The uppermost organic layer of a soil profile is known as: MCQ with Answer and Explanation

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The uppermost organic layer of a soil profile is known as:

A. B Horizon

B. R Horizon

C. C Horizon

D. O Horizon

Answer: Option D

Solution (By JKSSB Mock Tests)

The O Horizon consists mainly of organic matter such as decomposed leaves and plant residues.

This question belongs to: Geography GK Soils of India

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Practice More Soils of India Questions

Question #1

Which soil type is characterized by poor profile development because of frequent flooding?

A. Red Soil

B. Forest Soil

C. Black Soil

D. Alluvial Soil

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Correct Answer: Option D

Explanation:
Frequent deposition of sediments prevents the development of mature soil horizons.

This question belongs to: Geography GK Soils of India

Question #2

Which soil type supports extensive cultivation of castor and sunflower?

A. Marshy Soil

B. Mountain Soil

C. Peaty Soil

D. Black Soil

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Correct Answer: Option D

Explanation:
Castor and sunflower grow well in black soils due to favorable moisture conditions.

This question belongs to: Geography GK Soils of India

Question #3

The term 'edaphic factors' refers to:

A. Population factors

B. Soil-related factors

C. Climate factors

D. Industrial factors

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Correct Answer: Option B

Explanation:
Edaphic factors include soil properties that affect plant growth.

This question belongs to: Geography GK Soils of India

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