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CUET UG · Microbes in Human Welfare · Quiz

Microbes in Human Welfare — quick quiz

5 real CUET UG questions on Microbes in Human Welfare. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

MEDIUM

In a sewage treatment plant, the BOD (Biochemical Oxygen Demand) of wastewater is reduced significantly during secondary treatment. Which of the following microbial processes is primarily responsible for this reduction?