What is the main source of nitrogen replenishment in organic farming? MCQ with Answer and Explanation

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What is the main source of nitrogen replenishment in organic farming?

A. Concrete Dust

B. Plastic Waste

C. Sand

D. Compost and Green Manure

Answer: Option D

Solution (By JKSSB Mock Tests)

Organic farming relies on compost, green manure, and biofertilizers to supply nitrogen.

This question belongs to: Geography GK Soils of India

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Practice More Soils of India Questions

Question #1

Which state is famous for laterite soil-based cashew plantations?

A. Haryana

B. Punjab

C. Bihar

D. Goa

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Correct Answer: Option D

Explanation:
Goa's laterite soils support extensive cashew cultivation.

This question belongs to: Geography GK Soils of India

Question #2

Which soil is ideal for plantation crops like tea in Assam?

A. Desert soil

B. Laterite soil

C. Black soil

D. Alluvial soil

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Correct Answer: Option D

Explanation:
Alluvial soil in Assam valley supports tea cultivation due to fertility and moisture.

This question belongs to: Geography GK Soils of India

Question #3

Which soil is mainly formed in situ (in place) rather than transported?

A. River soil

B. Delta soil

C. Alluvial soil

D. Black soil

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Correct Answer: Option D

Explanation:
Black soil is mainly formed in situ from the weathering of basaltic lava rocks.

This question belongs to: Geography GK Soils of India

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