ATMOSPHERE MCQS SET 04

ATMOSPHERE MCQS SET 04

31) Very strong and cold icy winds that blow in the Polar regions are called :
A) typhoons
B) tormadoes
C) blizzards
D) polar winds

Answer: blizzards
   
32) The plane of contact of the troposphere and stratosphere is known as :
A) mesosphere
B) ionosphere
C) stratopause
D) tropopause

Answer: tropopause
   
33) The velocity of winds is related to :
A) the amount of moisture they carry
B) the nearness to the sea
C) pressure gradient in the direction of their flow
D) the direction in which they blow

Answer: pressure gradient in the direction of their flow
   
34) Increase in carbon dioxide in atmosphere causes :
A) rise in earth temperature
B) fall in earth temperature
C) uniform earth temperature
D) increase in Ultraviolet rays

Answer: rise in earth temperature
   
35) In the Southern hemisphere the Westerlies blow from :
A) north
B) north east
C) north west
D) south east

Answer: north west

36) Which of the following sequences of atmospheric layers is correct from below?
A) Stratosphere, ionosphere, Tropopause, Troposphere
B) Ionosphere, Troposphere, Stratosphere, Tropopause
C) Troposphere, Tropopause, Stratosphere, Ionosphere
D) Tropopause, Troposphere, Ionosphere, Stratosphere

Answer: Troposphere, Tropopause, Stratosphere, Ionosphere
   
37) Winds and air currents differ in the aspect that:
A) air currents blow much faster than winds
B) air currents are always moisture laden while the winds are usually dry
C) the winds blow on lands while air currents blow over seas and oceans
D) winds are horizontal movements of air while air currents are the vertical movements of air

Answer: winds are horizontal movements of air while air currents are the vertical movements of air
   
38) In USA, which one of the following regions receives heavy rainfall throughout the year under the influence of Westerlies?
A) North-western
B) North-eastern
C) South-western
D) South-eastern

Answer: North-western
   
39) The temperature increases rapidly after:
A) exosphere
B) ionosphere
C) stratosphere
D) troposphere

Answer: ionosphere
   
40) The cold and dense air blowing down the mountain slope during the night is known as:
A) anabatic wind
B) khamsin
C) katabatic wind
D) harmattan

Answer: katabatic wind