Download CBSE Guess Paper Biotechnology Class XII (12th) 2008

Guess Paper- 2008

Class- XII

Subject – Economics

(SET-1)

Time: 3 Hrs                                                                  M.Marks: 100

GENERAL INSTRUCTION:

1.    All questions are compulsory.

2.    ‘One’ mark questions are to be answered in about a sentence.

3.    Three marks questions are to be answered in approx. 60 words.

4.    Four marks questions are to be answered in approx. 80 words.

5.    Six marks questions are to be answered in approx.120 words.

6.    Word limits do not apply to numerical questions.

SECTION – A

Q1 Answer the following:-

a)    Name the market situation in which the AR and MR curve are more than unit elastic?

b)    Give the profit maximization situation in case of producer equilibrium.

c)    If two demand curve intersects which will have more elasticity.

d)    Define consumer equilibrium

e)    What is meant by the term ‘Market’                                             (1X5)

Q2 Explain with the help of a diagram the situations of inefficient and efficient utilization   of resources of an economy                                                            3

Q3 How does the availability of close substitute of a good affect the price elasticity of  Demand of that good? Explain.                                                     3

Q4 Explain the effect of technology changes on the supply of a product.   3

Q5 Explain the feature ‘Differentiated products’ of a market with monopolistic competition?                                                                                                   3

Q6 What changes will take place in MR when

a)    TR increases at an increasing rate .

b)    TR increases at a diminishing rate.                                                     3

Q7 Calculate AVC at each level of output.

OUTPUT           MC

1        40

2        30

3        35

4        39                                                                                   4

Q8 What is meant by returns to a factor ? What leads to increasing returns to a factor?  4

Q9  Explain the relationship between TR and MR with the help of a revenue schedule.? 4

Q10 Distinguish between perfect competition and monopoly .Why is the demand curve facing a firm under perfect competition perfectly elastic?                                              6

Q11 Explain the chain of effects on demand , supply, price of a commodity caused by a leftward shift of demand curve. Use diagram.                                                                6

Q12  Explain the following :-

a)    Law of diminishing Marginal utility

b)    Exception to law of demand.                                                                           (2,4)

SECTION B

Q13 Answer the following

a)    Give the example of Macro variables

b)    Define Transfer payment

c)    What ids meant by Marginal efficiency off capital

d)    Define revenue deficit in Govt. Budget

e)    If the value of MPS is =0.1  calculate value of multiplier                              (1X5)

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