MCQ
All are correct w.r.t. $BOD$ (Biochemical Oxygen Demand), except
  • A
    It refers to the amount of oxygen that would be consumed if all the organic matter in one liter of water were oxidised by bacteria
  • B
    The $BOD$ test is a measure of the organic matter present in the water
  • The greater the $BOD$ of waste water, less is its polluting potential
  • D
    Waste water is treated till $BOD$ is reduced significantly

Answer

Correct option: C.
The greater the $BOD$ of waste water, less is its polluting potential
c
Greater the $BOD$ of waste water greater is its polluting potential because higher $BOD$ indicates large amount of organic matter.

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