atmosphere & climatology section 4 MCQ Questions & Answers Detailed Explanation

Question : 1

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 : 2

Winter rains in North and North-West India are generally associated with the phenomenon of :

a) temperate cyclones

b) retreating monsoon

c) shift in jet stream movement

d) local thunderstorms

Question : 3

When air temperature rises, relative humidity

a) decreases

b) increases

c) may increase or decrease

d) does not change

Question : 4

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 : 5

In which of the following regions long forties winds blow?

a) Indian Ocean

b) North Sea

c) Coral Sea

d) Caribbean Sea

Question : 6

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.