atmosphere & climatology section 7 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 36 [UK-PSC 2016]

Clouds are the result of

a) Normal temp. lapse rate

b) Evaporation

c) Condensation

d) Catabatic lapse rate

Answer: (c)

Condensation is the change of the physical state of matter from gas phase into liquid phase, and is the reverse of evaporation. Clouds are the result of it.

Question : 37 [SSC CPO 2003]

Very strong and cold icy winds that blow in the Polar regions are called

a) Tornadoes

b) Typhoons

c) Polar winds

d) Blizzards

Answer: (d)

A blizzard is a severe snowstorm characterized by strong winds and low temperatures. The difference between a blizzard and a snowstorm is the strength of the wind.

To be a blizzard, a snowstorm must have sustained winds or frequent gusts that are greater than or equal to 56 km/h (35 mph) with blowing or drifting snow which reduces visibility to 400 meters or a quarter mile or less and must last for a prolonged period of time — typically three hours or more.

Question : 38 [UPPCS (Pre) 2001]

The coniferous forests are not found in

a) Scandinavia

b) Amazonia

c) Finland

d) Canada

Answer: (b)

Question : 39

Normally, the temperature decreases with the increase in height from the Earth’s surface because

  1. The atmosphere can be heated upwards only from the Earth’s surface.
  2. There is more moisture in the upper atmosphere.
  3. The air is less dense in the upper atmosphere.
  4. Select the correct answer using the codes given below:

a) 2 and 3 only

b) 1 only

c) 1, 2 and 3

d) 1 and 3 only

Answer: (d)

The temperature decreases with height in the lowest 10-20 km of the atmosphere (called the troposphere) because most of the solar radiation passes through the atmosphere with little or no effect - that radiation is absorbed by the solid Earth surface and is transferred to the air above the surface by conduction.

Question : 40

Fog is a phenomenon indicating

a) Normal lapse of temperature

b) Low average temperature

c) High average temperature

d) Inversion of temperature

Answer: (d)

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