Atmosphere MCQs

Question 1

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

Accepted Answer

Mistral

Answer

Sirocco

Answer

Khamsin

Answer

Chinook

Question 2

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

Accepted Answer

Calm conditions return when the eye of the cyclone arrives

Answer

Before the cyclone arrives the air becomes very still and temperature and humidity are high

Answer

As the front of the vertex arrives, gusty winds develop and thick clouds appear

Answer

As the cold front passes, the weather changes very rapidly

Question 3

In the atmosphere of the primitive earth there was no ________

Accepted Answer

Oxygen

Answer

Carbon dioxide

Answer

Nitrogen

Answer

Ammonia

Question 4

Winds and air currents differ in the aspect that ________

Accepted Answer

Winds are horizontal movements of air while air currents are the vertical movements of air

Answer

Air currents blow much faster than winds

Answer

Air currents are always moisture laden while the winds are usually dry

Answer

The winds blow on lands while air currents blow over seas and oceans

Question 5

Lapse rate is related to the decrease of ________

Accepted Answer

Temperature at 1°F for an ascent of 330 feet

Answer

Wind velocity with an ascent of 300 feet

Answer

Humidity with an ascent of 450 feet

Answer

Pressure with an ascent of 500 feet

Question 6

The most abundant element in the Earth's atmosphere is

Accepted Answer

Nitrogen

Answer

Argon

Answer

Oxygen

Answer

Krypton

Question 7

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

Accepted Answer

Calm, clear and cool winter night

Answer

Mountain top in late evening

Answer

Windy but cloudy night

Answer

Calm, cloudy and humid night

Question 8

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

Accepted Answer

Magnetopause

Answer

Magnetosphere

Answer

Ionosphere

Answer

Mesopause

Question 9

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

Accepted Answer

Incoming insolation in short waves and terrestrial radiation in long waves

Answer

The atmosphere absorbs heat

Answer

Incoming solar radiation is reflected

Answer

The earth absorbs heat