UPSC Prelims PYQs – Climatology – Atmosphere (Geography)

1. Consider the following statements:

Statement-I:

Thickness of the troposphere at the equator is much greater as compared to poles.

Statement-II:

At the equator, heat is transported to great heights by strong convectional currents.

Which one of the following is correct in respect of the above statements?

[UPSC Civil Services Exam – 2024 Prelims]

2. With reference to the Earth’s atmosphere, which one of the following statements is correct?

[UPSC Civil Services Exam – 2023 Prelims]

3. The annual range of temperature in the interior of the continents is high as compared to coastal areas. What is/are the reason(s)?

1. Thermal difference between land and water
2. Variation in altitude between continents and oceans
3. Presence of strong winds in the interior
4. Heavy rains in the interior as compared to coasts

Select the correct answer using the codes given below.

[UPSC Civil Services Exam – 2013 Prelims]

4. Normally, the temperature decreases with the increase in height from the Earth’s surface, because

1. the atmosphere can be heated upwards only from the Earth’s surface
2. there is more moisture in the upper atmosphere
3. the air is less dense in the upper atmosphere

Select the correct answer using the codes given below

[UPSC Civil Services Exam – 2012 Prelims]

5. A layer in the Earth’s atmosphere called Ionosphere facilitates radio communication. Why?

1. The presence of ozone causes the reflection of radio waves to Earth.
2. Radio waves have a very long wavelength.

Which of the statement(s) given above is/are correct?

6. Consider the following statements:

Statement-I: The temperature contrast between continents and oceans is greater during summer than in winter.

Statement-II: The specific heat of water is more than that of land surface.

Which one of the following is correct in respect of the above statements?

[UPSC Civil Services Exam – 2023 Prelims]

7. The jet aircrafts fly very easily and smoothly in the lower stratosphere. What could be the appropriate explanation?

1. There are no clouds or water vapour in the lower stratosphere.
2. There are no vertical winds in the lower stratosphere.

Which of the statement(s) given above is/are correct in this context?