Which tree species is known for nitrogen fixation in arid regions? MCQ with Answer and Explanation

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Which tree species is known for nitrogen fixation in arid regions?

A. Pine

B. Spruce

C. Acacia

D. Fir

Answer: Option C

Solution (By JKExamLibrary)

Many Acacia species improve soil fertility through nitrogen fixation.

This question belongs to: Geography GK Natural Vegetation of India

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Practice More Natural Vegetation of India Questions

Question #1

Which plant group reproduces through spores and is common in moist forests?

A. Ferns

B. Cacti

C. Acacias

D. Palms

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Correct Answer: Option A

Explanation:
Ferns reproduce through spores and thrive in moist, shaded forest environments.

This question belongs to: Geography GK Natural Vegetation of India

Question #2

Which region of India receives the highest rainfall and supports dense evergreen forests?

A. Thar Desert

B. Western Rajasthan

C. Northeastern Hills

D. Punjab Plains

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Correct Answer: Option C

Explanation:
The northeastern states receive some of the highest rainfall in India and support luxuriant evergreen vegetation.

This question belongs to: Geography GK Natural Vegetation of India

Question #3

Montane forests in the Himalayas show vegetation change with altitude. At higher altitudes, they are replaced by:

A. Coniferous forests like pine, deodar

B. Thorn forests

C. Mangroves

D. Tropical evergreen

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Correct Answer: Option A

Explanation:
Temperate and alpine zones feature oak, chestnut, then pine, fir, spruce, and finally alpine pastures.

This question belongs to: Geography GK Natural Vegetation of India

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