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Board Paper of Class 12-Science 2016 Economics All India(SET 3) - Solutions

General Instructions:

 (i) All questions in both sections are compulsory. However, there is internal choice in some questions.

(ii) Marks for questions are indicated against each question.

(iii) Question No.1-5 and 16-20 are very short answer questions carrying 1 mark each. They are required to be answered in one sentence.

(iv) Question No.6-8 and 21-23 are short answer questions carrying 3 marks each. Answers to them should not normally exceed 60 words each.

(v) Question No.9-11 and 24-26 are also short answer questions carrying 4 marks each. Answers to them should not normally exceed 70 words each. 

(vi) Question No.12-15 and 27-30 are long answer questions carrying 6 marks each. Answers to them should not normally exceed 100 words each.

(vii) Answers should be brief and to the point and the above word limit be adhered to as far as possible.

  • Question 1
    Differentiated products is a characteristic of :

    (Choose the correct alternative) :

    (a) Monopolistic competition only

    (b) Oligopoly only

    (c) Both monopolistic competition and oligopoly

    (d) Monopoly VIEW SOLUTION
  • Question 2
    Demand curve of a firm is perfectly elastic under :

    (Choose the correct alternative)

    (a) Perfect competition

    (b) Monopoly

    (c) Monopolistic competition

    (d) Oligopoly VIEW SOLUTION
  • Question 3
    What happens to the difference between Total Cost and Total Variable Cost as output is increased? VIEW SOLUTION
  • Question 4
    A firm is able to sell any quantity of a good at a given price. The firm's marginal revenue will be :

    (Choose the correct alternative) :

    (a) Greater than Average Revenue

    (b) Less than Average Revenue

    (c) Equal to Average Revenue

    (d) Zero VIEW SOLUTION
  • Question 5
    When does 'shift' in supply curve take place? VIEW SOLUTION
  • Question 6
    What will be the effect of 10 percent rise in price of a good on its demand if price elasticity of demand is (a) Zero, (b) –1, (c) –2. VIEW SOLUTION
  • Question 7
    What is minimum price ceiling? Explain its implications.

    If the prevailing market price is above the equilibrium price, explain its chain of effects. VIEW SOLUTION
  • Question 8
    A consumer consumes only two goods X and Y. The marginal utilities of X and of Y is 3. Prices of X and Y are Rs 2 and Rs 1 respectively. Is consumer in equilibrium? What will be further reaction of the consumer? Give reasons. VIEW SOLUTION
  • Question 9
    Define fixed cost. Give an example. Explain with reason the behaviour of Average Fixed Cost as output is increased.

    Define marginal product. State the behaviour of marginal product when only one input is increased and other inputs are hold constant. VIEW SOLUTION
  • Question 10
    When price of a good rises from Rs 8 per unit to Rs 10 per unit, producer supplies 40 units more. Price elasticity of supply is 2. What is the quantity supplied before the price change? Calculate. VIEW SOLUTION
  • Question 11
    Distinguish between individual's demand and market demand. Name the factors affecting demand for a good by an individual. VIEW SOLUTION
  • Question 12
    Explain three properties of indifference curves. VIEW SOLUTION
  • Question 13
    Explain the implications of the following in a perfectly competitive market :

    (a) Large number of sellers

    (b) Homogeneous products.

    Explain the implications of the following in an oligopoly market :

    (a) Barriers to entry of new firms

    (b) A few or a few big sellers VIEW SOLUTION
  • Question 14
    Why do central problems of an economy arise? Explain the central problem of "for whom to produce"? VIEW SOLUTION
  • Question 15
    Examine the effect of (a) fall in the own price of good X and (b) rise in tax rate on good X, on the supply curve. Use diagrams. VIEW SOLUTION
  • Question 16
    Primary deficit equals :

    (Choose the correct alternative)

    (a) Borrowings

    (b) Interest payments

    (c) Borrowings less interest payments

    (d) Borrowings and interest payments both VIEW SOLUTION
  • Question 17
    Foreign exchange transactions which are independent of other transactions in the Balance of Payments Account are called :

    (Choose the correct alternative)

    (a) Current transactions

    (b) Capital transactions

    (c) Autonomous transactions

    (d) Accommodating transactions VIEW SOLUTION
  • Question 19
    National income is the sum of factor incomes accruing to :

    (Choose the correct alternative)

    (a) Nationals

    (b) Economic territory

    (c) Residents

    (d) Both residents and non-residents VIEW SOLUTION
  • Question 20
    What are capital receipts in a government budget. VIEW SOLUTION
  • Question 21
    What is aggregate demand? State its components.

    Explain how controlling money supply is helpful in reducing excess demand. VIEW SOLUTION
  • Question 22
    An economy is in equilibrium. Find investment expenditure:
    National Income = 1,000
    Autonomous Consumption = 100
    Marginal propensity to consume = 0.8
  • Question 23
    If real income is Rs 400 and price index is 105, calculate nominal income. VIEW SOLUTION
  • Question 24
    Explain the 'medium of exchange' function of money. How has it solved the related problem created by barter?

    Explain the 'standard of deferred payment' function of money. How has it solved the related problem created by barter? VIEW SOLUTION
  • Question 25
    Explain the role of Reverse Repo Rate in controlling credit creation. VIEW SOLUTION
  • Question 26
    Sale of petrol and diesel cars is rising particularly in big cities. Analyse its impact on gross domestic product and welfare. VIEW SOLUTION
  • Question 27
    Indian investors lend abroad. Answer the following questions :

    (a) In which sub-account and on which side of the Balance of Payments Account such lending is recorded? Give reasons.

    (b) Explain the impact of the leading on market exchange rate. VIEW SOLUTION
  • Question 28
    What is the difference between revenue expenditure and capital expenditure? Explain how taxes and government expenditure can be used to influence.


    What is the difference between direct tax and indirect tax? Explain the role of government budget in influencing allocation of resources. VIEW SOLUTION
  • Question 29
    Calculate National Income and Personal Disposable Income:
        (Rs crores)
    (i) Corporate tax 100
    (ii) Private final consumption expenditure 900
    (iii) Personal Income tax 120
    (iv) Government final consumption expenditure 200
    (v) Undistributed profits 50
    (vi) Change in stocks (–)20
    (vii) Net domestic fixed capital formation 120
    (viii) Net imports 10
    (ix) Net indirect tax 150
    (x) Net factor income from abroad (–)10
    (xi) Private income 1,000
  • Question 30
    Given saving curve, derive consumption curve and state the steps in doing so. Use diagram. VIEW SOLUTION
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