Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Biology Ecology and Environment Environment
Which of the following is not an effect of ozone layer depletion?
1
Seasonal rainfall
2
Skin cancer
3
Mutations
4
More than one of the above
5
None of the above