holiday homework for class xii
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APEEJAY SCHOOL, SHEIKH SARAI-I HOLIDAY HOMEWORK – 2016
CLASS – XII
ENGLISH
1. Read the novel ‘The Invisible Man’ and write a 2 page book review. Make a colourful book jacket.
2. Write a character sketch of Griffin, Thomas Marvel, Dr. Kemp and Mr. & Mrs. Hall (1 page each)
3. Make 2 posters – Theme – Driving safe / Road Safety Rules / Say No to Drugs / Book Exhibition
4. Read the newspaper every day. Collect 5 articles on important social issues – eg. – Rising pollution, Congestion
on Delhi Roads, Underage Driving, Ways to deal with water shortage, Impact of ban on diesel Taxis.
Paste the report / article and rewrite the same in your own words.
ECONOMICS
Prepare for a revision test for 50 marks on reopening of school after the summer break on Chapters 1-5
from prescribed book.
Practise numericals based on elasticity of demand ,total and marginal utility,TPP,APP,MPP
Attempt the worksheet on elasticity of demand and production function.
COMPUTER
Project Work
Do the case study of the project of your given topic. It should include the following:
1. ANALYSIS OF THE EXISTING SYSTEM
Analysis of the manual system should also include the synopsis of the system
2. INITIATION OF THE COMPUTERIZATION
It should include the reason why and who initiates the computerization
3. NEED OF COMPUTERIZATION
It should include the purpose of automation of the system
4. MAIN MENU SCREEN
Design the main screen using C++.
5. MAIN MENU PROGRAM
Write the code to display the main menu of your project
6. DATA FILE NAME AND STRUCTURE
After going through the given topic of the project, design the database you plan to use in the project. It
should include the following:
Data variables Data type Size Purpose
7. INPUT / OUTPUT LAYOUTS
Design the forms (screens) for the input and output layouts.
MATHEMATICS
1. 5 questions everyday from calculus(minimum 150 questions) to be solved from any reference book during
holidays.
2. 2 assignment given on calculus to be solved.
PHYSICS
Electrostatics
1. What does earthing of an equipment mean?
2. What is the basic difference between earthing by induction and by conduction?
3. What do you mean by a point charge?
4. What are the properties of charges?
5. At the macroscopic level quantisation of charge can be ignored. Why?
6. Define electric field due to any charge Q.
7. What is the unit of electric field?
8. What is an electric file dline?
9. What are the properties of electric field lines?
10. What do you mean by vector area?
11. What is an electric dipole?
12. What is an electric dipole moment? What is its direction?
13. What is a point dipole?
14. What are polar and nonpolar molecules?
15. What are the important to be remebered while applying Gauss law?
Worksheet
(Electric charges and Fields, Electrostatic potential and Capacitance, Current Electricity)
1. A potentiometer consists of a wire of length 4 m and resistance 10 ohm. It is connected to a cell of emf
20V. What is the potential gradient of the wire?
2. A cell of emf 1.5 V is connected to a potentiometer, which gives a balance point of 40 cm from a
galvanometer. Then, the cell is replaced by another cell of unknown emf. Now, the balance point is 10 cm
less than the previous balance point.
3. If a bullet of mass 1 g having charge 2 micro coulomb is accelerated using a Van de Graaff generator to
acquire a speed of 20 m/s, What is the potential on the spherical shell of the generator?
4. The electric field intensity of a point P at a distance of 0.30 m from the centre of a Gaussian charged sphere
of radius 0.20 m is 2.5 × 103 N C
−1, directed radially outwards. What is the electric flux emanating through
the given Gaussian surface?
5. A positive charge q is placed at the centre of a cube. A side of the cube is 0.2 m. The electric flux through
each Gaussian surface of the cube is 4.708 × 104 N m
2 C
−1. What is the value of charge q?
6. A cell of emf 1.5 V is connected to a potentiometer, which gives a balance point of 40 cm from a
galvanometer. Then, the cell is replaced by another cell of unknown emf. Now, the balance point is 10 cm
less than the previous balance point. What is the emf of the unknown cell?
7. The potential difference between the two ends of the discharge tube of a Van de Graaff generator is 2 ×
1020
volts. If an electron is placed at one end of the discharge tube. What is the kinetic energy of the
electron on reaching the other end of the tube?
