Q1. Which of the following is a macroeconomic problem?
Correct Answer: Option C (Unemployment in the economy)
Concept Explanation: Macroeconomics studies economy-wide issues such as unemployment, inflation, and national income.
ExamSpark Class 12 Economics
Subject: CBSE Class 12 Economics (NCERT Full-Syllabus Practice)
Total Score
--/20
Correct
--
Incorrect
--
Unattempted
--
Correct Answer: Option C (Unemployment in the economy)
Concept Explanation: Macroeconomics studies economy-wide issues such as unemployment, inflation, and national income.
Correct Answer: Option C (Scholarship given to students by government)
Concept Explanation: Scholarships are transfer payments because they are paid without any direct productive service in return.
Correct Answer: Option C (Horizontal parallel to X-axis)
Concept Explanation: Since firms are price takers, they can sell any quantity at the prevailing market price, giving a horizontal price line.
Correct Answer: Option B (Change in consumer income)
Concept Explanation: Consumer income is a determinant of demand and causes a shift in the demand curve.
Correct Answer: Option B (Fall)
Concept Explanation: Marginal Revenue pulls Average Revenue downward when MR is less than AR.
Correct Answer: Option B (Structural unemployment)
Concept Explanation: Technological changes may make workers' skills outdated, leading to structural unemployment.
Correct Answer: Option B (\(\mathrm{Rs.\ 80,000}\))
Concept Explanation: Value Added = Value of Output - Intermediate Consumption = 1,20,000 - 40,000 = \(\mathrm{Rs.\ 80,000}\).
Correct Answer: Option C (Reduction in credit availability)
Concept Explanation: Higher repo rate increases borrowing cost for banks, reducing lending and money supply.
Correct Answer: Option C (Complementary goods)
Concept Explanation: Complementary goods are consumed together. Rise in price of one reduces demand for the other.
Correct Answer: Option D (Corporation tax)
Concept Explanation: Corporation tax is a regular source of income for the government and is included in revenue receipts.
Correct Answer: Option C (A is true, but R is false)
Concept Explanation: Monopoly exists because close substitutes are absent. The reason is false because monopoly has a single seller.
Correct Answer: Option A (Both A and R are true, and R is the correct explanation of A)
Concept Explanation: Higher \(\mathrm{CRR}\) reduces funds available for lending, lowering banks' credit creation capacity.
Correct Answer: Option B (Environmental sustainability)
Concept Explanation: Taxes discourage polluting vehicles, while subsidies encourage cleaner alternatives for sustainable development.
Correct Answer: Option B (Appreciation of rupee)
Concept Explanation: Higher inflow of foreign currency increases supply of foreign exchange, strengthening domestic currency.
Correct Answer: Option B (0.2)
Concept Explanation: \(\mathrm{MPC}+\mathrm{MPS}=1\) \(\mathrm{MPS}\) = 1 - 0.8 = 0.2.
Correct Answer: Option C (Winning a lottery prize)
Concept Explanation: Lottery winnings are transfer incomes and are not earned through productive activities.
Correct Answer: Option C (Disappear due to entry of new firms)
Concept Explanation: Free entry of firms increases supply and competition, reducing abnormal profits in the long run.
Correct Answer: Option C (Reduction in government spending)
Concept Explanation: Reducing government expenditure lowers aggregate demand and helps control inflation.
Correct Answer: Option B (Reduce demand to zero)
Concept Explanation: Under perfectly elastic demand, consumers stop purchasing completely if price rises even slightly.
Correct Answer: Option D (\(\mathrm{Rs.\ 1,200\ crore}\))
Concept Explanation: \(k=\frac{1}{1-\mathrm{MPC}}\) Multiplier = 1 / (1 - 0.75) = 4 Increase in income = 4 \(\times\) 300 = \(\mathrm{Rs.\ 1,200\ crore}\).