Which process is responsible for the downward movement of clay particles within a soil profile? MCQ with Answer and Explanation

Which process is responsible for the downward movement of clay particles within a soil profile?

A. Respiration

B. Evaporation

C. Eluviation

D. Photosynthesis

Answer: Option C

Eluviation involves the washing downward of fine soil particles and minerals.

This question belongs to: Geography GK Soils of India

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Question #1 Report Error

Which crop is extensively cultivated in the alluvial soils of West Bengal?

A. Rubber

B. Coffee

C. Tea only

D. Jute

Correct Answer: Option D

Explanation:
The fertile alluvial soils of West Bengal are highly suitable for jute cultivation.

This question belongs to: Geography GK Soils of India

Question #2 Report Error

Which factor has the greatest influence on soil formation in humid tropical regions?

A. Trade

B. Population

C. Climate

D. Currency

Correct Answer: Option C

Explanation:
Climate, particularly rainfall and temperature, is the dominant factor controlling soil formation in humid tropical areas.

This question belongs to: Geography GK Soils of India

Question #3 Report Error

Which soil is formed by decomposition of forest organic matter in hills?

A. Black soil

B. Desert soil

C. Laterite soil

D. Mountain soil

Correct Answer: Option D

Explanation:
Mountain soil is formed in forested hilly areas with organic matter accumulation.

This question belongs to: Geography GK Soils of India