Atmosphere Composition, Layers and Major Gases Quiz

Question 1

The gaseous cover that surrounds the Earth is called _____.

Accepted Answer

Atmosphere

Answer

Biosphere

Answer

Lithosphere

Answer

Hydrosphere

Question 2

The lowest layer of the atmosphere is called _____.

Accepted Answer

Troposphere

Answer

Ionosphere

Answer

Mesosphere

Answer

Stratosphere

Question 3

The percentage of Nitrogen in the atmosphere is approximately _____.

Accepted Answer

78.08

Answer

0.03

Answer

0.93

Answer

20.9

Question 4

In the troposphere, temperature decreases by _____ °C for every 165 metres of altitude.

Accepted Answer

1

Answer

0.5

Answer

2

Answer

1.5

Question 5

The height of the stratosphere extends up to approximately _____ km.

Accepted Answer

50

Answer

16

Answer

80

Answer

100

Question 6

The _____ layer absorbs ultraviolet rays of the sun and protects the Earth.

Accepted Answer

Ozone

Answer

Argon

Answer

Oxygen

Answer

Neon

Question 7

In the mesosphere, at an altitude of 80 km, the temperature drops to _____ °C.

Accepted Answer

-100

Answer

-50

Answer

-80

Answer

-200

Question 8

The _____ extends from 0° to 5° latitude and experiences low pressure.

Accepted Answer

Equatorial low pressure belt

Answer

Polar high pressure belt

Answer

Sub-tropical high pressure belt

Answer

Subpolar low pressure belt

Question 9

The sub-tropical high pressure belt is also called _____ because ancient sailors faced difficulties here.

Accepted Answer

Horse Latitude

Answer

Storm Belt

Answer

Trade Wind Belt

Answer

Calm Belt

Question 10

The ionosphere extends from _____ km to 400 km in height.

Accepted Answer

50

Answer

16

Answer

100

Answer

80

Atmosphere Composition, Layers and Major Gases

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