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After the reduction in BOD of waste wate...

After the reduction in BOD of waste water, the bacterial flocs are allowed to sediment. This sediment is called

A

Primary sludge

B

Activated sludge

C

Effluent

D

Grit

Text Solution

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The correct Answer is:
B
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NTA MOCK TESTS-NTA NEET SET 91-BIOLOGY
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