state gov Tamil Nadu Police SI (TNUSRB) Mock Test Series 2024 General Knowledge Indian Geography Soils
Which of the following is/are NOT the characteristic(s) of Black soils?
I. The soils are of volcanic origin
II. They are rich in iron oxides
III. They retain moisture for a longer time
IV. They have a high nitrogen content
1
II and III
2
Only III
3
Only IV
4
II and IV