Which nutrient increases disease resistance in plants? MCQ with Answer and Explanation

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Which nutrient increases disease resistance in plants?

A. Carbon

B. Nitrogen

C. Potassium

D. Hydrogen

Answer: Option C

Solution (By JKSSB Mock Tests)

Potassium improves plant health and resistance to diseases.

This question belongs to: Geography GK Soils of India

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Question #1

The major parent rock of black soil is:

A. Basalt

B. Granite

C. Sandstone

D. Limestone

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Correct Answer: Option A

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

This question belongs to: Geography GK Soils of India

Question #2

Which soil is commonly used for growing cashew nuts?

A. Laterite Soil

B. Black Soil

C. Alluvial Soil

D. Desert Soil

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Correct Answer: Option A

Explanation:
Cashew plantations thrive in laterite soils, particularly in coastal regions of India.

This question belongs to: Geography GK Soils of India

Question #3

The accumulation of organic matter in waterlogged conditions leads to the formation of:

A. Peaty Soil

B. Laterite Soil

C. Desert Soil

D. Black Soil

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Correct Answer: Option A

Explanation:
Peaty soils form where decomposition is slow because of waterlogged conditions.

This question belongs to: Geography GK Soils of India

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