.
13. ChandanChhaparia To study the variations in current flowing in a circuit containing
GDGIS(STD XII HOLIDAY HOMEWORK) Page 6
an LDR because of a variation in (a) the power of the incandescent lamp, used to 'illuminate' the LDR (keeping all the lamps at a fixed distance). (b) the distance of a incandescent lamp (of fixed power) used to 'illuminate' the LDR.
14. Harsh Patel
To find the refractive indices of (a) water (b) oil (transparent) using a plane mirror, an equi convex lens (made from a glass of known refractive index) and an adjustable object needle.
15. Jay Khatri
To design an appropriate logic gate combination for a given truth table.
16. Kartik Agarwal
To investigate the relation between the ratio of (i) output and input voltage and (ii) number of turns in the secondary coil and primary coil of a self designed transformer.
17. MuskanBansal
To investigate the dependence of the angle of deviation on the angle of incidence using a hollow prism filled one by one, with different transparent fluids.
18. Naikaj Patel
To estimate the charge induced on each one of the two identical styrofoam (or pith) balls suspended in a vertical plane by making use of Coulomb's law.
19. NirmitDaliya To set up a common base transistor circuit and to study its input and output characteristic and to calculate its current gain.
20. Prince Dabaria To study the factor on which the self inductance of a coil depends by observing the effect of this coil, when put in series with a resistor/(bulb) in a circuit fed up by an A.C. source of adjustable frequency.
21. Siddhi Mehrotra To construct a switch using a transistor and to draw the graph between the input and output voltage and mark the cut-off, saturation and active regions.
22. Vaishnavi Amin To study the earth's magnatic field using a tangent galvanometer.
BIOLOGY
GUIDELINES :
1. A4 size sheets to be used for the project.
2. Home work should be submitted on 13th June. 3. Content should be strictly in handwritten.
4. The sequence of project should be as follows:
Page1: Cover page (Specimen copy given in soft)
Page2: Certificate (Specimen copy given in soft)
Page3: Acknowledgement (Specimen copy given in soft)
Page4: Index page should contain the following information:
(k) Aim of the project
(l) Introduction
GDGIS(STD XII HOLIDAY HOMEWORK) Page 7
(m) Theory
(n) Conclusion
(o) Bibliography
Page5 onwards: Content
Students have to prepare projects on the topic given to them. Name wise topic is mentioned
below:
Roll No. Name Topic
1. Siddhi Cancer and its types
2. KartikAgrawal AIDS
3. Jay khatri Malaria
4. MuskaanBansal Invitro fertilization and its types
5. Naikajpatel Sewage Treatment Plant
6. Vaishanavi Amen Biogas: An alternative source of energy
7. Anesha Biotechnology and its applications
PHYSICAL EDUCATION
GUIDELINES:
1. Write about the following in your practical file.
2. Home work should be submitted on 9th June
1. Modified aahper test for all the items
2. Coduct barrow 3 item test on 10 students
3. Procedure for administering senior citizen fitness test 5 elderly family members
4. Procedure for asanas, benefits and contraindication for any two asanas each lifestyle disease.
5. Any one game of your choice out of the list given below. Labelled diagram of field and equipment
rules, terminologies and skills.
A. Basketball
B. Football
C. Volleyball
COMPUTER SCIENCE
GUIDELINES:
1. Write the answers in A4 size paper.
2. Presentation should be neat and tidy.
3. Home work should be submitted on 9th Jun
GDGIS(STD XII HOLIDAY HOMEWORK) Page 8
1) i) Write the names of the header files which are not necessary to execute the following
C++ code:
#include<iostream.h>
#include<stdio.h>
#include<string.h>
#include<ctype.h>
#include<math.h>
void main()
{ char c, String[ ] = " System Design ";
for(int i=0; String[i]!='\0' ;i++)
if(isdigit(String[i])
cout<<endl;
else
{
c=toupper(String[i]);
cout<<c;
}
}
ii) void main()
{ int a=5; char ch = ‘g’;
ch = toupper(ch);
cout<<setw(5)<<<sqrt(a)<<endl;
iii) void main()
{ char Msg[ ]="Sunset Gardens";
clrscr();
for (int I=5; I <strlen(Msg);I++)
{
puts(Msg); exit(0);
}
2) When a function is overloaded, there are multiple definitions of the functions. What makes the
various definitions of the function different from each other?
