CLASS XII-D and E

ACCOUNTANCY

1. CBSE PROJECT FILE (PRACTICAL)

One comprehensive problem comprising preparation of

Journal,Ledger,Trial Balance ,Trading Account,Profit and Loss

Account,Balance sheet and interpretation thereof.

2. QUESTIONS FROM PREVIOUS CBSE BOARD PAPERS FROM

SCANNER (PAGE NO:- S.23 to S.50) OF T.S GREWAL’S DOUBLE

ENTRY BOOK KEEPING OF FOLLOWING CHAPTERS

A) Accounting for partnership firm-fundamentals

B) Goodwill:Nature and valuation

C) Change in Profit Sharing Ratio Among The Existing Partners

D) Admission Of a Partner

NOTE:- THESE QUESTIONS TO BE SOLVED IN HOMEWORK

NOTEBOOK

(ECONOMICS)

UNIT 1: INTRODUCTION

Q1.What are the various economic problems? Briefly explain the reasons of these problems.

Q2. Explain the problem of

A. What to produce? B. How to produce? C. For whom to produce ? with the help of an example

each.

Q3.Differentiate between a)Positive and normative economic analysis b) Micro economic and macro

economics.

Q4.What do you mean by PPC? Why is it concave to the origin?

Q5.Briefly explain the concept of opportunity cost with example.

UNIT 2: CONSUMER EQUILIBRIUM AND DEMAND

Q1.Briefly explain the various terms a)TU b)MU c)budget set d)budget line e)utility.

Q2.What is the relation between TU and MU with diagram ?

Q3.Briefly explain the Law of DMU with schedule and diagram.

Q4.Consumer equilibrium conditions in case of single commodity/double commodities with schedule

and diagram with utility approach.

Q5.Consumer equilibrium with IC approach by schedule and diagram.

Q6.Briefly explain the determinants of demand.

Q7.What is demand function? Briefly explain individual demand function and market demand function.

Q8.Differentiate between movement along the demand curve and shift in demand curve.

Q9.What is elasticity of demand ?Briefly explain how it can be measured by a)Proportionate method

b)Total expenditure method c)Geometric method.

Q10.Briefly explain any 6 Factors affecting elasticity of demand.

POLITICAL SCIENCE

OUESTION 1 Prepare PPT on the topic ‘INTERNATIONAL ORGANISATION’

OUESTION 2 what was Green Revolution? what were its results?

OUESTION 3 Describe the uneven dominance of congress at the state level.

OUESTION 4 Describe the challenges faced by India on the eve of Independence.

OUESTION 5 Write the short note on ‘India’s nuclear policy’.

OUESTION 6 How did the 1967 elections lead to rise of Non- Congressism? What were its results?

OUESTION 7 what were the factors which led to emergency of 1975? How did Indira use emergency

to promote her authoritantarism by resorting to extra constitutional dynamics?

OUESTION 8 What issues did the Dalit panthers address?

OUESTION 9 What were the main provisions of the Punjab Accord?

OUESTION 10 What is coalition politics? Describe the participatory upsurge in 1990s.

HISTORY

INDIAN HISTORY PART:- 1st

THEME:- 1st. BRICKS, BEADS AND BONES

Answer in 100-150 words.

1. What were the differences in the techniques adopted by Marshall and wheeler in studying harappan

civilization?

2. Write a note on the drainage system of the harappans.

Answer in 500 words.

3. Discuss the functions that may have been performed by rulers in harappan society.

4. Discuss how archaeologists reconstruct the past. .

THEME:- 2nd. KINGS, FARMERS AND TOWNS

Answer in 100-150 words.

1. Who were kushanas ?

2. Discuss factors responsible for the rise of magadha .

Answer in 500 words.

3. Main features of mauryan administration ?

4. Describe five features of mahajanapadas ?

THEME:- 3rd. KINSHIP,CASTE AND CLASS

Answer in 100-150 words.

1. Give two importance of manusmriti ?

2. Explain the relationship between the varna system and the occupation according to brahmanical text.

How did the brahmanas reinforce these ?

