VACATION HOMEWORK-2017
CLASS: XII
SUBJECT: BIOLOGY
1. Answer to Chapter wise questions based on last five year Board Question
Paper:a)Chapter: Reproduction in Organisms
b)Chapter:Sexual Reproduction in Plants
c) Chapter: Human Reproduction
d)Chapter: Reproductive Health
2.Draw neat labeled diagram of the following:Fig 2.3:Microsporangium wall layers
Fig 3.5:enlarge view of
seminiferous.tubules
Fig 3.6: structure of sperm
Fig 3.3(b) Female reproductive system
Fig 3.7: Ovary cross section
Fig 5.7:Dihybrid cross
Fig 6.4(a) Nucleosome
Fig 2.5(b):Microspore maturation
Fig 2.7(d): Anatropous Ovule
Fig 2.13:Embryo development in dicot
Fig 2.15:Seeds and false fruit
Fig 3.2: Seminiferous tubules cross
section
Fig 6.5:Hershey-chase experiment
Fig 6.5:Meselsson and stahl experiment
Note: Fig 3.3(b),3.5,3.6& 3.7 to be drawn twice.
3. Prepare Chapter- wise glossary of all abbreviation in the complete NCERT
textbook
CHEMISTRY (XII)
( THE SOLID STATE, SOLUTIONS , ELECTROCHEMISTRY & CHEMICAL KINETICS )
1. INTEXT QUESTIONS (a) SOLVED
(b) UNSOLVED
2. EXERCISE QUESTIONS (a) 5 NUMERICALS
(b) 5 THEORY QUESTIONS
3. QUESTIONS OF AISSCE PAPERS FOR LAST THREE YEARS(2015,2016,2017)
4. PLAN FOR INVESTIGATORY PROJECT.
CLASS TEST ON 25.06.2017 BASED ON THE HOMEWORK.
KENDRIYA VIDYALAYA, AFS, BIDAR
CLASS :XII
COMPUTER SC. (HOLIDAY HOME –WORK)
Q 1 WHAT WIIL BE OUTPUT OF FOLLOWING PROGRAM?
#include<iostream.h>
# include <conio.h>
void main()
{
clrscr();
int sum(int(*)(int),int);
int square(int);
int cube(int);
cout<<sum(square,4)<<endl;
cout<<sum(cube,4)<<endl;
getch();
}
int sum(int(*ptr)(int k),int n)
{
int s=0;
for(int i=1;i<=n;i++)
{
s+=(*ptr)(i);
}
return s;
}
int square(int k)
{ int sq;
sq=k*k;
return k*k;
}
int cube(int k)
{
return k*k*k;
}
Q 2) How many times will the following program will print “examination”?
#include<iostream.h>
void main( )
{
while(1)
{ cout<<”examination”}
}
Q.3)Will the following programs produce same output?
Program 1
# include<iostream.h>
# include<conio.h>
void main()
{
int x,y=1;
if((x=y)!=0)
cout<<x<<" "<<y;
getch();
}
Program 2
# include<iostream.h>
# include <conio.h>
void main()
{
int x,y=0;
if((x=y=1)==1)
cout<<x<<" "<<y;
getch();
}
Q.4)What would be contents of following after array initialization?
int A[5]={3,8 ,9}
Q.5)Suggest storage class for following variables
1.
a normal variable.
2.
a variable that should retain its value after function is over.
3.
a variable global in one & not available in another file.
Q.6)What is the difference between the constructor and normal function?
Q.7) What is the similarity between class and the constructor?
Q. 8)Define a class named Tour in C++ with following description?
Private members:
tcode integer (Ranges 6 - 10)
adults, children, distance integer
totalfare
float
AssignFare( )
A function which calculates and assign the value to data member
totalfare as follows:For adults
Fare
Distance
Rs. 500
>=1500
And fare get reduced by 25% if distance is < 1500.
For Children
For every child a fixed Rs. 50 is charged as fare.
Public members:
•
A constructor which initialized initialize all data members with 0
•
Function EnterTour() to input the values of the data members tcode, adults, children and call to AssignFare
function.
•
Function ShowTour() to print all the details of object of Travel type.
Q.9). Define a class named Admission in C++ with following description?
Private members:
admno
integer (Ranges 10-1500)
name
string of 20 characters
cls
integer
fees
float
Public members:
A constructor which initialized admno with 10, name with “NULL”, cls with 0 & fees with 0
Function getdata() to read the object of Admission type.
