Biochemical oxygeb demand (BOD) in a river waterA. has no relatiship with concentration of oxygen in the waterB. gives a measure of Salmonella in the waterC. increases when sewage gets mixed with river waterD. remains unchanged when algal bloom occurs.

Biochemical oxygeb demand (BOD) in a river waterA. has no relatiship w

1.	Biochemical oxygeb demand (BOD) in a river waterA. has no relatiship with concentration of oxygen in the waterB. gives a measure of Salmonella in the waterC. increases when sewage gets mixed with river waterD. remains unchanged when algal bloom occurs.
Answer» Correct Answer - C

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Biochemical oxygeb demand (BOD) in a river waterA. has no relatiship with concentration of oxygen in the waterB. gives a measure of Salmonella in the waterC. increases when sewage gets mixed with river waterD. remains unchanged when algal bloom occurs.

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