atmosphere & climatology section 8 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 11 [ BPSC (Pre) 2001]

Which country of the world is the largest producer of wood pulp?

a) Norway

b) U.S.A.

c) Canada

d) Sweden

Answer: (b)

Question : 12

What is the term used to denote the temperature at which the water vapour present in the atmosphere is sufficient to saturate?

a) Dew point

b) Condensation point

c) Saturation point

d) Sublimation point

Answer: (a)

Dew point is the temperature at which the air is fully saturated and below which condensation normally occurs, water vapour starts to condense to form water droplets.

Question : 13 [NDA 2017-I]

Which of the following gases in the atmosphere is/are responsible for acid rains?

  1. Oxides of sulphur
  2. Oxides of nitrogen
  3. Oxides of carbon
Select the correct answer using the codes given below

a) 1 and 3

b) 1 and 2

c) 1, 2 and 3

d) Only 2

Answer: (a)

Acid rain is a result of air pollution. Some gases especially nitrogen oxides and sulphur dioxide react with the tiny droplets of water in clouds to form sulphuric and nitric acids.

The rain from these clouds then falls as very weak acid which is known as “acid rain”.

Question : 14

Which one among the following is the idealised global pattern of surface wind from the Equator to Pole ?

a) Easterlies-Westerlies-Trade Wind-Easterlies

b) Doldrum-Westerlies-Trade Wind-Easterlies

c) Westerlies-Trade Wind-Doldrum-Easterlies

d) Doldrum-Trade wind-Westerlies-Easterlies

Answer: (d)

From the Equator to Pole the idealised global pattern of surface wind is

Doldrum > Trade wind > Westerlies > Easterlies

Question : 15

Which of the following are wrongly matched?

  1. Typhoons - China Sea
  2. Cyclones - West Indies
  3. Hurricanes - Indian Ocean
  4. Tornadoes - Australia

a) 2, 3 and 4

b) 1, 2 and 4

c) 3 and 4

d) 2 and 4

Answer: (d)

Cyclone occurs in the south Pacific or the Indian Ocean. Cyclones are characterized by inward spiralling winds that rotate about a zone of low pressure.

In fact, tornadoes have been documented in every state of the United States, and on every continent, with the exception of Antarctica.

In fact, wherever the atmospheric conditions are exactly right, the occurrence of a tornadic storm is possible.

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