What is the primary source of humus in soil? MCQ with Answer and Explanation

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What is the primary source of humus in soil?

A. River Sediments

B. Decayed Plants and Animals

C. Weathered Rocks

D. Volcanic Ash

Answer: Option B

Solution (By JKSSB Mock Tests)

Humus originates from decomposed organic matter such as plants and animals.

This question belongs to: Geography GK Soils of India

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Practice More Soils of India Questions

Question #1

Which soil type supports the cultivation of tobacco in Gujarat?

A. Peaty Soil

B. Forest Soil

C. Marshy Soil

D. Black Soil

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Correct Answer: Option D

Explanation:
Tobacco is widely grown in Gujarat's black soil regions.

This question belongs to: Geography GK Soils of India

Question #2

Peaty soils are rich in:

A. Organic Matter

B. Sand

C. Potash

D. Iron Oxide

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Correct Answer: Option A

Explanation:
Peaty soils contain large quantities of partially decomposed organic matter and humus.

This question belongs to: Geography GK Soils of India

Question #3

Which soil is commonly used for millet and pulses in dry regions?

A. Alluvial soil

B. Desert soil

C. Black soil

D. Laterite soil

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Correct Answer: Option B

Explanation:
Desert soil supports drought-resistant crops like millets and pulses.

This question belongs to: Geography GK Soils of India

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