Q. “These soils cover most of northern plains and formed by three rivers” – related to which of the following?
Answer: C
Notes:
Explanation: Alluvial Soils: This is the most widely spread and important soil. In fact, the entire northern plains are made of alluvial soil.
These have been deposited by three important Himalayan River systems– the Indus, the Ganga and the Brahmaputra.
Source: NCERT