Function putdata() to print the details of object of admission type.
Function draw_nos() to generate the admission no. randomly to match with admno and display the detail of object.
Q.10) Class testmeout
{
int rollno;
public:
~testmeout()
//Function 1
{
cout<<rollno<<” is Leaving examination hall”<<endl;
}
testmeout()
//Function 2
{
rollno=1;
cout<<rollno<<” is appearing for examination “<<endl;
}
testmeout(int n, char name[])
//Function 3
{
rollno=n;
cout<<name<<” is in examination hall”<<endl;
}
testmeout(testmeout & t);//function 4
void mywork()
//Function 5
{
cout<<rollno<<” is attempting questions “<<endl;
}
};
i) In object oriented programming, what is Function 1 referred as and when does it get invoked?
ii) In object oriented programming, what is Function 2 referred as and when does it get invoked?
iii) In object oriented programming, what is Function 3 referred as and when does it get invoked?
iv) Write a statement so that function 3 gets executed?
Complete the definition of function 4
v) What will be the output of the above code if its main function definition is as given below (assumed the
definition of Function 4 is completed ) :
main()
{testmeout ob1;
ob1.mywork();
}
vi) Which feature of object oriented programming is demonstrated using Function 2, Function 3 and
Function 4 in the above class testmeout?
vii) What is the scope of data member (rollno) of class testmeout? What does the scope of data members
depend upon?
Q.11)Find the output of the following program :
#include<iostream.h>
#include<ctype.h>
void Secret(char Msg[ ], int N);
void main( )
{ char SMS[ ]=”rEPorTmE”;
Secret(SMS,2);
cout<<SMS<<endl;
}
void Secret(char Msg[ ], int N)
{ for(int C=0;Msg[C]!=’\0’;C++)
if(C%2= =0)
Msg[C]=Msg[C]+N;
else if(isupper(Msg[C]))
Msg[C]=tolower(Msg[C]);
else
Msg[C]=Msg[C]-N;
}
Q.12)Find the output of the following program;
#include<iostream.h>
#include<ctype.h>
void main( )
{ char Text[ ] = “Mind@work!”;
for(int I=0; Text[I]!=’\0’;I++)
{ if(!isalpha(Text[I]))
Text[I]=’*’;
else if(isupper(Text[I]))
Text[I]=Text[I]+1;
else
Text[I] = Text[I+1];
}
cout<<Text;
}
Q.13)Class welcome
{public:
welcome (int x, char ch); // constructor with parameter
welcome(); // constructor without parameter
void compute();
private:
int x;
char ch;
};
Which of the following are valid statements???
welcome obj (33, ‘a9’);
welcome obj1(50, ‘9’);
welcome obj3();
obj1= welcome (45, ‘T’);
obj3= welcome;
Q.14)Describe the methods of accessing data members and member functions of a class
in the following cases:
i.
Inside the main program
ii.
Inside a member function of the same class
iii.
Inside a member function of another class.
Q.15)What are static class members?
English
Holiday Homework Class 12th
1. Your friend, P.V Satish, has invited you to attend the wedding of his sister, Jaya. You
find that you have an important paper of pre-board examination on the day of the
wedding. Thus you cannot attend the event. Write in about 50 words a formal reply to the
invitation expressing your regret. You’re Puneet/PuneetaVij, M-114, Fort Road, Chennai.
2. You’re Vikram/Sonia, an electronics engineer who has recently returned from the US and
looking for a suitable job in the IT industry. Draft an advertisement in about 50 words for
the Situations Wanted column of a National newspaper. Your contact number is
9193949571.
3. Mountview Public School, Kalka is run by an NGO to give quality education to the
children of the deprived section of society. The principal of the school feels that the black
boards in the classrooms needs to be replaced. She decides to ask the Chairperson of the
NGO named ‘Education for all’ for funds. Write her a letter in 120-150 words. Her name
is Shweta Pandit.
4. National Book Trust organized a week-long book fair at Anna grounds, Chennai. You
visited the fair and bought a few books. You’re pleased with the arrangements,
enthusiasm of the visitors and the fact that books have not yet lost their relevance in the
world of the Internet. Write a letter in 120-150 words to the editor of a local newspaper to
express your feelings. You’re Lalit/Latha, 112, Mount Road, Chennai.
