Microbes in Hum...

Treatment of waste water is done by

Masses of bacteria associated with fungal filaments to form mesh like structures is called

The amount of oxygen that would be consumed if all the organic matter in one liter of water were oxidized by bacteria is called

Biogas is produced by

Which of the followings is mainly produced by the activity of anaerobic bacteria on sewage?

Secondary treatment of sewage is also called

Spirulina is a

Biogas is a

High value of BOD shows

A sewage treatment process in which a part of decomposer bacteria present in the wastes is recycled into the starting of the process is called