Answer in 500 words.

3. The rules of the brahmanical texts were not universally followed in ancient time. Justify giving five

evidence.

4. The Mahabharata is a good source to study the social value of ancient times. Prove it.

THEME- 4th. THINKERS, BELIEFS AND BUILDING

Answer in100-150 words.

1. What do you mean by tri- ratna.

2. Mention the teachings of mahatma Buddha ?

Answer in 500 words.

3. Discuss how and why stupas were built ?

5. Evaluate the circumstances which were responsible for the spread of Buddhism ?

6. LOCATE/FILL HISTORICAL MAP FROM CHAPTER 1 TO CHAPTER 4 AND PASTE ON YOUR HOMEWORK

NOTEBOOK.

GEOGRAPHY

1. How is human geography related to other social science?

2. Explain two disputes related to the subject matter of

geography?

3. Which part of the world have high density of population?

4. Give two examples of effects of climate on the distribution

of population in the world?

5. What is demographic transition? Explain its three stages

with example.

6. How is sex-ratio calculated?

7. Describe composition of rural and urban population.

8. What is meant by human development?

9. Distinguish between development and growth.

10. On which basis and how is human development index

calculated?

11. Why have Indian demographic called the year 1951 a

‘great divide’?

12. Name the factors which supports high density of

population.

13. Explain any five factors affecting the distribution of

population of India.

14. On map

A. Show the following in the map of the world

High density regions.

Countries of Europe and Africa with negative

growth of population.

B. Mark the following on the political map of India:

State with lowest density of population.

One such state in which the growth rate of

population is low due to a low birth rate.

15. Check the link:

https://www.youtube.com/watch?v=JMoaU8TCw1E

https://www.youtube.com/watch?v=4BbkQiQyaYc

HINDI:

PHYSICS

1. CHAPTER 1:- EXERCISE QUESTION: - 1.6, 1.8, 1.9, 1.10,

1.18, 19, 1.20.

EXAMPLE:-1.8, 1.9, 1.10, 1.11, 1.12.

2. CHAPTER 2:- EXERCISE QUESTION: - 2.2, 2.4, 2.5, 2.9.

3. CHAPTER 3:- EXERCISE QUESTION: - 3.1 TO 3.13, HOTS,

ADDITIONAL EXERCISE 3.18, 3.19, 3.20, 3.22, 3.23, and

3.24.

EXAMPLES: 3.2, 3.3, 3.4, 3.6, 3.7, 3.8, 3.9, 3.10.

QOUESTION-

1. Derive an expression for electric field due to an

electric dipole at any point on axial and equatorial

plane.

2. Derive the expression for torque experienced by an

electric dipole placed in a uniform electric field.

3. Derive the expression for the capacitance of a

parallel capacitor when it is partially filled with a

dielectric of dielectric constant K.

4. Derive the expression for the energy stored in a

capacitor and hence energy density.

5. Derive the expression for the potential due to a

dipole at any point and discuss special cases.

6. Show that and where the letters

have their usual meanings.

NOTE- Revise all the topics discussed in class for UT-

1 to be conducted on 1 July 2016.

COMPUTER SCIENCE 1. What is the difference between object oriented programming and procedural

programming? And also explain how does OOP overcome the shortcomings of traditional programming approaches?

2. Reusability of classes is one of the major properties of OOP. How is it implemented in C++?

3. How is matching done in case of function overloading? 4. Why is function overloading preferred over default arguments? Explain.

5. When will you make a function inline and why? 6. What is copy constructor? When and where a copy constructor can be used? 7. What is default constructor? Explain its advantages with help of an example. 8. Write a C++ program to input one dimensional integer array and write

functions

(i) To find the minimum, maximum, sum and average of elements in the array.

(ii) To search for a particular element in the array. 9. Write program(s) to input a string and

(i) Reverse the string and check if it is a palindrome or not.

(ii) Convert all upper case letters to lower case and vice versa.

