railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test General Knowledge Indian Geography Soils
Which of the following is a method of soil conservation?
I. Mulching
II. Rock Dam
1
Both I and II
2
Neither I nor II
3
Only I
4
Only II
Which of the following is a method of soil conservation?
I. Mulching
II. Rock Dam