Biochemical Oxygen Demand (BOD) may not be a good index for pollution for water bodies receiving effluents from:
Correct answer: C. Petroleum industry
- A. Domestic sewage
- B. Dairy industry
- C. Petroleum industry
- D. Sugar industry
Explanation
Biochemical Oxygen Demand (BOD) is a commonly used water quality parameter that measures the amount of dissolved oxygen consumed by microorganisms while they decompose organic matter in water. Petroleum is not degraded by decomposer microbes.
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