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

Q61. The final boundary between the Earth and the outer space is called

(A) Magnetosphere
(B) Ionosphere
(C) Mesopause
(D) Magnetopause

Answer: Magnetopause

Q62. A temperature inversion is most likely to occur under which of the following conditions ?

(A) Mountain top in late evening
(B) Windy but cloudy night
(C) Calm, cloudy and humid night
(D) Calm, clear and cool winter night

Answer: Calm, clear and cool winter night

Q63. The most abundant element in the Earth’s atmosphere is

(A) Argon
(B) Nitrogen
(C) Oxygen
(D) Krypton

Answer: Nitrogen

Q64. Lapse rate is related to the decrease of __

(A) Wind velocity with an ascent of 300 feet
(B) Humidity with an ascent of 450 feet
(C) Temperature at 1°F for an ascent of 330 feet
(D) Pressure with an ascent of 500 feet

Answer: Temperature at 1°F for an ascent of 330 feet

Q65. 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

Q66. In the atmosphere of the primitive earth there was no __

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

Answer: Oxygen

Q67. Which one of the following characteristics is not associated with the tropical cyclones ?

(A) Before the cyclone arrives the air becomes very still and temperature and humidity are high
(B) As the front of the vertex arrives, gusty winds develop and thick clouds appear
(C) As the cold front passes, the weather changes very rapidly
(D) Calm conditions return when the eye of the cyclone arrives

Answer: Calm conditions return when the eye of the cyclone arrives

Q68. Which one among the following local winds is not characteristically hot and dry ?

(A) Sirocco
(B) Mistral
(C) Khamsin
(D) Chinook

Answer: Mistral

Q69. Because of which one of the following factors, clouds do not precipitate in deserts ?

(A) Low pressure
(B) Low humidity
(C) High wind velocity
(D) High temperature

Answer: Low humidity

Q70. The layer of the atmosphere which provides ideal conditions for flying on jet aeroplanes is __

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

Answer: Stratosphere