UPSC Prelims PYQs – Climatology – Water Cycle (Geography)

1. With reference to “water vapour”, which of the following statements is/are correct?

1. It is a gas, the amount of which decreases with altitude.
2. Its percentage is maximum at the poles.

Select the answer using the code given below:

[UPSC Civil Services Exam – 2024 Prelims]

2. Consider the following statements:

1. High clouds primarily reflect solar radiation and cool the surface of the Earth.
2. Low clouds have a high absorption of infrared radiation emanating from the Earth’s surface and thus cause warming effect.

Which of the statements given above is/are correct?

[UPSC Civil Services Exam – 2022 Prelims]

3. Why are dewdrops not formed on a cloudy night?

[UPSC Civil Services Exam – 2019 Prelims]

4. During the thunderstorm, the thunder in the skies is produced by the

1. meeting of cumulonimbus clouds in the sky
2. lightning that separates the nimbus clouds
3. violent upward movement of air and water particles

Select the correct answer using the codes given below.

[UPSC Civil Services Exam – 2013 Prelims]