Flocs, which are used in the secondary treatment of sewage, are:

Question

Flocs, which are used in the secondary treatment of sewage, are: (A) masses of bacteria in symbiosis with algae (B) foliose lichens (C) masses of fungi associated with algae (D) masses of bacteria associated with fungal filaments forming mesh like structures

Tardigrade Admin · Accepted Answer

Flocs are aerobic masses of bacteria associated with fungal filaments forming mesh like structures. These microbes consume the major part of the organic matter in the effluent reducing its biological oxygen demand.

Q. Flocs, which are used in the secondary treatment of sewage, are:

masses of bacteria in symbiosis with algae

foliose lichens

masses of fungi associated with algae

masses of bacteria associated with fungal filaments forming mesh like structures

Flocs are aerobic masses of bacteria associated with fungal filaments forming mesh like structures. These microbes consume the major part of the organic matter in the effluent reducing its biological oxygen demand.