Atmosphere MCQs

Question 1

Consider the following statements: 1. Mistral is a cold wind blowing in North America. 2. Sirocco is a hot dry wind blowing across the North African coast. Which of the statement(s) given above is/are correct?

Accepted Answer

2 only

Answer

1 only

Answer

Both 1 and 2

Answer

Neither 1 nor 2

Question 2

Consider the following statements: 1. The annual range of temperature is greater in the Pacific Ocean than that in the Atlantic Ocean. 2. The annual range of temperature is greater in the Northern Hemisphere than that in the Southern Hemisphere. Which of the statements given above is/are correct?

Accepted Answer

2 only

Answer

1 only

Answer

Both 1and 2

Answer

Neither 1 nor 2

Question 3

The zone of Earth's atmosphere immediately above its surface up to a height of about 16kms above equator and 8kms over the poles is known as

Accepted Answer

Troposphere

Answer

Mesosphere

Answer

Thermosphere

Answer

Stratosphere

Question 4

Freely moving bodies are ________

Accepted Answer

Deflected to their right in the northern hemisphere

Answer

Deflected to the right in the southern hemisphere

Answer

Deflected upwards at the equator

Answer

Unaffected by the earth's movements

Question 5

Which is the lowest layer of Atmosphere?

Accepted Answer

Troposphere

Answer

Stratosphere

Answer

Mesosphere

Answer

Exosphere

Question 6

What causes snowfall?

Accepted Answer

When condensation takes place below 0° C and precipitation occurs in the form of flakes

Answer

When rain freezes into snow-flakes while passing through the atmosphere

Answer

When condensation takes place in form of fog and precipitation occurs as flakes

Answer

When the air temperature is much lower than surface temperature

Question 7

What is a cloudburst?

Accepted Answer

It refers to sudden and copious rainfall over a small area which often lasts for only a few minutes

Answer

It refers to 50mm rain over a period of time

Answer

It is caused by rapid condensation of very high clouds

Answer

It refers to a thunderstorm with little rain

Question 8

Winds blow ________

Accepted Answer

From a region of high pressure to a region of low pressure

Answer

In regions of low pressure

Answer

From a region of low pressure to a region of high pressure

Answer

In regions of high pressure

Question 9

The phenomenon of 'trade winds' takes place due to

Accepted Answer

Convection of heat

Answer

Conduction of heat

Answer

Radiation

Answer

None of the above