Soils of India MCQs
Practice Soils of India MCQs with answers and detailed explanations covering alluvial soil, black soil, red soil, laterite soil, desert soil, mountain soil, soil formation, soil conservation, soil distribution and important agriculture-related geography topics frequently asked in SSC, Railway, Banking, UPSC, JKSSB, Police, Defence, Teaching and other competitive examinations.
Question #181
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Which soil is also known as 'Usar' soil in India?
Correct Answer: Option B
Explanation:
Usar refers to saline and alkaline soils that contain excessive salts and have poor fertility.
Usar refers to saline and alkaline soils that contain excessive salts and have poor fertility.
This question belongs to:
Geography GK
Soils of India
Question #182
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Excessive irrigation without proper drainage may lead to:
Correct Answer: Option D
Explanation:
Improper irrigation causes waterlogging and accumulation of salts, leading to salinity.
Improper irrigation causes waterlogging and accumulation of salts, leading to salinity.
This question belongs to:
Geography GK
Soils of India
Question #183
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Which crop is most tolerant to saline soils?
Correct Answer: Option B
Explanation:
Barley is relatively tolerant to saline soil conditions compared to many other crops.
Barley is relatively tolerant to saline soil conditions compared to many other crops.
This question belongs to:
Geography GK
Soils of India
Question #184
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Which soil is generally found along the foothills of the Himalayas?
Correct Answer: Option D
Explanation:
Mountain and forest soils occur extensively along the Himalayan foothills.
Mountain and forest soils occur extensively along the Himalayan foothills.
This question belongs to:
Geography GK
Soils of India
Question #185
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Which agricultural practice increases soil erosion?
Correct Answer: Option B
Explanation:
Overgrazing removes vegetation cover and exposes soil to erosion.
Overgrazing removes vegetation cover and exposes soil to erosion.
This question belongs to:
Geography GK
Soils of India
Question #186
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The major component of sandy soil is:
Correct Answer: Option D
Explanation:
Sandy soil consists predominantly of large sand particles and has low water retention.
Sandy soil consists predominantly of large sand particles and has low water retention.
This question belongs to:
Geography GK
Soils of India
Question #187
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Which soil texture is considered ideal for agriculture?
Correct Answer: Option D
Explanation:
Loam provides a balanced combination of drainage, aeration, and nutrient retention.
Loam provides a balanced combination of drainage, aeration, and nutrient retention.
This question belongs to:
Geography GK
Soils of India
Question #188
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Which region is famous for red and lateritic soils in India?
Correct Answer: Option D
Explanation:
Red and lateritic soils are widespread across eastern and southern peninsular India.
Red and lateritic soils are widespread across eastern and southern peninsular India.
This question belongs to:
Geography GK
Soils of India
Question #189
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What is the primary source of humus in soil?
Correct Answer: Option B
Explanation:
Humus originates from decomposed organic matter such as plants and animals.
Humus originates from decomposed organic matter such as plants and animals.
This question belongs to:
Geography GK
Soils of India
Question #190
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Which state has extensive saline soils in the Rann region?
Correct Answer: Option C
Explanation:
The Rann of Kutch in Gujarat is characterized by saline soil deposits.
The Rann of Kutch in Gujarat is characterized by saline soil deposits.
This question belongs to:
Geography GK
Soils of India
Question #191
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Which crop is commonly grown in laterite soils of Karnataka?
Correct Answer: Option C
Explanation:
Coffee plantations are extensively cultivated on laterite soils in Karnataka.
Coffee plantations are extensively cultivated on laterite soils in Karnataka.
This question belongs to:
Geography GK
Soils of India
Question #192
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Which process enriches the upper soil layer with organic matter?
Correct Answer: Option A
Explanation:
Humification is the conversion of organic matter into humus.
Humification is the conversion of organic matter into humus.
This question belongs to:
Geography GK
Soils of India
Question #193
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The downward movement of dissolved minerals through soil is called:
Correct Answer: Option B
Explanation:
Leaching involves the washing away of soluble minerals to lower soil horizons.
Leaching involves the washing away of soluble minerals to lower soil horizons.
This question belongs to:
Geography GK
Soils of India
Question #194
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Which type of erosion occurs due to raindrop impact?
Correct Answer: Option B
Explanation:
Splash erosion is caused by the direct impact of raindrops on exposed soil.
Splash erosion is caused by the direct impact of raindrops on exposed soil.
This question belongs to:
Geography GK
Soils of India
Question #195
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Which soil is generally found in river floodplains?
Correct Answer: Option D
Explanation:
Floodplains receive fresh alluvial deposits during river floods.
Floodplains receive fresh alluvial deposits during river floods.
This question belongs to:
Geography GK
Soils of India
Question #196
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Which nutrient deficiency causes yellowing of leaves in crops?
Correct Answer: Option C
Explanation:
Deficiency of nitrogen or iron can lead to chlorosis, causing leaves to turn yellow.
Deficiency of nitrogen or iron can lead to chlorosis, causing leaves to turn yellow.
This question belongs to:
Geography GK
Soils of India
Question #197
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Which Indian region is famous for black soil and sugarcane cultivation?
Correct Answer: Option A
Explanation:
The Maharashtra Plateau's black soil supports large-scale sugarcane cultivation.
The Maharashtra Plateau's black soil supports large-scale sugarcane cultivation.
This question belongs to:
Geography GK
Soils of India
Question #198
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Which soil type contains the highest proportion of clay particles?
Correct Answer: Option A
Explanation:
Black soil is clay-rich and therefore exhibits high moisture retention.
Black soil is clay-rich and therefore exhibits high moisture retention.
This question belongs to:
Geography GK
Soils of India
Question #199
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Which of the following is a biological factor of soil formation?
Correct Answer: Option C
Explanation:
Microorganisms contribute to decomposition and nutrient cycling in soil formation.
Microorganisms contribute to decomposition and nutrient cycling in soil formation.
This question belongs to:
Geography GK
Soils of India
Question #200
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The term 'soil profile' refers to:
Correct Answer: Option A
Explanation:
A soil profile is a vertical cross-section displaying different soil horizons.
A soil profile is a vertical cross-section displaying different soil horizons.
This question belongs to:
Geography GK
Soils of India
