Which atmospheric gas is essential for photosynthesis? MCQ with Answer and Explanation

Question Report Error

Which atmospheric gas is essential for photosynthesis?

A. Argon

B. Nitrogen

C. Carbon Dioxide

D. Helium

Answer: Option C

Solution (By JKExamLibrary)

Plants absorb carbon dioxide from the atmosphere during photosynthesis.

This question belongs to: Geography GK Physical Geography

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Practice More Physical Geography Questions

Question #1 Report Error

The atmospheric pressure is highest at:

A. Stratosphere

B. Sea Level

C. Upper Troposphere

D. Mountaintops

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Correct Answer: Option B

Explanation:
Atmospheric pressure decreases with altitude and is highest at sea level.

This question belongs to: Geography GK Physical Geography

Question #2 Report Error

The term 'SIMA' is associated with:

A. Inner Core

B. Oceanic Crust

C. Continental Crust

D. Upper Atmosphere

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Correct Answer: Option B

Explanation:
SIMA consists mainly of silica and magnesium and characterizes the denser oceanic crust.

This question belongs to: Geography GK Physical Geography

Question #3 Report Error

The movement of weathered materials down a slope under gravity is called:

A. Evaporation

B. Deposition

C. Mass Wasting

D. Condensation

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Correct Answer: Option C

Explanation:
Mass wasting refers to the downslope movement of rock, soil, and debris under the influence of gravity.

This question belongs to: Geography GK Physical Geography

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