High value of BOD (biochemical oxygen demand) indicates that

1 2015 AIPMT-I Microbes in Human WelfareSewage treatment Easy
High value of BOD (biochemical oxygen demand) indicates that
A Water is pure
B Water is highly polluted
C Water is less polluted
D Consumption of organic matter in the water is higher by the microbes

Detailed Solution

BOD is the amount of oxygen needed by microorganisms to break down the organic matter in water.
A high BOD means a large amount of organic matter, i.e. the water is highly polluted.

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