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Board Paper of Class 12-Commerce 2017 Economics (SET 2) - 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 2
    A seller cannot influence the market price under (Choose the correct alternative)  (1)

    (a) Perfect competition

    (b) Monopoly

    (c) Monopolistic competition

    (d) All of the above VIEW SOLUTION

  • Question 3
    Any statement about demand for a good is considered complete only when the following is/are mentioned in it (Choose the correct alternative):  (1)

    (a) Price of the good

    (b) Quantity of the good

    (c) Period of time

    (d) All of the above VIEW SOLUTION

  • Question 4
    State any one feature of monopolistic competition.  (1) VIEW SOLUTION

  • Question 5
    Demand for a good is termed inelastic through the expenditure approach when if (Choose the correct alternative)  (1)

    (a) Price of the good falls, expenditure on it rises

    (b) Price of the good falls, expenditure on it falls

    (c) Price of the good falls, expenditure on it remains unchanged

    (d) Price of the good rises, expenditure on it falls VIEW SOLUTION

  • Question 6
    Distinguish between 'increase in demand' and 'increase in quantity demanded' of a good.  (3)

  • Question 7
    Explain the problem of "for whom to produce".  (3) VIEW SOLUTION

  • Question 8
    Give the meaning and characteristics of production possibility frontier.  (3) VIEW SOLUTION

  • Question 9
    Define market supply. Explain the factor 'input prices' that can cause a change in supply. (4)

    Give the behaviour of marginal product and total product as more and more units of only one input are employed while keeping other inputs as constant. (4) VIEW SOLUTION

  • Question 10
    Explain "perfect knowledge about the markets" feature of perfect competition. (4) VIEW SOLUTION

  • Question 11
    Explain with the help of a numerical example, the meaning of diminishing marginal rate of substitution.  (4) VIEW SOLUTION

  • Question 12
    Distinguish between perfect oligopoly and imperfect oligopoly. Also explain the "interdependence between the firms" feature of oligopoly. (6)

    Explain the meaning of excess demand and excess supply with the help of a schedule. Explain their effect on equilibrium price. (6) VIEW SOLUTION

  • Question 13
    Complete the following table :    (6)
    Cost (Rs)
    Cost (Rs)
    Cost (Rs)
    Cost (Rs)
    0 30      
    1 ...... ...... 25 30
    2 78 ...... ...... ......
    3 ...... 23 ...... 10
    4 ...... ...... 23 ......
    5 150 ...... ...... 6

  • Question 14
    From the following table find out the level of output at which the producer will be in equilibrium (use marginal cost and marginal revenue approach). Give reasons for your answer.    (6)
    Output (Units) 1 2 3 4 5
    Total Revenue (Rs) 16 30 42 52 60
    Total Cost (Rs) 14 27 39 49 61

  • Question 15
    When the price of a good rises from Rs 10 per unit to Rs 12 per unit, its quantity demanded falls by 20 percent. Calculate its price elasticity of demand. How much would be the percentage change in its quantity demanded, if the price rises from Rs 10 per unit to Rs 13 per unit?   (6) VIEW SOLUTION

  • Question 16
    Define marginal propensity to consume.  (1) VIEW SOLUTION

  • Question 18
    What is meant by depreciation of domestic currency?  (1) VIEW SOLUTION

  • Question 19
    Demand deposits include (Choose the correct alternative):  (1)

    (a) Saving account deposits and fixed deposits

    (b) Saving account deposits and current account deposits

    (c) Current account deposits and fixed deposits

    (d) All types of deposits VIEW SOLUTION

  • Question 20
    If the marginal propensity to consume is greater than marginal propensity to save, the value of the multiplier will be (Choose the correct alternative)  (1)

    (a) greater than 2

    (b) less than 2

    (c) equal to 2

    (d) equal to 5 VIEW SOLUTION

  • Question 21
    Explain the circular flow of income.   (3) VIEW SOLUTION

  • Question 22
    Distinguish between direct taxes and indirect taxes. Give an example of each.  (3) VIEW SOLUTION

  • Question 23
    Explain "difficulty in storing wealth" problem faced in the barter system of exchange.  (3)

    Explain the "medium of exchange" function of money.  (3) VIEW SOLUTION

  • Question 24
    Explain how government budget can be helpful in bringing economic stabilization in the economy.  (4) VIEW SOLUTION

  • Question 25
    Explain the "bankers' bank" function of the central bank.  (4)

    Explain the process of credit creation by commercial banks.  (4) VIEW SOLUTION

  • Question 26
    An economy is in equilibrium. From the following data, calculate the marginal propensity to save :  (4)

    (a) Income = 10,000

    (b) Autonomous consumption = 500

    (c) Consumption expenditure = 8,000 VIEW SOLUTION

  • Question 27
    Given a consumption curve, outline the steps required to be taken in deriving a saving curve from it. Use diagram. VIEW SOLUTION

  • Question 28
    Explain the precautions that are taken while estimating national income by value added method.  (6)

    Will the following be included in the national income of India? Give reasons for your answer.  (6)

    (a) Financial assistance to flood victims

    (b) Profits earned by the branches of a foreign bank of India

    (c) Salaries of Indians working in the American Embassy in India VIEW SOLUTION

  • Question 29
    Calculate the (a) Net National Product at market price, and (b) Gross National Disposable Income:    (6)
        (Rs in crores)
    (i) Mixed income of self-employed 8,000
    (ii) Depreciation 200
    (iii) Profit 1,000
    (iv) Rent 600
    (v) Interest 700
    (vi) Compensation of employees 3,000
    (vii) Net indirect taxes 500
    (viii) Net factor income to abroad 60
    (ix) Net exports (–) 50
    (x) Net current transfers to abroad 20

  • Question 30
    Distinguish (a) between current account and capital account, and (b) between autonomous transactions and accommodating transactions of balance of payments account.  (6) VIEW SOLUTION
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