Q. The purpose of biological treatment of waste water is to

A) Reduce BOD
B) Increase BOD
C) Reduce sedimentation
D) Increase sedimentation
Explanation

The growing microbes consume organic matter and thus reduce the Biochemical Oxygen Demand (BOD)

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.