atmosphere & climatology section 6 MCQ Questions & Answers Detailed Explanation

Question : 1

In which of the following layer of atmosphere the absorption and scattering of the solar ultraviolet radiation takes place?

a) Stratosphere

b) Troposphere

c) Thermosphere

d) Mesosphere

Question : 2

If there is no carbon dioxide in the earth’s atmosphere, the temperature of the earth’s surface would be

a) higher than the present

b) dependent on the amount of oxygen in the atmosphere

c) the same

d) less than the present

Question : 3

The climate of North America is influenced during winter by the

a) Warm airmasses

b) Polar airmasses

c) Tropical airmasses

d) Continental airmasses

Question : 4

Assertion (A):
The environment of the equatorial regions is conducive for plants not for humans.
Reason (R):
The average annual temperature difference is very low in equatorial regions.
By using the code given below, select the correct answer.

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 statement is/are correct?

a) Corona is produced by refraction by water droplets.

b) Halo is produced by diffraction in ice crystals.

c) Though corona and halo is produced by different phenomena, the colour sequence produced in them remains the same.

d) Halo is an indication of approaching bad weather.

Question : 6

Which one of the following is the correct sequence of the climatic regions while going from Zaire to the Netherlands?

1. Equatorial climate
2. Mediterranean climate
3. Hot desert climate
4. West European climate

a) 1, 4, 2, 3

b) 1, 3, 2, 4

c) 3, 2, 1, 4

d) 2, 3, 4, 1