Alluvial soil is mainly formed by the deposition of sediments brought by: MCQ with Answer and Explanation

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Alluvial soil is mainly formed by the deposition of sediments brought by:

A. Glaciers

B. Wind

C. Volcanoes

D. Rivers

Answer: Option D

Solution (By JKSSB Mock Tests)

Alluvial soil is formed through the deposition of sand, silt, clay, and gravel carried by rivers over long periods.

This question belongs to: Geography GK Soils of India

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Practice More Soils of India Questions

Question #1

Which soil contains a high percentage of calcium carbonate nodules?

A. Peaty Soil

B. Bangar

C. Forest Soil

D. Khadar

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Correct Answer: Option B

Explanation:
Bangar soil contains kankar, which are calcium carbonate nodules.

This question belongs to: Geography GK Soils of India

Question #2

Which soil horizon consists mainly of unweathered bedrock?

A. R Horizon

B. O Horizon

C. A Horizon

D. B Horizon

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Correct Answer: Option A

Explanation:
The R Horizon represents consolidated bedrock beneath the soil profile.

This question belongs to: Geography GK Soils of India

Question #3

Which soil shows the phenomenon of 'self-aeration' due to deep cracks?

A. Alluvial soil

B. Desert soil

C. Red soil

D. Black soil

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Correct Answer: Option D

Explanation:
Black soil develops deep cracks in dry season allowing natural aeration.

This question belongs to: Geography GK Soils of India

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