10. Download Question Papers uploaded of Computer Science and solve question

no. 1(complete), 2(complete) and 3(a)(1-d Array) for each paper (2012, 2013,

2014,2015) on your homework copy with a mention “Summer Break Holiday

Home Work”.

11. Questions 1 to 9 are optional for those who are making presentations but Q10

is compulsory for all students.

12. Make a design of Project without File handling of any one topic chosen by you.

INSTRUCTIONS for Project work:

1. Insert the Header in the file of your Name and Page number.

2. Make the Index page – S. No, Topic Name, Page no. and Teacher’s Sig.

3. And also make the Front page - Heading is (“Project Report on- your selected

topic name”).

4. Insert the Acknowledgement, Certificate, header files used and functions made

in the project.

5. Make the Index page – S. No, content, Page no. and Teacher’s Sig.

6. Submit the Project in soft copy positively on 23/06/2016 (Thursday).

LIST OF PROJECTS OF COMPUTER SCIENCE OF CLASS XII:

(Session 2016-17)

1. Student Management System

2. Hotel/Restaurant Management System

3. Blood Banking system

4. Audio-Video Library Management System

5. Library Management system

6. Payroll Management system

7. Air-Ticketing System

8. Health Club Management system

9. Online Admission system

10. Telephone directory system

11. Retail shop system

12. Canteen Management System

13. Time-table Management System

14. Income-Tax Calculation System

15. Inventory Control System of any devices or material

16. Hospital Management System

17. Banking Management System

18. Employee Information System

19. Automation of Fees System

20. Computerized Voter System

21. ATM

22. Car showroom OR Car on Rent

23. MacDonald’s shop

24. Cafeteria

25. Car on Rent system

26. Result Analysis

27. Stream Allocation System

28. Electricity Bill Calculation System

CHEMISTRY:

VALUE ADDED QUESTIONS

SECTION : A

VARIOUS VALES ASSOCIATED

Critical thinking and self awareness, Energy conservation, Water conservation,

Critical thinking & problem analysis, Environmental conservation,Social

responsibility, Inclusion and dignity of individual, Self awareness and decision

making, Critical thinking and decision making, Social responsibility and social

justice, Appreciation of cultural values and dignity of individual, Interplay of

different cultures., Principle of equality and social justice, Scientific

attitude,Water and Environmental conservation, Self awareness, Social justice,

awareness, respect for diversity, Inclusion, Critical thinking and decision making.,

respect of multireligious and multicultural country, Self awareness, Dignity of

individual, Principle of equality and social justice

UNIT-1

SOLID STATE

Q1). Chetan asked his father, ‘’ How should a relationship be ? ‘’ His father gave

him a piece of solid Iron and said that the relationship should be like this. After

reading this passage, answer the following questions.

(i) Why do solids have a definite shape and a definite volume ?

(ii) Mention the values associated with the above conversion.

Q2). Solids have fixed shape and volume but experimentally it has been observed

that solids are also defective. Two types of defects are found in solids, namely,

point defect and line defect. After reading the above passage, answer the

following questions-

(i) What type of defect can arise when a solid is heated ?

(ii) How many types of point defects are there ?

(iii) Mention the values associated with the above information.

UNIT – 2

SOLUTIONS

Q1) Bharath went to his grandfather’s house in winter this year. As usual he went

for fishing. His grandmother told him there will be no fishes in the lake. He noticed

that it was more difficult to find fishes in winter. The fishes were deep inside the

river. Whereas in summer they were on the surface and hence he was able to catch

fishes.

a) Why are fishes on the surface in water than in the depth in summer?

b) What value can be derived from this?

Q2) Srisha wanted to keep ice creams without melting. So he had to keep it on ice

taken in a container. His grandmother advised him to pour salt on the ice.

a.) Why?

b.) What is the value in this

UNIT 3

ELECTROCHEMISTRY

Q.(1) Manu and his father went to a shop to purchase a battery for their inverter.

