Q.

Which soil is known as self-ploughing soil?


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a

Loamy soil

b

Black soil

c

Red soil

d

sandy soil 

answer is B.

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Detailed Solution

Concept- The only soil possessing the characteristics of self-ploughing soil is black, as far as is known. It is often referred to as normal soil or cotton soil.
It is a member of India's third-largest soil group.
Black soils are mineral soils that have a black surface horizon that is at least 25 cm deep and rich in organic carbon. The first and second groups of black soils are recognised. Regur is a term for local black soils. The third most typical form of soil is alluvial soil. The arid soils of Rajasthan, the salty soils of Gujarat, southern Rajasthan, and some coastal regions, as well as the mountain soils of the Himalayas, are all noteworthy as well.
Hence, the correct answer is option 2.
 
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