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CGP EDU Academic Team
Published on: August 14, 2026
Biochemical oxygen demand (BOD) is a measure of organic materials present in water, BOD value less than 
indicates a water sample to be
Text Solution
Verified by ExpertsThe correct answer is:
A
The amount of oxygen required by bacteria to decompose the organic matter present in a certain volume of a sample of water, is called biochemical oxygen demand (BOD). Clean water would have BOD value of less than 
whereas highly polluted water could have a BOD value of 
or more. It means BOD value less than 
indicates a water sample to be rich in dissolved oxygen.
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