The normal atmospheric pressure at sea level is: MCQ with Answer and Explanation

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The normal atmospheric pressure at sea level is:

A. 100 mm Hg

B. 760 mm Hg

C. 500 mm Hg

D. 900 mm Hg

Answer: Option B

Solution (By JKSSB Mock Tests)

Standard atmospheric pressure at sea level is 760 mm of mercury or 1013.25 millibars.

This question belongs to: Geography GK Physical Geography

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Practice More Physical Geography Questions

Question #1

Which continent is known as the 'Frozen Continent'?

A. Europe

B. Australia

C. Antarctica

D. North America

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Correct Answer: Option C

Explanation:
Antarctica is covered by vast ice sheets and is known as the Frozen Continent.

This question belongs to: Geography GK Physical Geography

Question #2

Which layer of the atmosphere experiences increasing temperature with height due to ozone absorption?

A. Troposphere

B. Mesosphere

C. Stratosphere

D. Exosphere

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Correct Answer: Option C

Explanation:
Temperature increases in the stratosphere because ozone absorbs ultraviolet radiation.

This question belongs to: Geography GK Physical Geography

Question #3

Which biome is characterized by permanently frozen subsoil?

A. Tundra

B. Grassland

C. Desert

D. Savanna

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Correct Answer: Option A

Explanation:
The tundra biome has permafrost, a permanently frozen layer beneath the surface, limiting vegetation growth.

This question belongs to: Geography GK Physical Geography

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