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Question: Answered & Verified by Expert
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.
BiologyEnvironmental IssuesAIIMSAIIMS 2011
Options:
  • A If both assertion and reason are true and reason is the correct explanation of assertion
  • B If both assertion and reason are true but reason is not the correct explanation of assertion
  • C If assertion is true but reason is false
  • D If both assertion and reason are false.
Solution:
1191 Upvotes Verified Answer
The correct answer is: 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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