Which micronutrient deficiency commonly causes chlorosis in crops? MCQ with Answer and Explanation

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Which micronutrient deficiency commonly causes chlorosis in crops?

A. Carbon

B. Hydrogen

C. Oxygen

D. Iron

Answer: Option D

Solution (By JKSSB Mock Tests)

Iron deficiency causes chlorosis, leading to yellowing of leaves.

This question belongs to: Geography GK Soils of India

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Question #1

What is the major source of phosphorus in soil?

A. Sunlight

B. Rainwater Only

C. Atmosphere

D. Weathering of Rocks

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Correct Answer: Option D

Explanation:
Phosphorus enters soil mainly through the weathering of phosphate-bearing rocks.

This question belongs to: Geography GK Soils of India

Question #2

Which soil is best conserved using afforestation?

A. Mountain soil

B. Black soil

C. Desert soil

D. Alluvial soil

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Correct Answer: Option A

Explanation:
Afforestation helps stabilize mountain soil and prevent erosion.

This question belongs to: Geography GK Soils of India

Question #3

Which soil is formed by lava weathering in Deccan region?

A. Black soil

B. Red soil

C. Alluvial soil

D. Laterite soil

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Correct Answer: Option A

Explanation:
Black soil originates from volcanic lava of the Deccan plateau.

This question belongs to: Geography GK Soils of India

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