Q. Consider the following statement I. Biochemical Oxygen Demand (BOD) represents the amount of dissolved oxygen that would be consumed if all the organic matter in 1 L of water were oxidized by microorganism II. Low value of BOD means the water is either normal or less polluted by organic matter III. High value of BOD means the water in highly polluted by organic matter Which of statement given above are correct?
A) I and II
B) I and III
C) II and III
D) I, II and III
Explanation
BOD refer to the amount of oxygen consumed if all the organic matter in one litre of water is oxidized by bacteria. Higher BOD indicates higher polluting potential
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.