Biochemical Oxygen Demand#!#Water Pollution

The greater BOD (Biochemical Oxygen Demand) of waste water indicates

Biochemical oxygen demand measures:

High value of BOD (Biochemical Oxygen Demand) indicates that:

Biochemical Oxygen Demand (BOD) is the amount of oxygen required (in ppm):

All are correct w.r.t. BOD (Biochemical Oxygen Demand), except

What do you mean by Biochemical Oxygen Demand (BOD)?

Biochemical oxygen demand represents :

Environmental issues;Noise Pollution Effects OF Noise Pollution Control OF Noise Pollution Sound Zones Water Pollution Biochemical Oxygen Demand (BOD) Eutrophication

Biochemical Oxygen Demand (BOD) in a river water