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What does the Biochemical Oxygen Demand (BOD) test common... | QuestionStock

Representative image for question: What does the Biochemical Oxygen Demand (BOD) test commonly measure in wastewater monitoring?

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Environment

What does the Biochemical Oxygen Demand (BOD) test commonly measure in wastewater monitoring?

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What does the Biochemical Oxygen Demand (BOD) test commonly measure in wastewater monitoring?

Options:

Total dissolved oxygen concentration
Amount of biodegradable organic matter requiring oxygen
Concentration of suspended solids
Level of inorganic nutrients like phosphate

Correct answer: Amount of biodegradable organic matter requiring oxygen

Explanation: BOD quantifies the oxygen required by microbes to biodegrade organic matter; the standard BOD5 test measures oxygen uptake over 5 days at 20°C as a concrete procedure.

Created 2026-03-10T17:31:27.850Z. Updated 2026-03-10T17:31:27.850Z.