Which nutrient is primarily responsible for flowering and fruiting in plants? MCQ with Answer and Explanation

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Which nutrient is primarily responsible for flowering and fruiting in plants?

A. Nitrogen

B. Carbon

C. Phosphorus

D. Hydrogen

Answer: Option C

Solution (By JKSSB Mock Tests)

Phosphorus promotes root growth, flowering, seed formation, and fruit development.

This question belongs to: Geography GK Soils of India

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Question #1

Which crop is commonly grown in black soil regions of Maharashtra?

A. Jute

B. Cotton

C. Rubber

D. Tea

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Correct Answer: Option B

Explanation:
Maharashtra's black soil belt is India's major cotton-producing region.

This question belongs to: Geography GK Soils of India

Question #2

Which soil type is often deficient in phosphoric content?

A. Forest Soil

B. Mountain Soil

C. Black Soil

D. Peaty Soil

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Correct Answer: Option C

Explanation:
Black soils are rich in potash but deficient in phosphorus.

This question belongs to: Geography GK Soils of India

Question #3

Which region of India has black soils derived from volcanic lava flows?

A. Indo-Gangetic Plain

B. Sundarbans

C. Western Himalayas

D. Deccan Trap Region

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Correct Answer: Option D

Explanation:
The Deccan Trap region consists of basaltic lava flows that weather into black soil.

This question belongs to: Geography GK Soils of India

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