atmosphere & climatology section 3 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 46 [SSC CHSL 2014]

The temperature increases rapidly above

a) Exosphere

b) Ionosphere

c) Troposphere

d) Stratosphere

Answer: (a)

Above Troposphere, temperature increases rapidly with height in the Stratosphere layer as it houses the ozone layer which absorbs ultraviolet (UV) rays from the sun.

Again, temperature increases rapidly with height in Thermosphere which comprises the Ionosphere (lower part) and Exosphere (upper part)).

The temperature in the Exosphere which is the uppermost layer of the atmosphere reaches up to more than 4500o Celsius.

Question : 47 [CDS 2017-II]

In absorption of insolation, the most significant part is played by

a) ozone

b) carbon dioxide

c) haze

d) oxygen

Answer: (b)

In absorption of isolation the most significant part is played by Carbon dioxide.

Question : 48 [SSC SO 2001]

The term Roaring Forties is related to the

a) Planetary winds

b) Trade winds

c) Polar winds

d) Westerlies

Answer: (d)

The Roaring Forties is the name given to strong westerly winds found in the Southern Hemisphere, generally between the latitudes of 40 and 50 degrees.

The Westerlies play an important role in carrying the warm, equatorial waters and winds to the western coasts of continents, especially in the southern hemisphere because of its vast oceanic expanse.

Question : 49

What is the name given to winds blowing from subtropical high pressure regions, to the equator?

a) Tropical easterlies

b) Westerlies

c) Doldrums

d) High latitude easterlies

Answer: (a)

Question : 50 [IAS (Pre) 2010]

A geographic region has the following distinct characteristics.

  1. Warm and dry climate.
  2. Mild and wet winter.
  3. Evergreen oak trees.
The above features are the distinct characteristics of which one of the following regions?

a) Eastern China

b) Mediterranean

c) Atlantic coast of North America

d) Central Asia

Answer: (b)

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