BOD of waste water is estimated by measuring the amount of:
a. total organic matter
b. biodegradable organic matter
c. oxygen evolution
d. oxygen consumption.
NCERT Class XII
Biology - Main Course Book
Chapter 10. Microbes in Human Welfare
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BOD of waste water is estimated by measuring the amount of total organic matter.
It is capable of decay and it is composed of organic compounds.
There is no meaning for organic matter and it is fully subjected towards soil which comes from plants and animals. It comes from a recently living organism.
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