Atmosphere Geography : Best 90+ GK MCQ With Free Exam Geography SET :-10

Q31. The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from __

(A) Troposphere
(B) Mesosphere
(C) Stratosphere
(D) Ionosphere

Answer: Ionosphere

Q32. Transfer of surplus heat from the lower latitudes to higher latitudes is done by :

I. ocean currents

II. planetary winds

III. tides

IV. waves

(A) I and II
(B) III and IV
(C) I and IV
(D) II and III

Answer: I and II

Q33. Which one of the following conditions is not necessary for precipitation to occur ?

(A) The air must be warm
(B) The air must be saturated
(C) The air must be cooled below its dew point
(D) The air must contain hygroscopic particles

Answer: The air must be warm

Q34. Condensation is a process which occurs when

(A) Temperature falls below 0°C
(B) Absolute humidity becomes equal to relative humidity
(C) Temperature in the air parcel remains static
(D) Relative humidity becomes 100% and more

Answer: Relative humidity becomes 100% and more

Q35. Which of the following is the annual precipitation of an area ?

(A) All forms of precipitation converted to the quantity of liquid water
(B) The total actual amount of rain, snow, hail and sleet
(C) The total amount of rain per year, irrespective of snow, hail and sleet
(D) All forms of precipitation measured after conversion to equal quantity of ice

Answer: All forms of precipitation converted to the quantity of liquid water

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Q36. When a descending air contracts and its volume decreases, what happens to its temperature ?

(A) Its temperature decreases
(B) Its temperature increases
(C) Its temperature remains constant
(D) Its temperature first increases, then decreases

Answer: Its temperature increases

Q37. In the earth’s atmosphere, the atmospheric pressure __

(A) Increases with height
(B) Decreases with height
(C) Remains constant with height
(D) First increases and then decreases with height

Answer: Decreases with height

Q38. An upper air wind system with very high velocities in certain parts of the atmosphere is called __

(A) A cyclone
(B) An anticyclone
(C) Jet stream
(D) A tsunami

Answer: Jet stream

Q39. Pampero is __

(A) A cold wind which prevails in Argentina and Uruguay
(B) A low pressure area in Equator 63° S
(C) A moisture laden wind which brings rainfall to the west coast of Panama
(D) A high pressure area which develops first and then leads to the formation of an anticyclone

Answer: A cold wind which prevails in Argentina and Uruguay

Q40. Which of the following is wrongly matched ?

(A) Rainfall caused by mountain standing in the way of moisture – laden winds – relief rainfall
(B) Rain caused by vertical circulation of air currents – orographic rainfall
(C) Rain caused by a warm moist air mass moving upward over cold air mass – cyclonic rainfall
(D) An area sheltered from rain bearing winds by a hill – rain shadow area

Answer: Rain caused by vertical circulation of air currents – orographic rainfall