8. A 10 m long wire potentiometer is used with a Daniel cell of e.m.f. 1.1 V. Its internal resistance is 0.5Ω. If
the balance point is obtained at L = 8.28 m, then while measuring the e.m.f. of an unknown primary cell,
what will be the e.m.f. of the battery?
9. The spherical metal shell in a Van de Graff generator has a maximum potential of 5.0×104 V. If the
dielectric strength of the gas surrounding the spherical metal shell is 105 V/m, then what is the minimum
radius of the shell?
10. The given circuit consists of a resistor of unknown resistance X. For the given set-up, no current flows
through the galvanometer G. The resistance per cm of the wire AB is 0.02 Ω cm−1
. What is the value of the
current (I) flowing through the battery?
11. Determine the flux through a circular area of diameter 0.2 m due to a large plane sheet of charge having
charge density 8.85 µC. The circular area makes an angle 60o with the line perpendicular to the plane sheet.
12. A spherical conducting shell of radius R has a charge density of
field at a point P at a distance r >R from the centre of the shell?
13. If the current in the primary circuit of a potentiometer wire is 0.2A,specific resistance of the material of the
wire is 40 x 10-8
and area of cross section of wire is 8 x 10-7
m2. What is the potential gradient
along the length of the wire?
BIOTECHNOLOGY
Q1 What are rouge proteins? Write their function
Q2 How can we determine 3D shape of proteins?
Q3 Why are vanderwaal forces not significant at a distance?
Q4 Explain Ionic bonds.
Q5 What happens in sickle cell hemoglobin? How does it affect RBCs?
Q6 Define parental preparations. Why should proteins used for the therapeutic purpose purified to a high
degree?
Q7 What do you mean by
a) biological value
b) protein efficiency ratio
Q8 How is reactive serine important in chymotrypsin? Name four other enzymes where reactive serine is
involved.
Q9 How can one compare whole protein pattern in normal and abnormal cells? Give basic principal of
technique involved.
Q10 How is aqueous two phase partition carried out? How can you remove contaminants?
Q11 Write different categories of protein based products. Explain any three in detail.
Q12 What do you mean by RFLP?
Q13 Write down the name and source of DNA ligase in cloning experiments.
Q14 What do you mean by MCS?
Q15 Write down the function of DNA ligase.
Q16 What are molecular scissors?
Q17 Why do we use only type II restriction enzymes in recombinant DNA technology?
Q18 Differentiate between blunt and cohesive ends.
Q19 Define plasmids. What is their advantage to the host?
Q20 Write down components of restriction-modification system.
Q21 Draw labeled diagram to show basic steps in rDNA experiment.
Q22 How are shuttle vectors different from expression vectors?
Q23 What is a host cell? Where can we use E coli as host and why? Give the situation where we can not use
E coli as host. What is the other alternative?
HOME SCIENCE
1. Do all the questions of Part III and IV chapters 9, 10, 14 and 15 in your homework notebook
2. Complete the projects of section I.
3. Plan all the diets of chapters 9 and 10 in your practical file.
4. Prepare the samples of the following stitches : (i) Even and Uneven tacking (ii) Hemming.
5. Collect and fill the following bank form: (i) Withdrawal slip (ii) Bearer cheque (iii) Crossed cheque
(iv) Pay-in-slips for cash and cheque deposits.
6. Write recipes of 4-5 dishes in these categories: Main dishes, Supplementary dishes, Salads and Desserts.
Try and prepare few of them.
ACCOUNTANCY
1. Solve the exercises from NCERT book from the following chapters
a. Ratio Analysis
b. Cash flow statement
c. Comparative and common size income statements and Balance Sheet
2. Prepare a PROJECT strictly as per the instructions given in class. The project comprises of three parts:
i. Comprehensive Problem
ii. Specific Project I - Ratio Analysis
iii. Specific Project II - Cash Flow Statement
The Balance Sheet used for Specific Project I & II should be one printed in News Paper only.
(It is Compulsory to prepare the project as required for BOARD examination for the Practicals carrying
weightage of 20 marks.)
BUSINESS STUDIES
Prepare 2 PROJECTS strictly as per the instructions given in class. Further information is available on
www.cbse.nic.in.
In the above URL click on option ‘Academics’ . Further click on ‘CIRCULARS’ and choose the option
‘Archive’ and then choose ‘2012-Academic circulars’ given on the home page. Refer to circular number ‘Acad-
09/2012’
OR Open www.cbse.nic.in. From the homepage choose “academic website”. Click on “curriculum” and select
“senior school curriculum 2016-17 : Business studies.”
