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NEET Biology question

BiologyMicrobes in Human WelfareNEET

Microbes are used in I. primary treatment of sewage II. secondary treatment of sewage III. anaerobic sludge digesters IV. production of biogas Choose the correct option

Answer: (C)

Solution

Primary treatment of sewage is purely a physical process (filtration and sedimentation) and does not involve microbes,

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Question ID VK-124571