Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Knowledge Geography (World Geography) Biogeography
The balance in the environment gets disturbed if
1
the relative number of species is not disturbed
2
deforestation and soil erosion continue
3
indiscriminate killing of wildlife is banned
4
More than one of the above
5
None of the above