Q. Biochemical Oxygen Demand (BOD) may not be a good index for pollution for water bodies receiving effluents from

A) Domestic sewage
B) Dairy industry
C) Petroleum industry
D) Sugar industry
Explanation

[Solution] BOD measures biodegradable organic matter; petroleum effluents contain non-biodegradable and toxic pollutants. Answer (3).

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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

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