Dumping sewage into lakes nbsp- the BOD of the water in the lakes-does not affectincreasesdecreasesnullifies

The correct option is B increasesSince the sewage is rich in organic nutrients, the growth of nbsp; microorganisms will be rapid in the lake and this hampers ...

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Standard XII

Biology

Concept of BOD

Dumping sewag...

Question

Dumping sewage into lakes the BOD of the water in the lakes.

does not affect

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increases

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decreases

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nullifies

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Solution

The correct option is B increases
Since the sewage is rich in organic nutrients, the growth of microorganisms will be rapid in the lake and this hampers the availability of dissolved oxygen in the water. This in turn increases the BOD of the water.

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Dumping sewage into lakes the BOD of the water in the lakes.

The correct option is B increasesSince the sewage is rich in organic nutrients, the growth of microorganisms will be rapid in the lake and this hampers the availability of dissolved oxygen in the water. This in turn increases the BOD of the water.

The correct option is B increases
Since the sewage is rich in organic nutrients, the growth of microorganisms will be rapid in the lake and this hampers the availability of dissolved oxygen in the water. This in turn increases the BOD of the water.