EASY
12th Tamil Nadu Board
IMPORTANT
Earn 100

Expand CFC. 

Important Questions on Environmental Issues

EASY
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 12 - Environmental Issues>Evaluation>Q 10

Expand AQI.

MEDIUM
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 12 - Environmental Issues>Evaluation>Q 10

Expand PAN. 

HARD
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 12 - Environmental Issues>Evaluation>Q 11
What is SMOG and how it is harmful for us?
EASY
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 12 - Environmental Issues>Evaluation>Q 12
List all the wastes that you generate, at home, school or during your trips to other places. Could you very easily reduce the generation of these wastes? Which would be difficult or rather impossible to reduce?
HARD
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 12 - Environmental Issues>Evaluation>Q 13

Write a note on Eutrophication.

MEDIUM
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 12 - Environmental Issues>Evaluation>Q 13

Write a note on Algal Bloom.

HARD
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 12 - Environmental Issues>Evaluation>Q 14
What effect can fertilizer runoff have on an aquatic ecosystem?
MEDIUM
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 12 - Environmental Issues>Evaluation>Q 15
How can we control eutrophication?