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NEET Biology question

BiologyMicrobes in Human WelfareNEET

Assertion (A): Activated sludge from the settling tank is partly recycled back into the aeration tank. Reason (R): This recycled sludge serves as inoculum, seeding the aeration tank with the microbial population needed for further sewage treatment.

Answer: (A)

Solution

NCERT explicitly describes this recycling of a small part of activated sludge as inoculum back to

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Question ID VK-124812