atmosphere & climatology section 2 MCQ Questions & Answers Detailed Explanation

Question : 1

Consider the following statements

1. Ozone is mostly found in the stratosphere
2. Ozone layer lies 25 to 30 km above the surface of the Earth
3. Ozone absorbs ultraviolet radiation from the Sun.
4. Ozone layer has no significance for life on the Earth

a) 1 and 3

b) 1 and 2

c) 3 and 4

d) 1, 2 and 3

Question : 2

Variations in the length of day and night time from season-to-season are due to

1. The Earth’s rotation on its axis.
2. The Earth’s revolution around the Sun in an elliptical manner.
3. Latitudinal position of the place.
4. Revolution of the Earth on-axis.

a) Only 2 and 4

b) Only 1

c) Only 1 and 3

d) 1, 2 and 3

Question : 3

Perpendicular rays are usually more heating than oblique rays. Therefore, south-facing slopes are warmer than north-facing slopes in the summer

a) in the southern hemisphere

b) in the northern hemisphere

c) nowhere

d) everywhere

Question : 4

A cyclone is an area of

a) high pressure surrounded by low pressure

b) low pressure surrounded by high pressure

c) air subsidence

d) air divergence

Question : 5

An anti-cyclone

1. is an intense low-pressure system.
2. has winds blowing clockwise in the southern hemisphere.
3. is accompanied by clear and settled weather conditions.
4. is more extensive, slower-moving and more persistent than a depression.

a) 2, 3 and 4

b) 1, 2 and 4

c) 1 and 2

d) 3 and 4

Question : 6

Which of the following is/are ‘rain cloud’?

1. Cirrus
2. Nimbostratus
3. Cumulonimbus
4. Altocumulus

a) 2 and 3 only

b) 1 and 2 only

c) 1 and 4 only

d) 3 and 4 only