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Concept of BOD

What is NOT t...

Question

What is NOT true about BOD?

A

It is a result of a biological process

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B

Polluted water has high BOD

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C

River at its source has high BOD

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D

Oxygen is required for the degradation of organic matter

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Solution

The correct option is C
River at its source has high BOD

Biochemical oxygen demand (BOD, also called biological oxygen demand) is the amount of dissolved oxygen needed (i.e. demanded) by aerobic biological organisms to break down organic material present in a given water sample at certain temperature over a specific time period.

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Similar questions

Q. Statement 1 : BOD represents the amount of dissolved oxygen that would be consumed if all the organic matter in one litre of water were oxidised by microorganisms.
Statement 2 : High value of BOD indicates that water is highly polluted by organic matter.

Q. The value of biological oxygen demand(BOD) of highly polluted water is:

Q. A water body has high BOD, indicating that water is

Q. Assertion :The amount of BOD in the waters is a measure of the amount of organic material in the water. Reason: Clear water has BOD less than 5 ppm whereas highly polluted water have BOD value of 17 ppm or more.

Q. BOD or Biological Oxygen Demand is the level of oxygen needed in the water body for organisms to survive.

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