5. Every teenager has a dream to achieve something in life. What they are going to become
tomorrow depends on what our youth dream today. Write an article in 150-200 words on
‘What I want to be in life.’ You’re Simranjeet/Smitha.
6. History Society of KendriyaVidyalaya, Krishna Nagar sent a group of students to visit a
place of historical interest. You, Anand/Anita, were its leader. Write a report in about
150-200 words for the school newsletter on the tour, describing the place, it’s history,
how you reached there and all that you’ve learnt.
7. Holi is a festival of colors. It expresses pure and simple joy. Sometimes we start throwing
colored water and that too on strangers. As the head boy/girl of your school write a
speech in about 150-200 words that you will deliver in the morning assembly of your
school, describing why Holi is played and how it should be played.
8. “It is cruel to put stray dogs to sleep”. Write a debate in 150-200 words either for or
against the motion.
9. The Principal, Sunshine Public School, Dundigul, has invited the inspector of police
(Traffic) to deliver a lecture on ‘Road Safety’ in her school. Draft a notice in about 50
words informing the students to assemble in the auditorium.
10. Publicly we proclaim that dowry is an evil. Privately we want our sons to fetch good
dowries. Right from our school days we should be taught that demanding and even giving
dowry is not only illegal but immoral too. Draw a poster in about 50 words highlighting
dowry as a curse. You’re Vikram/Sonia.
11. There is a senior secondary school running right in the middle of Manu Vihar, a middle
class colony full of housing society flats. In the morning as well as in the afternoon the
road passing in front of the school is congested with school buses, mini buses, private
cars, etc. write a letter in about 120-150 words to the Dy. Commissioner (Traffic) to
provide at least two traffic police constables to regulate the traffic. You’re Gautam/Geeta,
A-21, Akashdeep Apartments, Manu Vihar, Delhi.
12. Sunshine Public School, Pune requires two sports coaches (1 male and 1 female). Each
should be degree holder in physical education as well as SAI certified coach in athletics.
You have seen there advertisement and you know that you have these qualifications.
Write an application in 120-150 words along with your resume. You’re
Praveen/Praveena, M-114, Najafgarh, Delhi.
13. After the rainy season is over mosquitoes start breeding. They cause malaria, dengue,
chickungunya etc. these diseases can sometimes prove to be fatal. As the Principal of
your school you have decided to deliver a speech on protection from mosquitoes. Write
the speech in 150-200 words.
14. “A career counsellor (not you, yourself) is the best person to guide you in the choice of a
career.” Write a debate in 150-200 words either for or against the motion
ग्रीष्मावकाश गहृ कार्य (२०१७-१८)
Mü¤ÉÉ- oÉÉUWûuÉÏÇ
1. किसी समाचार पत्र िे संपादि िो‘स्वच्छ ववद्यालय अभियान’ िे समाचार
िो प्रिाभित
िरने हे तु अनरु ोध पत्र भलखिए |
2. ‘दरू दिशन िा हमारे जीवन पर प्रिाव’ ववषय पर लगिग400 िब्दोँ में एि
ननबन्ध
भलखिए |
3. आत्मपररचय एवं पतंग िववता िा सारांि भलखिए |
4. ‘मंहगाई िे बोझ तले दबा मज़दरू ’अथवा‘िारतीय किसान िी दद
ु श िा’ ववषय पर
एि फीचर भलखिए |
CLASS- 12 HOLIDAY HOMEWORK(Deepak Sir)
TOPIC:ELECTRIC CHARGES AND FIELDS


SOLVE 30 NUMERICALS QUESTIONS BASED ON ELECTRIC CHARGES AND FIELDS
SOLVE SA-1 LAST TWO YEARS ONLY ELECTRIC CHARGES AND FIELDS
HOLIDAY HOME WORK(Mahaveer Sir)
FOR NINETH STANDRED STUDENT (A) SECTION
01)
02)
03)
04)
05)
DISSCUSS AND WRITE BELLOW POINTS
MOTION
DESCRIBING THE MOTION
EQUATION OF MOTION BY GRAPHICAL METHOD
MEASURING THE RATE OF MOTION
NINETH( B) SECTION
SOLVED ALL THE EXCERCISED PROBLEMS OF MOTION CHAPTER
NINETH( C ) SECTION
SOLVED ALL THE EXCRSISED PROBLEMS OF MOTION CHAPTER
Maths