Assertion: Amount of organic biodegradable compounds present in water is measured by the BOD of that water.
Reason: During biodegradation of biodegradable organic compounds, oxygen is released by bacteria

If both assertion and reason are true and reason is the correct explanation of assertion

If both assertion and reason are true but reason is not the correct explanation of assertion

If assertion is true but reason is false

If both assertion and reason are false.

Solution

If assertion is true but reason is false

Organic biodegradable (i.e. they can be degraded by decomposers) pollutants in water are measured by BOD. BOD( biological oxygen demand) is the oxygen demanded or required by bacteria and other decomposers to oxidise pollutants.

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Reproduction In Organisms

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