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Question: Answered & Verified by Expert
Biochemical Oxygen Demand BOD is the amount of oxygen required (in ppm ):
ChemistryEnvironmental ChemistryJEE MainJEE Main 2020 (09 Jan Shift 2)
Options:
  • A for sustaining life in a water body.
  • B by bacteria to break-down organic waste in a certain volume of a water sample.
  • C for the photochemical breakdown of waste present in 1m3 volume of a water body
  • D by anaerobic bacteria to breakdown. inorganic waste present in a water body.
Solution:
1673 Upvotes Verified Answer
The correct answer is: by bacteria to break-down organic waste in a certain volume of a water sample.
The amount of oxygen required by bacteria to break down the organic matter present in a certain volume of a sample of water, is called Biochemical oxygen Demand (BOD).

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