[" 28.High biological oxygen "],[" demand in a water body "],[" means "]

What is biological oxygen demand ?

BOD (biological oxygen demand) is

BOD (biological oxygen demand) is

High biological oxygen demand in a water body means ………. (a) water is not polluted (b) water is less polluted (c) water body contains lots of life forms and organic pollutant. (d) None of the above

Biological oxygen demand (BOD) is a measure of

Biochemicals oxygen demands in a river water

Briefly explain Biological Oxygen Demand in water .