NEET Biology question

(NCERT Exemplar) In a sewage treatment plant, the floc (consisting of bacteria associated with fungal filaments, forming mesh-like structures) plays a key role in

(A)absorbing and further breaking down organic matter in the effluent before settling out as sludgeCorrect
(B)producing oxygen for aquatic life
(C)sterilising the effluent completely
(D)converting sludge directly into drinking water

Answer: (A)

Solution

NCERT Exemplar describes flocs as microbial masses that absorb organic matter from effluent during the aeration (secondary

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Question ID VK-124770