ExamSpark Class 12 Economics

Mock Test 02 Performance Solutions

Subject: CBSE Class 12 Economics (NCERT Full-Syllabus Practice)

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Detailed Question Analysis

Q1. Which of the following is included in the calculation of National Income in India?

Correct Answer: Option B (Salary of a government school teacher)

Concept Explanation: Salary paid to a government teacher is payment for productive services and is included in national income. Transfer payments and second-hand sales are excluded.

Q2. In macroeconomics, the value of \(\mathrm{MPC}\) (Marginal Propensity to Consume) always lies between:

Correct Answer: Option A (0 and 1)

Concept Explanation: \(\mathrm{MPC}\) shows the proportion of additional income spent on consumption. Since people spend only a part of extra income, \(\mathrm{MPC}\) lies between 0 and 1.

Q3. Which of the following is a feature of monopolistic competition?

Correct Answer: Option C (Product differentiation)

Concept Explanation: Under monopolistic competition, firms sell differentiated products and compete through branding, quality, and advertisements.

Q4. When Average Revenue and Marginal Revenue are equal at all output levels, the market structure is:

Correct Answer: Option C (Perfect competition)

Concept Explanation: Under perfect competition, firms are price takers. Therefore, AR = MR = Price at all output levels.

Q5. Which of the following correctly explains "devaluation of currency"?

Correct Answer: Option B (Fall in external value of currency by government action)

Concept Explanation: Devaluation means official reduction in the value of domestic currency relative to foreign currencies by the government or central bank.

Q6. The government increases spending on rural roads and irrigation projects. Which economic objective is primarily targeted?

Correct Answer: Option B (Employment generation and growth)

Concept Explanation: Infrastructure spending creates jobs and improves productive capacity, leading to economic growth and employment generation.

Q7. A farmer spends \(\mathrm{Rs.\ 50,000}\) on seeds and fertilizers and sells wheat worth \(\mathrm{Rs.\ 80,000}\). The value added by the farmer is:

Correct Answer: Option A (\(\mathrm{Rs.\ 30,000}\))

Concept Explanation: Value Added = Value of Output - Intermediate Consumption = 80,000 - 50,000 = \(\mathrm{Rs.\ 30,000}\).

Q8. If \(\mathrm{CRR}\) is increased by the RBI, what is the likely impact on credit creation?

Correct Answer: Option B (Credit creation decreases)

Concept Explanation: Higher \(\mathrm{CRR}\) requires banks to keep more reserves with RBI, reducing their lending capacity and credit creation.

Q9. A consumer buys more of a good despite rise in its price because it is considered a status symbol. This violates:

Correct Answer: Option A (Law of demand)

Concept Explanation: Such goods are called Veblen goods. Higher prices may increase their desirability, creating an exception to the law of demand.

Q10. A company increases wages of workers. As a result, workers increase spending on goods and services. This situation directly reflects:

Correct Answer: Option A (Investment multiplier effect)

Concept Explanation: Higher income raises consumption expenditure, which further increases national income through the multiplier process.

Q11. Assertion (A): In a planned economy, the government plays an important role in resource allocation. Reason (R): Market forces alone may fail to achieve social welfare objectives.

Correct Answer: Option A (Both A and R are true, and R is the correct explanation of A)

Concept Explanation: Governments intervene in resource allocation because markets may ignore welfare, equity, and public goods.

Q12. Assertion (A): Average fixed cost continuously falls as output increases. Reason (R): Fixed cost remains constant irrespective of output level.

Correct Answer: Option A (Both A and R are true, and R is the correct explanation of A)

Concept Explanation: Since total fixed cost remains unchanged, dividing it over larger output reduces average fixed cost continuously.

Q13. Read the following case carefully: India experienced rising prices of essential commodities due to increase in fuel prices and transportation costs. The RBI decided to increase the repo rate. Which of the following is the most likely effect of this step?

Correct Answer: Option B (Reduction in inflationary pressure)

Concept Explanation: An increase in repo rate makes loans expensive, reducing borrowing and aggregate demand, thereby helping control inflation.

Q14. Read the passage carefully: A country imports crude oil worth more than its exports earnings. Foreign investors also withdraw funds from its stock market. Which of the following situations is most likely to occur?

Correct Answer: Option C (Depreciation of domestic currency)

Concept Explanation: Higher imports and capital outflow increase demand for foreign currency, causing depreciation of domestic currency.

Q15. If planned savings are greater than planned investment in an economy, then:

Correct Answer: Option C (Output and income tend to decrease)

Concept Explanation: Higher savings than investment reduce aggregate demand, leading to falling output, income, and employment.

Q16. Which of the following situations will NOT shift the demand curve for tea?

Correct Answer: Option D (Fall in price of tea itself)

Concept Explanation: A change in the price of tea causes movement along the demand curve, not a shift. Other factors shift the demand curve.

Q17. A firm continues producing even when it incurs losses because it can cover variable costs. In the short run, the firm should:

Correct Answer: Option B (Continue production)

Concept Explanation: A firm continues production in the short run if price covers average variable cost, helping recover part of fixed costs.

Q18. Suppose \(\mathrm{MPC}\) = 0.8. The value of investment multiplier will be:

Correct Answer: Option C (5)

Concept Explanation: \(k=\frac{1}{1-\mathrm{MPC}}\) Substituting \(\mathrm{MPC}\) = 0.8, \(k=\frac{1}{1-0.8}\) = \(\frac{1}{0.2}\) = 5.

Q19. In which of the following cases is \(\mathrm{GDP}\) likely to rise without increase in welfare?

Correct Answer: Option B (Increase in pollution-cleaning expenditure after industrial disaster)

Concept Explanation: Expenditure on disaster recovery raises \(\mathrm{GDP}\) but may not improve welfare because it compensates for damage already caused.

Q20. The central problem of an economy mainly arises because:

Correct Answer: Option C (Resources are scarce and have alternative uses)

Concept Explanation: Scarcity of resources relative to unlimited wants forces economies to make choices regarding allocation.

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