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Class XII Biology Environmental Issues 3
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Question 1
DDT is a
Question 2
A river with an inflow of domestic sewage rich in organic waste may result in
Question 3
Biochemical Oxygen Demand (BOD) may not be a good index for pollution in water bodies receiving effluents from
Question 4
Secondary pollutant which stops Hill reaction is
Question 5
Major pollution causing agent is
Question 6
Photochemical transformation of the automobile exhaust emission in UV wavelength of sunlight results into
Question 7
Acid rain is the secondary effect of
Question 8
Which of the following is air pollution related disorder?
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Sep 16NEET & AIIMS