Which soil is rich in iron but poor in nitrogen? MCQ with Answer and Explanation

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Which soil is rich in iron but poor in nitrogen?

A. Black soil

B. Desert soil

C. Red soil

D. Alluvial soil

Answer: Option C

Solution (By JKSSB Mock Tests)

Red soil is rich in iron oxide but lacks nitrogen and humus.

This question belongs to: Geography GK Soils of India

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Question #1

Sheet erosion refers to:

A. Formation of deep ravines

B. Removal of a thin layer of soil

C. Glacial transport

D. Volcanic deposition

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Correct Answer: Option B

Explanation:
Sheet erosion removes a uniform thin layer of topsoil over a large area.

This question belongs to: Geography GK Soils of India

Question #2

Which soil type is generally rich in potash and lime but poor in phosphorus?

A. Saline Soil

B. Laterite Soil

C. Peaty Soil

D. Black Soil

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Correct Answer: Option D

Explanation:
Black soils contain high levels of potash and lime but are often deficient in phosphorus.

This question belongs to: Geography GK Soils of India

Question #3

Which type of soil erosion is caused by underground water movement?

A. Tunnel Erosion

B. Sheet Erosion

C. Splash Erosion

D. Wind Erosion

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Correct Answer: Option A

Explanation:
Tunnel erosion occurs when subsurface water creates tunnels and cavities in soil.

This question belongs to: Geography GK Soils of India

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