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JEE Main 20209 JanuaryEvening Shift
Exam
JEE Main
Year
2020
Date
9 January
Shift
Evening Shift
Subject
Chemistry
Chapter
Environmental Chemistry

JEE Main 2020 · 9 January · Evening Shift · Chemistry · Environmental Chemistry

Biochemical Oxygen Demand (BOD) is the amount of oxygen required...

Biochemical Oxygen Demand (BOD)\left(BOD\right) is the amount of oxygen required (in ppmppm ):

Options

  1. Afor sustaining life in a water body.
  2. Bby bacteria to break-down organic waste in a certain volume of a water sample.
  3. Cfor the photochemical breakdown of waste present in 1m31{m}^{3} volume of a water body
  4. Dby anaerobic bacteria to breakdown. inorganic waste present in a water body.

Correct answer

B. by bacteria to break-down organic waste in a certain volume of a water sample.

Step-by-step solution

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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