Shopkeeper showed them two types of batteries, one with lead plates and another

with cadmium plates. The battery with cadmium plates was more expensive than

lead battery. Manu’s father wanted to purchase lead battery as it was cheaper. After

reading the above passage, answer the following questions:

a) As a student of chemistry, why would you suggest to manu’s father to buy the

expensive cadmium plate battery. Give two reasons

b) What are the values associated with the above decision?

Q2.) Raju and his father were going in a boat in the river. Raju’s father threw away

the cell used in watches and hearing aids into the water. Raju prevented him from

doing so.

a.) As a student of chemistry, why would you advise Raju’s father not to throw the

cell in the water body.

b). What is the value associated with the above decision?

Q3) Shyam bought a dry cell which was very old. He puts it in the torch. The torch

did not glow. He found that the cell was dead. Its potential was zero.

a.) Why did this happen?

b). What value did you derive from it?

Q4) In Apollo Space programs, hydrogen-oxygen fuel cell was used.

(a) Explain why, fuel cell is preferred in space programme.?

(b) Mention the values associated with the decision of using fuel cell?

UNIT-4

CHEMICAL KINETICS

Q1) Anusha’s mother was trying hard to burn a big lump of coal faster for cooking

food. Anusha wanted to help her mother in this regard. But she was not getting

any idea. After studying chemical kinetics chapter she got the idea.

a) What idea came in her mind?

b) Explain and also write the value associated.

Q2) In the lesson chemical kinetics Robin studied about need of activation energy

and energy barrier for every chemical reaction. What is the significance of energy

barriers in chemical reactions in our life? How does this help to stop destruction of

life on the earth surface? What value is conveyed by this situation?

SECTION B

HOTS

UNIT-1-SOLID STATE

Q1) Silver crystallizes in FCC form. What is the density of Ag if the distance

between nearest Ag atoms is 288pm. (At. Mass of Ag=108gm/mol)

Q 2) In Corundum, O2–

ions from hcp and Al3+

occupy two third of octahedral

voids. Determine the formula of corundum.

UNIT-2-SOLUTION

Q 3) Two elements A and B form purely covalent compounds having molecular

formulae AB2 and AB4. When dissolved in 20g of benzene, 1g of AB2 lower the

freezing point by 2.3 K, whereas 1g of AB4 lower it by 1.3 K. The molal

depression constant for benzene is 5.1 Kkg /mol. Calculate the atomic mass of A

and B.

Q4) 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a

depression in freezing point equal to 1.62 K. Molal depression constant for

benzene is 4.9 Kkg/mol. What is the percentage association of acid if it forms

dimer in solution?

UNIT-3-ELECTROCHEMISTRY

Q 5) For concentration cell

Cu (s)/ Cu2+

(0.01M) ∥ Cu2+

(0.1M)/Cu (s)

(a) Calculate the cell potential.

(b) Will the cell generate emf when concentration becomes equal?

Q 6) For what concentration of Ag+ (aq) will the emf of the given cell be zero at

25°C if concentration of Cu2+

(aq) is 0.1M?

Given E0

Cu2+

/Cu = +0.34V and E0

Ag+/Ag = 0.81V

Cell : Cu (s) | Cu2+

(aq) || Ag+ (aq) | Ag(s)

C) Prepare investigatory project and learn scheme for salt analysis.

BIOLOGY

Do the MCQs provided (unit 1 )

1. Draw the diagrams given on

Pg no. 6 fig .1.3

Pg no. 7 fig.1.4

Pg no.12 fig.1.6 c & d

Pg no. 16 fig.1.8

Pg no.22 fig.2.3 b

Pg no.23 Fig 2.5 a & b

Pg no.25 fig. 2.7 d

Pg no. 26 fig no. 2.8 c

Pg no. 34 fig.2.3

Pg no.35 Fig 2.14 a&b

Pg no.37 fig. 2.5 a

Pg 43 fig.3.1 b

Pg 45 fig.3.3 b

Pg 46 fig.3.4 a

Pg 47 , 48 , 49 fig 3.5 , 3.6 ,3.7

Pg 52 fig.3.11

ENGLISH