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Biochemical oxygen demand(BOD) value can...

Biochemical oxygen demand(BOD) value can be a measure of water pollution caused by the organic matter. Which the following statements is correct?

A

Polluted water has BOD value higher than 10 ppm.

B

Acrobic bacteria decreases the BOD value.

C

Anaerobic bacteria increases the BOD value.

D

Clean water has BOD value higher than 10 ppm

Text Solution

Verified by Experts

The correct Answer is:
A
Clean water has BOD value less than 5 ppm. Polluted water has BOD value higher than 10 ppm.
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