atmosphere & climatology section 6 MCQ Questions & Answers Detailed Explanation

Question : 1

Taiga forests are characteristics of

a) Tropical region

b) Equatorial region

c) Temperate region

d) Sub-tropical region

Question : 2

Which of the following statements is true about insolation?

a) On an average earth receives 1.94 calories per sq. cm per minute at the top of the atmosphere

b) Earth’s surface receives its energy as short wave electromagnetic radiation

c) All of the above

d) Total insolation received at the equator is 400% more than at poles.

Question : 3

Smog is a combination of

a) water and smoke

b) air and water vapour

c) smoke and fog

d) fire and water

Question : 4

Assertion (A):
60º-65º latitudes in both the hemispheres have a low pressure belt instead of high pressure.
Reason (R):
The low pressure areas are stable over oceans rather than on land.
Code

a) Both (A) and (R) are true, but (R) is not the correct explanation of (A)

b) Both (A) and (R) are true and (R) is the correct explanation of (A)

c) (A) is false, but (R) is true

d) (A) is true, but (R) is false

Question : 5

Which of the following are true with regard to temperature control of the atmosphere of a given place?

1. The major temperature contrasts on the earth’s surface are between landmasses and oceans.
2. During the night, the water surface cools more rapidly than the land surface.
3. Temperature generally decreases with latitude on either side of the equator.
4. The temperature rises to a maximum during summer and falls to a minimum during winter.

a) 2, 3 and 4

b) 1, 3 and 4

c) 3 and 4

d) 1 and 2

Question : 6

Examine the following statements and select the correct answer using the codes given below:

1. The atmospheric air is never completely dry.
2. Water vapour can occupy as much as 4 per cent of the atmospheric volume.
3. Water vapour in the atmosphere is always invisible.

a) 2 and 3 are correct

b) 1 and 2 are correct

c) 1, 2 and 3 are correct

d) 1 and 3 are correct