Microbes in industrial products, sewage treatment, biogas, biocontrol.
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Q1 · Microbes in Human Welfare · EASY
Which of the following microorganisms is used in the commercial production of citric acid?
Q2 · Microbes in Human Welfare · EASY
In sewage treatment, the BOD (Biochemical Oxygen Demand) test measures:
Q3 · Microbes in Human Welfare · MEDIUM
Which of the following microbes is commonly used as a biocontrol agent against butterfly caterpillars in agricultural fields?
Q4 · Microbes in Human Welfare · MEDIUM
During biogas production, which gas constitutes the major combustible component of the biogas mixture?
Q5 · Microbes in Human Welfare · HARD
A sewage treatment plant processes 10,000 liters of wastewater with an initial BOD of 400 mg/L. After primary and secondary treatment, the final BOD is reduced to 20 mg/L. What is the percentage efficiency of BOD removal achieved by the treatment plant?