First slide

Water Pollution and its Control

Question

Measuring BOD mainly helps in

Easy

A

estimating the amount of non-biodegradable organic matter in water.
B

estimating the amount of biodegradable organic matter in water.
C

counting the microbial species richness in the water body.
D

estimating the population size of aquatic flora and fauna.

Solution

BOD is the amount of oxygen required by microorganisms for the decomposition of organic wastes present in water. It is possible to estimate the amount of biodegradable organic matter in sewage water by measuring Biochemical Oxygen Demand (BOD).

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