Environmental Studies ยท Geography
Soil Science
1,499 Questions
Soil Science examines the formation, classification, and properties of soil as a critical natural resource. This hub offers practice questions covering soil horizons, soil types like laterite and black soil, and regional soil characteristics. The content is highly useful for agriculture exams and civil services preparation.
Soil typesSoil horizonsSoil formation factorsAgricultural soil requirementsIndian soilsForest and mountain soils
Soil Science Questions
Which soil type is characterized by its sandy texture and is suitable for growing groundnuts?
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Alluvial soil
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Black soil
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Red soil
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Sandy soil
D
Correct answer
Explanation
Sandy soil is characterized by its sandy texture and is suitable for growing groundnuts. It is typically found in the coastal regions of India.
Which soil type is known for its high clay content and is suitable for growing sugarcane?
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Alluvial soil
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Black soil
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Red soil
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Clayey soil
D
Correct answer
Explanation
Clayey soil is known for its high clay content and is suitable for growing sugarcane. It is typically found in the northern and eastern parts of India.
Which soil type is characterized by its reddish-brown color and is suitable for growing jowar?
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Alluvial soil
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Black soil
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Red soil
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Laterite soil
C
Correct answer
Explanation
Red soil is characterized by its reddish-brown color and is suitable for growing jowar. It is typically found in the southern and eastern parts of India.
Which soil type is known for its high organic matter content and is suitable for growing vegetables?
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Alluvial soil
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Black soil
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Red soil
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Peaty soil
D
Correct answer
Explanation
Peaty soil is known for its high organic matter content and is suitable for growing vegetables. It is typically found in wetlands and marshes.
Which soil type is characterized by its dark gray color and is suitable for growing rice?
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Alluvial soil
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Black soil
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Red soil
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Laterite soil
A
Correct answer
Explanation
Alluvial soil is characterized by its dark gray color and is suitable for growing rice. It is typically found in the Indo-Gangetic Plain.
Which soil type is commonly found in the alluvial plains of northern India and is known for its high fertility?
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Black soil
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Red soil
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Laterite soil
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Alluvial soil
D
Correct answer
Explanation
Alluvial soil is formed by the deposition of sediments by rivers and is characterized by its high fertility due to its rich nutrient content.
What is the predominant soil type in the Deccan Plateau region of India?
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Black soil
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Red soil
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Laterite soil
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Sandy soil
A
Correct answer
Explanation
Black soil, also known as regur soil, is commonly found in the Deccan Plateau and is known for its dark color, high clay content, and ability to retain moisture.
Which soil type is associated with the coastal regions of India and is characterized by its sandy texture?
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Black soil
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Red soil
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Laterite soil
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Sandy soil
D
Correct answer
Explanation
Sandy soil is found in coastal areas and is composed primarily of sand particles, resulting in its loose and well-drained nature.
What is the primary factor responsible for the formation of laterite soil in India?
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High rainfall
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Low temperature
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Strong winds
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Volcanic activity
A
Correct answer
Explanation
Laterite soil is formed in regions with high rainfall and intense leaching, which removes soluble minerals and leaves behind iron and aluminum oxides, giving the soil its characteristic red color.
Which soil type is known for its reddish color and is commonly found in the eastern and southern parts of India?
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Black soil
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Red soil
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Laterite soil
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Alluvial soil
B
Correct answer
Explanation
Red soil, also known as red sandy soil, is found in eastern and southern India and is characterized by its reddish color due to the presence of iron oxides.
Which soil type is known for its high organic matter content and is often found in forested areas?
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Black soil
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Red soil
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Laterite soil
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Forest soil
D
Correct answer
Explanation
Forest soil is characterized by its high organic matter content due to the accumulation of decaying plant material, making it fertile and suitable for plant growth.
Which soil type is known for its poor drainage and is often found in low-lying areas?
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Black soil
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Red soil
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Laterite soil
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Clayey soil
D
Correct answer
Explanation
Clayey soil has a high clay content, which results in poor drainage and waterlogging, making it less suitable for agriculture.
Which soil type is known for its high calcium carbonate content and is commonly found in arid and semi-arid regions?
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Black soil
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Red soil
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Laterite soil
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Calcareous soil
D
Correct answer
Explanation
Calcareous soil is characterized by its high calcium carbonate content, which gives it a light color and makes it less suitable for agriculture due to its alkaline nature.
What is the primary factor responsible for the formation of alluvial soil in India?
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High rainfall
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Low temperature
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Strong winds
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River deposition
D
Correct answer
Explanation
Alluvial soil is formed by the deposition of sediments by rivers during flooding, resulting in its fertile and well-drained nature.
Which soil type is known for its high salt content and is often found in coastal areas and arid regions?
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Black soil
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Red soil
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Laterite soil
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Saline soil
D
Correct answer
Explanation
Saline soil is characterized by its high salt content, which can hinder plant growth and make the soil less productive.