Atmosphere MCQ Question Answers

Atmosphere Gk (quiz) MCQ question and answers. Suitable for aspirants preparing for SSC-CGL and State Level Examinations of all states and also Bank, SSC, Railway, UPSC conducted NDA/ CDS/ IFS/ IES / CSE etc. examinations.

Atmosphere Geography

Q. What is the major role of a greenhouse gas that contributes to temperature rise of the Earth’s surface?

A.
Lets outgoing infrared radiation pass through but stops incoming sunlight
B.
Transparent to both incoming sunlight and outgoing infrared radiation
C.
Stops both incoming sunlight and outgoing infrared radiation
D.
Lets incoming sunlight pass through but stops outgoing infrared radiation

Answer

Correct Answer : Lets incoming sunlight pass through but stops outgoing infrared radiation

Discuss

Atmosphere Geography

Q. What is the name of the layer above Earth’s surface which is located at the height of 8km from poles and 16km from the equator?

A.
Troposphere
B.
Mesosphere
C.
Atmosphere
D.
Stratosphere

Answer

Correct Answer : Troposphere

Discuss

Atmosphere Geography

Q. What is the name of the layer closest to the Earth?

A.
Troposphere
B.
Ionosphere
C.
Stratosphere
D.
Exosphere

Answer

Correct Answer : Troposphere

Discuss

Atmosphere Geography

Q. What is the percentage of Nitrogen in atmosphere of the Earth?

A.
78.03
B.
0.94
C.
0.03
D.
85.02

Answer

Correct Answer : 78.03

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Atmosphere Geography

Q. What is true with regard to Jet Streams? 1. High velocity winds 2. Blow from west to east 3. Blow in upper troposphere near the tropopause 4. Blow in the mesosphere

A.
1, 2 and 3
B.
2 and 3
C.
2 and 4
D.
1, 2 and 4

Answer

Correct Answer : 1, 2 and 3

Discuss

Atmosphere Geography

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

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

Answer

Correct Answer : Its temperature increases

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Atmosphere Geography

Q. When can one record the lowest temperature of air?

A.
At 3 a.m.
B.
Just before sunrise
C.
At midnight
D.
No fixed time

Answer

Correct Answer : Just before sunrise

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Atmosphere Geography

Q. When the relative humidity is 50% and air temperature is 30°C, a cooling of air mass ________

A.
Decreases the relative humidity
B.
Raises the absolute humidity
C.
Produces no change in relative humidity
D.
Increases the relative humidity

Answer

Correct Answer : Decreases the relative humidity

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Atmosphere Geography

Q. When the wind is deflected due to the rotation of the Earth, it is called as ________

A.
Westerlies
B.
Geostropic wind
C.
Polar wind
D.
Trade winds

Answer

Correct Answer : Geostropic wind

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Atmosphere Geography

Q. Where do all meteorological incidents occur?

A.
Ionosphere
B.
Stratosphere
C.
Troposphere
D.
Exosphere

Answer

Correct Answer : Troposphere

Discuss