Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> With respect to the Black soil, consider the following statements:

1. These soils are also known as the ‘Regur Soil’ or the ‘Black Cotton Soil’.
2. In India this soil is typical of deccan trap ( Basaltic) region, spread over north west deccan plateau and is made of lava flows.
3. The black soils lack lime, iron, magnesia, potash and alumina. But they are rich in phosphorus, nitrogen and organic matter.
4. In the dry season , these soils develop wide cracks, which helps in proper aeration of soil. This phenomenon is referred to as “self ploughing”

Select the correct code from the following:

• A. 1, 2 and 3 only
• B. 1, 2 and 4 only
• C. 1, 3 and 4 only
• D. All of the above.

Answer 1

The correct option is B 1, 2 and 4 only

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Statement 3 is incorrect :

The black soils are rich in lime, iron, magnesia, potash and alumina. But they lack phosphorus, nitrogen and organic matter.