atmosphere & climatology section 8 MCQ Questions & Answers Detailed Explanation

Question : 1

A layer in the Earth’s atmosphere called the ionosphere facilities radio communication Why?

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

a) 2 only

b) 1 only

c) Neither 1 nor 2

d) Both 1 and 2

Question : 2

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.

a) 2 and 3

b) 1 only

c) 1, 2 and 3

d) 1 and 3

Question : 3

Which one of the following is the highest cloud?

a) Stratocumulus

b) Cirrus

c) Cumulus

d) Nimbostratus

Question : 4

‘Horse latitudes’ is the term applied to the

a) polar circles

b) 0° – 5° Nand S latitudes

c) 40°– 60° Nand S latitudes

d) 30° – 40° Nand S latitudes

Question : 5

Atmosphere with excess of carbon dioxide as a result of pollution could result in

a) rise in temperature

b) fall in temperature

c) excess of ultraviolet rays reaching the earth

d) no change of temperature