Which factor influences soil formation the most over long periods? MCQ with Answer and Explanation

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Which factor influences soil formation the most over long periods?

A. Population

B. Industry

C. Currency

D. Time

Answer: Option D

Solution (By JKSSB Mock Tests)

Time allows weathering and soil-forming processes to operate and develop mature soil profiles.

This question belongs to: Geography GK Soils of India

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Question #1

Which soil is highly prone to landslides when deforested?

A. Mountain soil

B. Alluvial soil

C. Black soil

D. Desert soil

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Correct Answer: Option A

Explanation:
Mountain soil regions become unstable and prone to landslides after deforestation.

This question belongs to: Geography GK Soils of India

Question #2

Which bacteria are associated with nitrogen fixation in leguminous crops?

A. Azotobacter only

B. Lactobacillus

C. E.coli

D. Rhizobium

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Correct Answer: Option D

Explanation:
Rhizobium bacteria live in root nodules and convert atmospheric nitrogen into usable forms.

This question belongs to: Geography GK Soils of India

Question #3

Which soil is formed under conditions of moderate rainfall and temperature?

A. Peaty Soil

B. Red Soil

C. Saline Soil

D. Laterite Soil

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Correct Answer: Option B

Explanation:
Red soil develops under moderate climatic conditions through weathering of crystalline rocks.

This question belongs to: Geography GK Soils of India

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