ST. COLUMBUS SCHOOL
DAYAL BAGH, FARIDABAD
CLASS – XI (SCIENCE)
HOLIDAY HOMEWORK
General Instructions:1. Chemistry, Biology Maths and Computer Science Holiday Homework should be done in the
respective class work registers.
2. English Holiday Homework should be done in a Holiday Homework Notebook.
SUBJECT - ENGLISH
1A. Read any one of the following books and write its Book Review. Also write about the life and
works of the author of the book :
a) Emma by Jane Austen
b) Wuthering Heights by Charlotte Bronte
c) Ignited Minds by A.P.J Abdul Kalam
1B. Read the novel “The Canterville Ghost” by Oscar Wilde. Write the character sketch of the one
you like the best.
2. Write an article on any topic of your choice in 150 words.
3. Your school organized a workshop, to create awareness among adolescents of the various career
options. Write a short description of the event in not more than 80 words.
4. You are the Principal of a famous school in Delhi. You have come across several news items on
children being under trauma after taking part in reality shows. Bring out the harmful effects of
the glamour and glitter of these reality shows as it is robbing the children off their childhood.
Write a letter to the Editor of a local daily highlighting the harmful effects of reality shows and
the need for awareness among public - not to be carried away by the instant success and the
glamour promised. [word limit-200 words]
5. A reputed college has advertised for the post of two experienced, highly qualified Physics
Lecturers on permanent basis. You are Suhas / Sneha of 52-Wellingdon Road, Mumbai. Write a
job application for this post with complete resume. Invent all the other details.
Note : Do your Holiday Homework on ruled A4 size sheets and file them neatly. For question
no. 1 make a separate file with an attractive cover.
SUBJECT - PHYSICS
1) Make a project on " Conservation of energy " or "Thermodynamics"
2) Complete all the experiments & activities as discussed in class in the practical file .
Make two files one for practical & other for Activity, cover the file with white chart
paper & cover it with plastic Write the following detail in the files on the ruler side
of the file.
Aim, Apparatus, theory, procedure, results , precautions
SUBJECT – CHEMISTRY
A) Prepare one investigatory project on the following topics:
1) Roll No. 1 to 5
----- To Test the presence of ionic contamination in different samples of
contaminated water.
2) Roll No. 6 to 10 ----- Study the method of purification of water.
3) Roll No. 11 to 15 ----- To study the hardness of different samples of water.
4) Roll No. 16 to 20 ----- Investigation on the foaming capacity of different washing soaps and
effect of addition of sodium carbonate on them.
5) Roll No. 21 to 25 ----- To study Acidity of different samples of tea leaves.
6) Roll No. 26 to 30 ----- To compare the caffeine content in different samples of tea.
7) Roll No. 31 to 37 ----- To study the effect of acids and bases on tensile strength of fibres.
B) Do all the exercise questions of chapter 1 in fair notebook.
SUBJECT – BIOLOGY
 Do the exercise questions of chapter Morphology of flowering plants and Anatomy of
flowering plants, given at the end of the chapter.
 Study, revise and learn chapter Morphology of flowering plants and Anatomy of flowering
plants.
 Study yourself and try to understand the unit I- Diversity of living organisms.
 Make a model and a chart on any topic from your syllabus.
 Collect different specimen of the plants according to category, dry them and make samples.
a. Different types of leaves (acc. To excision, location , venation and modification ).
b. Different types of modified stem samples.
c. Different types of vegetative propagules.
SUBJECT – COMPUTER SCIENCE
Q1. Write a program to enter two numbers and display its remainder.
Q2. Write a program to enter the radius of the circle and display its circumference.(c = 22/7*r*r)
Q3. Write the output of the following program:a. int z=53;
z++;
cout<<++z;
cout<<”\n”<<--z<<z;
b. int s;
s=10+15/3*2;
cout<<++s;
c. int t=8;
t=(t+8)/(2*2);
cout<<”#T# = “<<t;
d. int a,b,c;
b=9;
c=10;
c++;
b - -;
a=b+c;
cout<<”Value of a= “<<a;
SUBJECT – PHYSICAL EDUCATION
 Complete your Practical File
 Make a First Aid Box with a Red Cross on it having the following First Aid Tools –
Thermometer, Burnol , Neosporin, Crocin, Bandage, Cotton, Band Aids.