Which nutrient improves root development in crops? MCQ with Answer and Explanation

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Which nutrient improves root development in crops?

A. Chlorine

B. Phosphorus

C. Iron

D. Nitrogen

Answer: Option B

Solution (By JKSSB Mock Tests)

Phosphorus encourages strong root development and flowering.

This question belongs to: Geography GK Soils of India

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Question #1

Which method helps prevent soil erosion on hill slopes?

A. Terrace Farming

B. Strip Mining

C. Deforestation

D. Overgrazing

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Correct Answer: Option A

Explanation:
Terrace farming reduces water runoff and prevents soil erosion on slopes.

This question belongs to: Geography GK Soils of India

Question #2

Which soil is also known as 'brick soil'?

A. Alluvial soil

B. Laterite soil

C. Red soil

D. Black soil

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Correct Answer: Option B

Explanation:
Laterite soil hardens like bricks when dried due to iron and aluminum oxides.

This question belongs to: Geography GK Soils of India

Question #3

Which Indian soil type is most closely associated with the Deccan Trap?

A. Mountain Soil

B. Red Soil

C. Alluvial Soil

D. Black Soil

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Correct Answer: Option D

Explanation:
Black soil originates from the weathering of Deccan Trap basaltic lava rocks.

This question belongs to: Geography GK Soils of India

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