A) Biotic oxide demand
B) Base of degradation
C) Biotic oxygen deduction
D) Biological oxygen demand
Correct Answer: D
Solution :[d] The amount of oxygen required by microorganism is called Biological (Biochemical) Oxygen Demand (BOD). Clean water has very low BOD whereas polluted water has very high BOD.
You need to login to perform this action.
You will be redirected in 3 sec