UPSC 1996 › Geography › Atmosphere & Climatology

3 questions · 1996 · answers as per the UPSC key

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Which one of the following layers of the atmosphere is responsible for the deflection of radio waves?

(a) Troposphere
(b) Stratosphere
(c) Mesosphere
(d) Ionosphere
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Answer: (d) Ionosphere

Assertion (A): Areas near the equator receive rainfall throughout the year.

Reason (R): High temperatures and high humidity cause convectional rain in most afternoons near the equator. In the context of the above two statements, which one of the following is correct?

(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not a correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
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Answer: (a) Both A and R are true and R is the correct explanation of A

High temperature and low pressure over the Indian sub-continent during the summer season, draws air from the Indian Ocean leading to the in-blowing of the

(a) Southeast monsoon
(b) Southwest monsoon
(c) Trade winds
(d) Westerlies
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Answer: (b) Southwest monsoon