Question

41. In ancient times the term Usara was used to indicate (A) Fertile soil (B) Sterile soil (C) Waste soil (D) Sandy soil​

Answer 1

In ancient times, term Usara was used to indicate Sterile Soil.

Explanation:

Soil is the mixture of rock debris and organic materials which develop on the earth’s surface. The major factors affecting the formation of soil are relief, parent material, climate, time, and biodiversity including the human activities. India is a diverse country with variety of relief features, landforms, climatic realms and vegetation types. These have contributed in the development of various types of soils in India. In ancient times, soils used to be classified into two main groups – Urvara and Usara, which were fertile and sterile, respectively.