Kindly note that ’PROJECT THREE : MARKETING MANAGEMENT is compulsory'.Second topic for the
Project is optional out of the choices given i.e. Principles of management or Business Environment
(It is Compulsory to prepare the project as required for BOARD examinations and it carries a weightage of 20 marks)
LAST DATE OF SUBMITTING ALL THE ABOVE PROJECTS IS 25TH
JULY 2016.
GEOGRAPHY
(1) Complete the assignment given of chapters
(a) Nature and scope of Human Geography
(b) The world population and population composition
(c) Migration: Types, causes and consequences
(d) Transport and communication (World)
(e) Transport and communication (India)
(2) Complete the choropleth Maps and Dot maps (2 each)
POLITICAL SCIENCE
INSTRUCTIONS:
HOLIDAY HOME WORK TO BE DONE IN THE SCHOOL NOTE BOOK
CHAPTER 6 INTERNATIONAL ORGANISATIONS
1 NAME THE FIVE PERMANENT MEMBERS OF THE SECURITY COUNCIL. WHY WERE THEY
CELECTED
AS PERMANENT MEMBERS?
2 DESCRIBE THE VARIOUS PROPOSALS FOR REFORMS OF STRUCTURES AND PROCESSES OF
THE UN.
3 WHAT IS VETO POWER ? WHAT IS ITS IMPORTANCE?
4 EXPLAIN THE STEPS TAKEN TO STRENGTHEN THE UN.
5 WRITE SHORT NOTES ON WTO AND AMNESTY INTERNATIONAL
CHAPTER 7 SECURITY IN THE CONTEMPORARY WORLD
1 WHAT IS MEANT BY SECURITY ?
2 WHAT ARE THE DIFFERENT NOTIONS OF SECURITY?
3 WHICH CORE VALUES ARE ENDANGERSD BY THE MILITARY ACTION OR ATTACK BY
ANOTHER COUNTRY ?
4 WHAT ARE THE DIFFERENCES BETWEEN DETERRANCE AND DEFENCE?
HISTORY
VERY SHORT QUESTIONS.
1. How was the lower town in Mohenjodaro different from the Citadel?
2. What kind of government did the Harappan’s have?
3. Who was Megasthenes? Name the book written by him.
4. Mention the strategies used for increasing the agricultural production in the 6th
century BC.
5. What are known as Elliot Marbles?
6. What problems did Al-Biruni face in understanding Indian customs and practices?
7. Who were Andal and Karaikal Ammaiyer? What were their contributions?
8. Give reasons that led to development of a new belief of the Mahayana in Buddhism.
SHORT ANSWERS
1. How did the Harappans procure materials for craft production? Illustrate with examples.
2. Write a brief how archaeologists like John Marshall, Cunningham and R.E.M. Wheeler marked major
changes in Indian Archaeology?
3. Historians have used a variety of sources to reconstruct the history of Mauryan Empire. Comment.
4. Name the social classes which issued coins and what light does it throw on the economy of 6th
century?
5. To what extent does knowledge of Buddhist literature help in understanding the sculpture at Sanchi?
6. Discuss whether the Mahabharata could have been the work of a single author?
7. How important was gender difference in early societies?
8. Who were the Chandelas and what were the duties assigned to them according to Manusmriti?
9. How could men and women acquire wealth according to Manusmriti?
10. Why did Sanchi survive while Amarvati did not?
11. Discuss Al-Biruni’s understanding of the caste system?
12. Analyse the evidence of slavery provided by ibn-Batuta.
13. Discuss the main features of the Mauryan administration.
14. Complete the map work from the text.
PROJECT
Collect data on any one of the topics for discussion. Project work will be discussed in the month of July. Visit
National Museum and Archaeological sites and websites related to topic.
1. Town Planning and Artifacts of the Harappan Civilization.
2. Mahabharata through a Readers eyes.
3. Through the Travellers eyes.
4. Understanding the Bhakti – Sufi movement in India.
5. Depiction of Life during Mughal period through Paintings.
The evaluation would be based on –
Project Synopsis 2 marks
Data / Statistical analysis / Map work 3 marks
Visual / overall presentation 5 marks
Analysis / explanation and interpretation 5 marks
Bibliography 1 marks
Viva 4 marks
REVISION
Revise book – 1 for 3-hour test to be conducted on July 6, 2016.
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