Which process causes accumulation of salts near the soil surface in arid regions? MCQ with Answer and Explanation

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Which process causes accumulation of salts near the soil surface in arid regions?

A. Humification

B. Leaching

C. Weathering

D. Capillary Action

Answer: Option D

Solution (By JKSSB Mock Tests)

Capillary rise brings dissolved salts to the surface where evaporation leaves them behind.

This question belongs to: Geography GK Soils of India

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Question #1

Which soil problem is commonly associated with canal irrigation in dry regions?

A. Laterization

B. Acidification

C. Salinity and Waterlogging

D. Humification

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Correct Answer: Option C

Explanation:
Excessive canal irrigation in dry areas often leads to waterlogging and salinity.

This question belongs to: Geography GK Soils of India

Question #2

Which soil type generally has the highest cation exchange capacity?

A. Gravelly Soil

B. Black Soil

C. Desert Soil

D. Sandy Soil

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Correct Answer: Option B

Explanation:
Black soil's high clay content gives it a high capacity to retain nutrients.

This question belongs to: Geography GK Soils of India

Question #3

The uppermost fertile layer of soil is known as:

A. Parent Rock

B. Topsoil

C. Bedrock

D. Subsoil

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Correct Answer: Option B

Explanation:
Topsoil contains humus and nutrients essential for plant growth.

This question belongs to: Geography GK Soils of India

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