Which soil horizon contains the maximum amount of weathered minerals? MCQ with Answer and Explanation

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Which soil horizon contains the maximum amount of weathered minerals?

A. B Horizon

B. A Horizon

C. O Horizon

D. R Horizon

Answer: Option A

Solution (By JKExamLibrary)

The B Horizon accumulates minerals leached from upper layers and is rich in weathered materials.

This question belongs to: Geography GK Soils of India

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Question #1 Report Error

Which process converts plant residues into dark organic matter?

A. Calcification

B. Leaching

C. Humification

D. Salinization

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Correct Answer: Option C

Explanation:
Humification is the formation of humus from decomposed organic residues.

This question belongs to: Geography GK Soils of India

Question #2 Report Error

The major parent rock of black soil is:

A. Limestone

B. Sandstone

C. Granite

D. Basalt

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Correct Answer: Option D

Explanation:
Black soil develops from weathering of basaltic lava flows.

This question belongs to: Geography GK Soils of India

Question #3 Report Error

Which soil is naturally most fertile among Indian soil types?

A. Alluvial Soil

B. Desert Soil

C. Mountain Soil

D. Laterite Soil

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Correct Answer: Option A

Explanation:
Alluvial soil contains abundant nutrients and supports a wide variety of crops.

This question belongs to: Geography GK Soils of India

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