Which process enriches the upper soil layer with organic matter? MCQ with Answer and Explanation

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Which process enriches the upper soil layer with organic matter?

A. Erosion

B. Leaching

C. Humification

D. Salinization

Answer: Option C

Solution (By JKSSB Mock Tests)

Humification is the conversion of organic matter into humus.

This question belongs to: Geography GK Soils of India

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Question #1

Which soil is generally alkaline in reaction?

A. Mountain Soil

B. Laterite Soil

C. Black Soil

D. Forest Soil

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Correct Answer: Option C

Explanation:
Black soil tends to be alkaline due to the presence of lime and magnesium compounds.

This question belongs to: Geography GK Soils of India

Question #2

Which region of India is known for saline soils caused by seawater intrusion?

A. Assam Hills

B. Himachal Pradesh

C. Coastal Gujarat

D. Jharkhand

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Correct Answer: Option C

Explanation:
Coastal Gujarat experiences salinity due to seawater intrusion and high evaporation.

This question belongs to: Geography GK Soils of India

Question #3

What is the major cause of soil erosion in the Shivalik Hills?

A. Volcanic activity

B. Deforestation

C. Tides

D. Earthquakes

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Correct Answer: Option B

Explanation:
Deforestation exposes soil to rainfall and runoff, causing severe erosion.

This question belongs to: Geography GK Soils of India

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