Human Reproduction Question 199

Question: In B.O.D. test, oxygen plays an important role to

Options:

A) Destroy inorganic matter

B) Destroy pollution

C) Destroy waste organic matter

D) None of these

Show Answer

Answer:

Correct Answer: C

Solution:

BOD means number of miligrams of required for decomposition of one litre of waste or waste by decomposing microorganisms (bacteria).

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