Soils of India MCQs with Answers and Explanations

Question #261

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Which factor influences soil formation the most over long periods?

A. Time

B. Industry

C. Currency

D. Population

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Correct Answer: Option A

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

This question belongs to: Geography GK Soils of India

Question #262

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Which region of India is known for saline soils caused by seawater intrusion?

A. Coastal Gujarat

B. Himachal Pradesh

C. Assam Hills

D. Jharkhand

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Correct Answer: Option A

Explanation:
Coastal Gujarat experiences salinity due to seawater intrusion and high evaporation.

This question belongs to: Geography GK Soils of India

Question #263

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Which nutrient is most associated with chlorophyll formation?

A. Gold

B. Nitrogen

C. Mercury

D. Lead

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Correct Answer: Option B

Explanation:
Nitrogen is essential for chlorophyll production and healthy plant growth.

This question belongs to: Geography GK Soils of India

Question #264

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Which soil is generally found in regions with annual rainfall below 50 cm?

A. Desert Soil

B. Laterite Soil

C. Peaty Soil

D. Forest Soil

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Correct Answer: Option A

Explanation:
Desert soils develop in arid regions receiving very low rainfall.

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Question #265

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The major soil group of the Thar Desert is:

A. Laterite Soil

B. Black Soil

C. Sandy Soil

D. Mountain Soil

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Correct Answer: Option C

Explanation:
The Thar Desert is dominated by sandy soils with low moisture retention.

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Question #266

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Which soil is often called 'self-aerated soil'?

A. Red Soil

B. Alluvial Soil

C. Peaty Soil

D. Black Soil

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Correct Answer: Option D

Explanation:
Deep cracks formed in black soil during dry seasons allow natural aeration.

This question belongs to: Geography GK Soils of India

Question #267

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Which crop is extensively cultivated in the alluvial soils of West Bengal?

A. Rubber

B. Jute

C. Tea only

D. Coffee

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Correct Answer: Option B

Explanation:
The fertile alluvial soils of West Bengal are highly suitable for jute cultivation.

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Question #268

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The reddish-brown color of laterite soil is mainly due to:

A. Humus

B. Iron Oxides

C. Quartz

D. Limestone

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Correct Answer: Option B

Explanation:
Iron oxides accumulate in laterite soil after leaching and give it a reddish appearance.

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Question #269

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Which soil is typically shallow and gravelly on hill slopes?

A. Mountain Soil

B. Black Soil

C. Peaty Soil

D. Alluvial Soil

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Correct Answer: Option A

Explanation:
Mountain soils are often shallow, coarse, and gravelly due to slope erosion.

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Question #270

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Which state is famous for tea cultivation on mountain soils?

A. Rajasthan

B. Gujarat

C. Punjab

D. Assam

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Correct Answer: Option D

Explanation:
Tea plantations in Assam thrive on well-drained hill and mountain soils.

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Question #271

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What is the major cause of soil erosion in the Shivalik Hills?

A. Earthquakes

B. Volcanic activity

C. Tides

D. Deforestation

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Correct Answer: Option D

Explanation:
Deforestation exposes soil to rainfall and runoff, causing severe erosion.

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Question #272

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Which farming method helps conserve soil moisture?

A. Mining

B. Mulching

C. Overgrazing

D. Deforestation

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Correct Answer: Option B

Explanation:
Mulching reduces evaporation and helps retain soil moisture.

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Question #273

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The soil found in deltaic regions is generally:

A. Mountain

B. Black

C. Alluvial

D. Laterite

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Correct Answer: Option C

Explanation:
Deltaic regions receive continuous deposits of fertile alluvial sediments.

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Question #274

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Which soil is most suitable for pulse cultivation in central India?

A. Black Soil

B. Saline Soil

C. Marshy Soil

D. Peaty Soil

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Correct Answer: Option A

Explanation:
Black soils support pulses due to their moisture-retaining properties.

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Question #275

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Which process removes nutrients from the upper layers of soil?

A. Mulching

B. Leaching

C. Afforestation

D. Humification

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Correct Answer: Option B

Explanation:
Leaching washes soluble nutrients downward through the soil profile.

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Question #276

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Which soil is commonly associated with paddy cultivation in river valleys?

A. Saline Soil

B. Desert Soil

C. Alluvial Soil

D. Forest Soil

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Correct Answer: Option C

Explanation:
Rice cultivation flourishes in fertile and moisture-retentive alluvial soils.

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Question #277

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Which type of weathering contributes most to soil formation in tropical regions?

A. Chemical Weathering

B. Glacial Weathering

C. Marine Weathering

D. Mechanical Weathering

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Correct Answer: Option A

Explanation:
High temperatures and rainfall accelerate chemical weathering in tropical climates.

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Question #278

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Which soil contains the highest amount of clay among major Indian soil types?

A. Black Soil

B. Red Soil

C. Laterite Soil

D. Desert Soil

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Correct Answer: Option A

Explanation:
Black soil is highly clayey and therefore has excellent moisture retention.

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Question #279

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Which soil is generally found in the Brahmaputra Valley?

A. Black Soil

B. Desert Soil

C. Alluvial Soil

D. Laterite Soil

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Correct Answer: Option C

Explanation:
The Brahmaputra Valley is covered with fertile alluvial deposits.

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Question #280

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Which soil conservation measure involves growing alternate strips of crops?

A. Mulching

B. Strip Cropping

C. Terracing

D. Afforestation

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Correct Answer: Option B

Explanation:
Strip cropping reduces runoff velocity and helps prevent soil erosion.

This question belongs to: Geography GK Soils of India

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