EASY
12th West Bengal Board
IMPORTANT
Earn 100

Chlorofluorocarbons are air polluting agents produced by

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Important Questions on Environmental Issues

EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 16 - Environmental Issues>EXERCISE>Q 33

Which of the following pollutant is released from the moving motor vehicles ?

EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 16 - Environmental Issues>EXERCISE>Q 34

Which of the following is considered a secondary pollutant ?

EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 16 - Environmental Issues>EXERCISE>Q 1
The entire inhabited part of the earth where living organisms exist along with the abiotic environment is called _____.
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 16 - Environmental Issues>EXERCISE>Q 2
The materials which cause pollution of the environment are called _____.
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 16 - Environmental Issues>EXERCISE>Q 3
Itai-Itai disease caused due to deficiency of _____.
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 16 - Environmental Issues>EXERCISE>Q 4
The increase in toxicity (poisonous effect) by reaction among the primary pollutants is called _____ due to which effect is enhanced.
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 16 - Environmental Issues>EXERCISE>Q 5
Particles with least diameter are present in _____.
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 16 - Environmental Issues>EXERCISE>Q 6
The full form of CNG is _____. (Combined natural gas/ Compressed natural gas)