During biological treatment of sewage, the masses of bacteria held together by fungal filaments to form mesh like structures are called
(A) primary sludge
(B) flocs
(C) activated sludge
(D) anaerobic sludge
During biological treatment of sewage, the masses of bacteria held…
CBSE Biology class 12 question and answer | During biological treatment of sewage, the masses of bacteria held together by fungal filaments to form mesh like structures are called
