Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Knowledge Geography (World Geography) Biogeography
Which of the following statement regarding Black soil is not correct?
1
It is formed by the solidification of lava spread over a large area of the Deccan plateau.
2
They are very rich in minerals contents because these soils were formed due to volcanic activities.
3
They are also rich in phosphorous, nitrogen and organic matter.
4
More than one of the above
5
None of the above