Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Knowledge Geography (World Geography) Biogeography
Black soil is ideal for the cultivation of cotton as:
1
Its colour is black.
2
It is found on plateau regions.
3
It can retain moisture.
4
More than one of the above
5
None of the above