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Biochemical Oxygen Demand (BOD) in a riv...

Biochemical Oxygen Demand (BOD) in a river water

A

has no relationship with concentration of oxygen in the water

B

gives a measure of Salmonella in the water

C

increases when sewage gets mixed with river water

D

remains unchanged when algal bloom occurs

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The correct Answer is:
C
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AAKASH SERIES-ENVIRONMENTAL ISSUES-Exercise-III (Previous AIPMT/NEET Questions)
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  8. Montreal Protocol aims at:

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  18. Which one of the following is not a bioindicator of water pollution?

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  19. In a coal-fired power plant, electrostatic precipitators are installed...

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