Which nutrient deficiency causes yellowing of leaves in crops? MCQ with Answer and Explanation

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Which nutrient deficiency causes yellowing of leaves in crops?

A. Both Nitrogen and Iron

B. Iron

C. Nitrogen

D. Potassium

Answer: Option A

Solution (By JKSSB Mock Tests)

Deficiency of nitrogen or iron can lead to chlorosis, causing leaves to turn yellow.

This question belongs to: Geography GK Soils of India

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Question #1

The formation of soil through physical breakdown of rocks is called:

A. Mechanical Weathering

B. Humification

C. Leaching

D. Calcification

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Correct Answer: Option A

Explanation:
Mechanical weathering breaks rocks into smaller particles without changing their chemical composition.

This question belongs to: Geography GK Soils of India

Question #2

Which soil type is found extensively in the Chota Nagpur Plateau?

A. Black Soil

B. Alluvial Soil

C. Saline Soil

D. Red Soil

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Correct Answer: Option D

Explanation:
The Chota Nagpur Plateau is mainly covered by red soil derived from ancient crystalline rocks.

This question belongs to: Geography GK Soils of India

Question #3

Which soil is found in Himalayan valleys?

A. Mountain soil

B. Red soil

C. Desert soil

D. Black soil

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Correct Answer: Option A

Explanation:
Mountain soil is found in Himalayan valleys and varies with altitude.

This question belongs to: Geography GK Soils of India

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