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MPSC State Service 2019 · GS · Question 72 of 97

Examine the statement A and statement B. Statement ‘A’: 35% solar energy is not useful for the heating of Earth՚s surface as well as atmosphere, that heat is called “Albedo of the Earth՚s surface”. Statement ‘B’: Through Short Waves, Scattering and Reflection process of the air molecules, heat is transferred by the small dust particles, clouds and earth՚s surface in the space.

Geography

  1. AStatements ‘A’ and ‘B’ are both true and ‘B’ is the correct explanation of ‘A’.Correct
  2. BStatements ‘A’ and ‘B’ are both true and ‘B’ is not the correct explanation of ‘A’.
  3. CStatements ‘A’ is true but ‘B’ is false.
  4. DStatements ‘A’ is false but ‘B’ is true.

Answer: A. Statements ‘A’ and ‘B’ are both true and ‘B’ is the correct explanation of ‘A’.

Explanation

About 35% of solar energy is reflected (albedo) through scattering and reflection — B explains A.

Source: MPSC Rajyaseva Prelims 2019 – GS Paper I (Set A), official paper

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