JEE Main 2020 — Environmental Chemistry Question with Solution
From: JEE Main 2020 (Online) 9th January Evening Slot
Question
Biochemical Oxygen Demand (BOD) is the
amount of oxygen required (in ppm) :
Choose an option
Show full solutionCorrect option: D
Correct answer
Dby bacteria to break-down organic waste in
a certain volume of a water sample.
Step-by-step explanation
Biochemical oxygen demand (BOD) is amount
of oxygen required by bacteria to break down
organic waste in a certain volume of water
sample.
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This is a previous-year question from JEE Main 2020, covering the Environmental Chemistry chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.