Environment & Ecology · Environment
The Biochemical Oxygen Demand (BOD) of waste water is estimated by measuring the rate of:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1production of biogas during digestion of bacteria and fungi in the given sample.
- 2digesting fungi and bacteria in the given sample of sludge.
- 3uptake of oxygen by microorganisms in a sample of water.✓
- 4formation of flocs by rigorous growth of aerobic microbes in a sample of water.
Correct answer
uptake of oxygen by microorganisms in a sample of water.
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