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

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

A. Photosynthesis

B. Evaporation

C. Eluviation

D. Respiration

Answer: Option C

Solution (By JKSSB Mock Tests)

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

Which soil horizon is known as subsoil?

A. B Horizon

B. R Horizon

C. O Horizon

D. A Horizon

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Correct Answer: Option A

Explanation:
The B Horizon lies below the topsoil and contains minerals leached from upper layers.

This question belongs to: Geography GK Soils of India

Question #2

Khadar refers to:

A. Laterite soil

B. New alluvium

C. Old alluvium

D. Black soil

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Correct Answer: Option B

Explanation:
Khadar is the newer alluvium deposited annually by rivers in floodplains and is highly fertile.

This question belongs to: Geography GK Soils of India

Question #3

Which soil is formed by river deposits and renewed annually?

A. Laterite

B. Bhangar

C. Regur

D. Khadar

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Correct Answer: Option D

Explanation:
Khadar is the newer alluvial soil deposited during annual floods.

This question belongs to: Geography GK Soils of India

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