atmosphere & climatology section 4 MCQ Questions & Answers Detailed Explanation

Question : 1

The most prominent gases in the atmosphere, in terms of volume, are

a) nitrogen and oxygen

b) nitrogen and methane

c) hydrogen and nitrogen

d) oxygen and carbon dioxide

Question : 2

“Each day is more or less the same, the morning is clear and bright with a sea breeze; as the Sun climbs high in the sky, heat mounts up, dark clouds form, then the rain comes with thunder and lightning. But rain is soon over”.
Which of the following regions is described in the above passage?

a) Equatorial

b) Savannah

c) Mediterranean

d) Monsoon

Question : 3

What is the importance of ozone in the atmosphere?

a) It provides condensation nuclei.

b) It provides protection against ultraviolet radiation.

c) It helps scatter blue light.

d) It creates the greenhouse effect on earth.

Question : 4

Heat gain through insolation and heat loss through terrestrial radiation are equal approximately at which latitude ?

a) 40½° North and South

b) 22½° North and South

c) 66½° North and South

d) 42½° North and South

Question : 5

Mid-latitude cyclones

a) are generally found only over the ocean

b) usually move across North-America from East to West

c) are formed in regions of strong temperature contrasts

d) generally bring clear skis and little precipitation

Question : 6

The clouds of the highest altitude are

a) Altostratus

b) Altocumulus

c) Cirrostratus

d) Cumulus