Q. Which of the soil is called “Usara” Soils?

[A] Arid Soils

[B] Saline Soils

[C] Black Soils

[D] Laterite Soils

Answer: B
Notes:

Explanation: Saline soils are also known as Usara soils. They contain a larger proportion of sodium, potassium and magnesium, and thus, they are infertile, and do not support any vegetative growth.

They have more salt, largely because of the dry climate and poor drainage.

Source: NCERT – Fundamental of Physical Geography