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

Q71. Consider the following statements:

1. Nearly 99% of the total mass of the atmosphere lies within 30 km of the Earth’s surface.

2. The proportion of ozone in the atmosphere increases to a maximum at about 60 km from Earth’s surface.

Which of the statements given above is/are correct ?

(A) 1 only
(B) 2 only
(C) Both 1 and 2
(D) Neither 1 nor 2

Answer: 1 only

Q72. Which of the following depletion results in the increase in the UV radiation on the Earth ?

(A) Carbon monoxide
(B) Carbon dioxide
(C) Ozone
(D) Oxygen

Answer: Ozone

Q73. Beaufort Scale is used to measure __

(A) Air pressure
(B) Wind velocity
(C) Wind direction
(D) Humidity

Answer: Wind velocity

Q74. Which of the following is located at the minimum height from the Earth ?

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

Answer: Troposphere

Q75. Cloud burst means __

(A) Abnormally heavy downpour of rain, associated with a thunderstorm
(B) Formation of artificial rain
(C) Presence of scattered flakes of cloud in the sky
(D) Sowing of seeds of a crop in a cloudy weather

Answer: Abnormally heavy downpour of rain, associated with a thunderstorm

Q76. Which of the following statements about Stratosphere is incorrect ?

(A) It is the region in the atmosphere above tropopause
(B) It contains ozone layer which prevents ultraviolet radiations of sun from reaching to the earth
(C) It is not free from the violent weather changes occurring on the earth
(D) It provides ideal flying conditions

Answer: It is not free from the violent weather changes occurring on the earth

Q77. Relative humidity of the atmosphere is directly affected by __

(A) Change in atmospheric pressure
(B) Change in atmospheric temperature
(C) Change in the direction of winds
(D) None of these

Answer: Change in atmospheric temperature

Q78. Which gas is found in maximum quantity in lower atmosphere ?

(A) Hydrogen
(B) Carbon dioxide
(C) Oxygen
(D) Nitrogen

Answer: Nitrogen

Q79. Which of the following is not one of the three processes involved in the transfer of water between the atmosphere and the surface of the Earth ?

(A) Insolation
(B) Evaporation
(C) Condensation
(D) Precipitation

Answer: Insolation

Q80. What helps to maintain the heat budget on the surface of the earth ?

(A) Incoming insolation in short waves and terrestrial radiation in long waves
(B) The atmosphere absorbs heat
(C) Incoming solar radiation is reflected
(D) The earth absorbs heat

Answer: Incoming insolation in short waves and terrestrial radiation in long waves