Mark the incorrect statement.

• A

  Government of India has passed the Water (Prevention and Control of Pollution) Act, 1974.

• B

  Domestic sewage primarily contains biodegradable organic matter, which is decomposed by microorganisms.

• C

  Micro-organisms involved in biodegradation of organic matter consume a lot of oxygen.

• D

  It is possible to estimate the amount of nonbiodegradable organic matter in sewage water by measuring BOD.