Q. Consider the following statements:

1. In ancient times, soils used to be classified into two main groups - Urvara and Usara.
2. In the 16th centrury A.D., soils were classified on the basis of their texture, colour, slope of land and moisture.

Which of the above mentioned is /are incorrect?
Answer: None of the above
Notes: In ancient times, soils used to be classified into two main groups - Urvara and Usara, which were fertile and sterile, respectively. In the 16th centrury A.D., soils were classified on the basis of their inherent characteristics and external features such as texture, colour, slope of land and moisture content in the soil. Based on texture, main soil types were identified as sandy, clayey, silty and loam, etc. On the basis of colour, they were red, yellow, black, etc.

This question is part of UPSC Daily 20 MCQ Series Course on GKToday Android app.