GDGIS(STD XII HOLIDAY HOMEWORK) Page 9
3)
i) Give the output of the following program (Assuming that all required header files are
included in the program)
void main()
{ char a[]= “Exam-2011 AheAd”;
int i; for(i=0; a[i]!= ‘\0’;i++)
{
if(a[i]>= 97 && a[i]<=122)
a[i] --;
else if(a[i]>= ‘0’ && a[i]<= ‘9’)
a[i] = a[i -1];
else if(a[i]>= ‘A’ && a[i]<= ‘Z’)
a[i]+ = 32; else a[i]= ‘#’;
} puts(a);
}
ii) Find the output of the following program segment:
int a = 5;
void demo(int x, int y, int &z)
{ a += x+y;
z = a+y;
y += x;
cout<<x<<'*'<<y<<'*'<<z<<endl;
}
void main()
{ int a = 3, b = 4;
demo(::a,a,b);
demo(::a,a,b);
}
4) Differentiate between a Run Time Error and Syntax Error. Also give suitable examples of each.
5) Write a program in C++ to take input of marks of 5 students in 4 subjects. Calculate the average
marks of each student and display them.
6) Differentiate between public and private visibility modes in context of Object Oriented
Programming using a suitable example illustrating each.
7) Write a function to count the numbers of times ‘A’ or ‘E’ appears in a string.
8) Write a function to print the sum of even numbers in a 1-d array of 10 elements. The function
should accept the array as the argument.
9) i) What do you mean by scope of a variable? How is local scope different from global
scope?
GDGIS(STD XII HOLIDAY HOMEWORK) Page 10
ii) Write any two functions available in each stdio.h and conio.h.
iii) Write any two differences between structure and class
iv) How is call by value different from call by reference?
v) How is actual parameter different from formal parameter? Give example.
vi) What do you mean by function overloading? Give example.
10) Rewrite the C++ program after removing all the syntax errors. Underlining each correction:
#include<iostream.h>
#define PI=3.14;
void main()
{
float rad, area;
cout<<’Enter Radius”<<endl;
cin<<rad;
area=PI*pow(rad,2);
cout<>”Area=”<<area;
}
11) Write a C++ program to implement linear search in an array.
INFORMATIVE PRACTICES
GUIDELINES:
1. Take printout of these IDE design question, paste in lab manual.
2. Write programs in Lab manual.
3. Home work should be submitted on 9th Jun
1) Differentiate between:
a. DROP TABLE & DROP DATADABASE
b. DROP TABLE & DROP clause of ALTER TABLE.
2) Explain the following functions with syntax, purpose and example.
a. CONCAT() , SUBSTR(),TRIM(), INSTR()
b. MID(),MOD() POW(), ROUND()
c. CURDATE(), NOW(), SYSDATE(), DAYNAME()
3) Take printout of these two tables and queries, paste in lab manual. Write answers of given
queries.
DATABASE NAME : HOSPITAL
TABLE-1 : DOCTOR
ID NAME DEPT GENDER EXPERIENCE
101 John ENT M 12
104 Smith ORTHOPEDIC M 5
GDGIS(STD XII HOLIDAY HOMEWORK) Page 11
107 George CARDIOLOGY M 10
114 Lara SKIN F 3
109 K George MEDICINE F 9
105 Johnson ORTHOPEDIC M 10
117 Lucy ENT F 3
111 Bill MEDICINE F 12
130 Morphy ORTHOPEDIC M 15
TABLE -2: SALARY
ID BASIC ALLOWANCE CONSULTATION
101 12000 1000 300
104 23000 2300 500
107 32000 4000 500
114 12000 5200 100
109 42000 1700 200
105 18900 1690 300
130 21700 2600 300
i) Display NAME of all doctors who are in “MEDICINE” having more than 10 years’ experience
from the table DOCTOR.
ii) Display gender wise total counting.
iii) Display the average salary of all doctors working in “ENT” department using the tables
DOCTOR and SALARY. Salary = BASIC + ALLOWANCE
iv) Display the minimum ALLOWANCE of female doctors.
v) Display the highest consultation fee among all male doctors.
vi) Select Dept,count(*) from doctor;
vii) Select Name, Basic, allowance from doctor, salary where doctor.id = salary.id;
viii) To display records of all the doctors in ascending order of experience.
ix) SELECT count( * ) from DOCTOR where SEX = “F”
x) SELECT NAME, DEPT, BASIC from DOCTOR, SALARY where DEPT = “ENT” and DOCTOR.ID
= SALARY.ID
MATHEMATICS
1. Prove that: cos−1 𝑥 + cos−1 {𝑥
2+
√3−3𝑥2
2}=
𝜋
3
2. Prove the following: cos[tan−1{sin(cot−1 𝑥)}] = √
1+𝑥2
2+𝑥2
GDGIS(STD XII HOLIDAY HOMEWORK) Page 12
3. If the binary operation ∗ on the set Q, is defined by 𝑎 ∗ 𝑏 = 2𝑎 + 𝑏 − 𝑎𝑏, then
find the value of 3 ∗ 4.
