Measurement of the rate of O2 consumption in unit volume of water over a period of time is done to find out:
Correct answer: B. Biological oxygen demand
- A. Biogas generation
- B. Biological oxygen demand
- C. Biosynthetic path way
- D. Fermentation
Explanation
Biological oxygen demand is estimated from the oxygen consumed by microorganisms while decomposing organic matter in water over a specified period. A high BOD indicates heavier organic pollution and less dissolved oxygen available for aquatic life.
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