Symbiosis, the beneficial association between algae & bacteria is used for treatment of waste water in the following unit:

Challenger App

Irrigation and environmental engineering/

Water quality control standards

No.1 PSC Learning App

★

★

★

★

★

1M+ Downloads

Symbiosis, the beneficial association between algae & bacteria is used for treatment of waste water in the following unit:

AActivated sludge

BRotating biological sludge

CAnaerobic digester

DOxidation pond

Answer:

D. Oxidation pond

Related Questions:

The colour of water is measured on:

Temporary hardness is due to the presence of :

Method of removing permanent hardness

The acceptable range of pH for potable water:

Zero hardness of water is achieved by ..........................