Question

19. BOD represents

(A) Pollution strength of a waste.

(B) Pollutional strength of
organic fraction of wastes.
(C) Pollutional strength of inorganic
fraction of wastes.
(D) Pollutional strength of bio-
degradable organic fraction of
wastes.​

Answer 1

Answer:

pollution strength of biodegradable organic fraction of wastes

Answer 2

Answer:

Pollutional strength of bio-degradable organic fraction of wastes.