Agriculture And Soil In Indian Geography - Study Mode

[#141] The crop which is produced largely/mostly in India
Correct Answer

(D) Rice

Explanation

Solution: Rice is produced largely in India and the major rice producing states are West Bengal, U.P., A.P., Punjab, Tamil Nadu, Odisha and Bihar.

[#142] The transfer of minerals from top soil to subsoil through soil water is called ________
Correct Answer

(C) Leaching

Explanation

Solution: Leaching is the process by which the loss (or) extraction of essential material (like micro & macro nutrients) of soil occurs. It may be done through water, wind (or) other agents.

[#143] Why is crop rotation necessary?
Correct Answer

(A) To increase the fertility of soil

Explanation

Solution: Soil contains many minerals and salts. Some of them are used by one type of crop while others by other crops. Crop rotation will help to regain those minerals and will prevent the over exploitation of one type of mineral.

[#144] The important feature of shifting cultivation is ________
Correct Answer

(C) Change of cultivation site

Explanation

Solution: The important feature of shifting cultivation is Change of cultivation site. Shifting cultivation is an agricultural system in which a person uses a piece of land, only to abandon or alter the initial use a short time later. This system often involves clearing of a piece of land followed by several years of wood harvesting or farming until the soil loses fertility.

[#145] Black soils are ideal for cultivation of cotton as
Correct Answer

(B) They can retain moisture

Explanation

Solution: Black soils are ideal for cultivation of cotton as they can retain moisture. Cotton cultivation requires high moisture retention. Black soils are very fine grained and dark, contain a high proportion of calcium and magnesium carbonates and highly argillaceous.