4. If f(x) = 8𝑥3 and g(x) = 𝑥
1
3, x∈ 𝑅, find fog(x).
5. If x, y, z [-1,1] such that sin−1 𝑥 + sin−1 𝑦 + sin−1 𝑧 =3𝜋
2, 𝑓𝑖𝑛𝑑 𝑡ℎ𝑒 𝑣𝑎𝑙𝑢𝑒 𝑜𝑓
𝑥2006 + 𝑦2007 + 𝑧2008 −9
𝑥2006+ 𝑦2007 + 𝑧2008
6. Let A = R-{3} and B = R-{2/3}. If 𝑓: 𝐴 → 𝐵, where 𝑓(𝑥) =2𝑥−4
3𝑥−9, then prove that f is a bijective function.
7. Consider the binary operations ∗: 𝑅 𝑋 𝑅 → 𝑅 𝑎𝑛𝑑 𝜗: 𝑅 𝑋 𝑅 → 𝑅 defined as 𝑎 ∗ 𝑏=|𝑎 − 𝑏| and
as 𝑎𝜗𝑏 = 𝑎 𝑓𝑜𝑟 𝑎𝑙𝑙 𝑎, 𝑏 ∈ 𝑅. Show that ‘∗ ′ is commutative but not associative, ‘𝜗′ is associative
but not commutative.
8. If the function 𝑓: [1, ∞) → [1, ∞) defined by f(x)= 2𝑥(𝑥−1) is invertible, find 𝑓−1(𝑥).
9. Find x, if(tan−1 𝑥)2 + (cot−1 𝑥)2 =5𝜋2
8
10. Consider f: {1, 2, 3} → {a, b, c} and g: {a, b, c} → {apple, ball, cat} defined as f (1) = a, f (2) = b, f (3) = c, g
(a) = apple, g (b) = ball and g (c) = cat. Find out f –1, g–1 and (g o f))–1?
11. If
50
41
2 wyx
zyx, find the value of x + y .
12. If R = {(x , y) : x + 2 y = 8 } is a relation on N , write the range of R. For what value of k, the matrix
15
32 kis not invertible?
13. If
4tantan 11
yx , x y < 1 , then write the value of x + y + x y .
14. If A is a square matrix such that A2 = A , then write the value of 7 A – ( I + A )3 , Where I is an identity matrix .
15. Show that the function f: R R, defined by 𝑓(𝑥) = 2𝑥3 − 7 , for x R is bijective.
16. If the function RRf : , 22 xxf and RRg : be given by 1,
1
x
x
xxg , find f o g and
g of and hence find fog (2) and g of ( - 3 ).
17.
For the matrix
312
321
111
A Show that A3- 6A2 +5A +11 I = 0. Hence, find A-1.
GDGIS(STD XII HOLIDAY HOMEWORK) Page 13
18. Show that if
5
3
5
7: RRf is defined by
75
43
x
xxf and
5
7
5
3: RRg is
defined by 35
47
x
xxg , then f o g = I A and g o f = I B , where
5
3 RA and
5
7 RB ; I A ( X ) = x
x BxxxIBAx , are called identity functions on set A and B respectively .
19.
Obtain the inverse of the following matrix by using elementary operations
052
503
231
.
20. Two schools A and B wants to award their selected students on values of sincerity, truthfulness and
helpfulness. The school A wants to award ` x each, ` y each and ` z each for the three respective values to
3,2 and 1 students respectively with a total award money of ` 16,000 . School B wants to spend ` 23,000 to
award its 4, 1 and 3 students on the respective values (by giving the same award money to the three values
as before). If the total amount of award for one prize on each value is ` 9,000, using matrices, find the award
money for each value .Apart from these three values, suggest one more value which should be considered
for award. (VBQ)
21. 1. Find the value of tan−1 1 + tan−1 2 + tan−1 3.
22. 2. Given that 𝑓(𝑥) = sin 𝑥 check if function 𝑓 is one-one for (i) (0, 𝜋) (ii) (−𝜋
2,
𝜋
2).
23. 3. If sin−1 𝑥 + sin−1 𝑦 =2𝜋
3, then find the value of cos−1 𝑥 + cos−1 𝑦.
24. 4. Let be a binary operation on the set N, of rational numbers, defined by 𝑎 ∗ 𝑏 = 𝑎 + 𝑏 + 10, 𝑓𝑜𝑟 𝑎, 𝑏 ∈
𝑁. Then find the identity element for ∗, if exists.
25. 5. Let A = [
1 −2 1−2 3 11 1 5
], verify that [adj A]-1= adj (A-1).