
Coimbatore, Madurai, Virudhunagar, Thoothukudi, and Tirunelveli districts in Tamil Nadu have _______.
A. Alluvial soils
B. Black soils
C. Red loams
D. Laterite soils
Answer
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Hint: Soil is the topmost layer of the earth's lithosphere which is a mixture of organic matter, minerals, gases, liquids, and organisms that support life. The weathering of rocks of different chemical compositions leads to the formation of different soils. Based on their texture, particle size, color, and moisture retention capacity soils are classified into various categories.
Complete step-by-step solution:
The soil forms the uppermost layer in the earth's lithosphere and is one of the principal substrata of life on earth. It serves as a reserve oil of minerals, nutrients, and water. Many types of soils are found in India like Alluvial soil, black soil, red soil, etc.
Alluvial soil is carried by rivers and streams flowing from a mountain or hill to plains. It is loose soil that has been eroded and by some form and is redeposited on a land setting. These can also be carried by the rivers during floods.
Black soils are examples of in situ soil which are derivatives of lava that have settled on the earth's surface. In India, it is mostly found in the interiors of Gujarat, Maharashtra, Karnataka, and Madhya Pradesh on the Deccan Plateau and the Malwa plateau. It is poor in humus content yet its moisture-retentive capacity is very high. It is ideal for growing crops like cotton and sugarcane.
Thus, option (B) is correct.
Note: Laterite is a type of soil that is high in iron- oxide content and Aluminium content. Hot and wet tropical areas are where it is typically found. It is mostly used in the construction of buildings.
Complete step-by-step solution:
The soil forms the uppermost layer in the earth's lithosphere and is one of the principal substrata of life on earth. It serves as a reserve oil of minerals, nutrients, and water. Many types of soils are found in India like Alluvial soil, black soil, red soil, etc.
Alluvial soil is carried by rivers and streams flowing from a mountain or hill to plains. It is loose soil that has been eroded and by some form and is redeposited on a land setting. These can also be carried by the rivers during floods.
Black soils are examples of in situ soil which are derivatives of lava that have settled on the earth's surface. In India, it is mostly found in the interiors of Gujarat, Maharashtra, Karnataka, and Madhya Pradesh on the Deccan Plateau and the Malwa plateau. It is poor in humus content yet its moisture-retentive capacity is very high. It is ideal for growing crops like cotton and sugarcane.
Thus, option (B) is correct.
Note: Laterite is a type of soil that is high in iron- oxide content and Aluminium content. Hot and wet tropical areas are where it is typically found. It is mostly used in the construction of buildings.
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