MEDIUM
12th Nagaland Board
IMPORTANT
Earn 100

Give two harmful effects of ozone layer depletion.

Important Questions on Environmental Issues

MEDIUM
12th Nagaland Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 16 - Environmental Issues>Nagaland Board-2018>Q 1
Mention three effects of ozone depletion.
MEDIUM
12th Nagaland Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 16 - Environmental Issues>Nagaland Board-2018>Q 2
Differentiate between primary and secondary air pollutants.
HARD
12th Nagaland Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 16 - Environmental Issues>Nagaland Board-2018>Q 3
What is biomagnification? List out the effects of biomagnification.
MEDIUM
12th Nagaland Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 16 - Environmental Issues>Nagaland Board-2019>Q 4
A healthy aquatic ecosystem has a D.O content of
MEDIUM
12th Nagaland Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 16 - Environmental Issues>Nagaland Board-2019>Q 5
Write two effects of peroxyacetyl nitrate (PAN).
MEDIUM
12th Nagaland Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 16 - Environmental Issues>Nagaland Board-2020>Q 6
Which one of the following is regarded as ‘terror of Bengal’? 
MEDIUM
12th Nagaland Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 16 - Environmental Issues>Nagaland Board-2020>Q 7
The thickness of the ozone in a column of air is measured in 
MEDIUM
12th Nagaland Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 16 - Environmental Issues>Nagaland Board-2020>Q 8
Give two harmful effects of ozone layer depletion.