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Name two groups of organisms which constitute ‘flocs’ .Write their influence on level of BOD during biological treatment of sewage.

  1. Name two groups of organisms which constitute ‘flocs’ .Write their influence on level of BOD during biological treatment of sewage.

Grade:12

2 Answers

Gaurav
askIITians Faculty 164 Points
9 years ago
Hello Student

Two groups of organisms which constitute flocs are
  1. Aerobic bacteria
  2. Fungi
they consume organic matter of effluents and use O2,this reduce BOD
Manish
11 Points
7 years ago
The groups of organisms that constitite mesh-like structures called `flocks`are bacteria and fungi.These bacterial masses associated with fungal filamments called flocks,consume the major part of organic matter present in the effluent,thereby reducing the BOD of tje waste significantly during biological or secondary treatment of sewage

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