HARD
12th Nagaland Board
IMPORTANT
Earn 100

What is biomagnification? List out the effects of biomagnification.

Important Questions on Environmental Issues
MEDIUM
12th Nagaland Board
IMPORTANT
A healthy aquatic ecosystem has a D.O content of

MEDIUM
12th Nagaland Board
IMPORTANT
Write two effects of peroxyacetyl nitrate (PAN).

MEDIUM
12th Nagaland Board
IMPORTANT
Which one of the following is regarded as ‘terror of Bengal’?

MEDIUM
12th Nagaland Board
IMPORTANT
The thickness of the ozone in a column of air is measured in

MEDIUM
12th Nagaland Board
IMPORTANT
Give two harmful effects of ozone layer depletion.
