atmosphere & climatology section 4 MCQ Questions & Answers Detailed Explanation

Question : 1

Atmospheric pressure exerted on earth is due to :

a) revolution of earth

b) rotation of earth

c) uneven heating of earth

d) gravitational pull

Question : 2

Statement I
The wind is deflected to the right in Northern Hemisphere and to the left in the Southern hemisphere from its normal course.
Statement II
Earth rotates from West-to-East. 

a) Both the statements are individualy true, but Statement II is not the correct explanation of Statement I

b) Both the statements are individually true and Statement II is the correct explanation of Statement I

c) Statement I is false, but Statement ll is true

d) Statement I is true, but Statement II is false

Question : 3

The order of the layers in the atmosphere, upwards from below, is

a) exosphere, ionosphere, troposphere and stratosphere.

b) stratosphere, troposphere, ionosphere and exosphere.

c) troposphere, magnetosphere, stratosphere and exosphere.

d) troposphere, stratosphere, ionosphere and exosphere.

Question : 4

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 : 5

“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 : 6

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