Environment Studies (Science) (M.Phil./Ph.D.) 2016 Panjab University Entrance Exam With Answers

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46.

Biochemical Oxygen Demand (BOD) of sewage is the:

A: Oxygen require to oxidize biologically active organic matter
B: Oxygen required to oxidize biologically inactive organic matter
C: (A) and (B) both
D: None of these

The answer is: A

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