Biology · MICROBES IN HUMAN WELFARE

Given below are two statements: Statement I: Secondary treatment of waste water is also called biological treatment because it relies on aerobic and anaerobic biological agents. Statement II: Fungal flocs formed in aeration tanks significantly reduce the BOD of the effluent before discharge. In the light of the above statements, choose the most appropriate answer from the options given below:

1. Both Statement I and Statement II are correct.
2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect.
4. Statement I is incorrect but Statement II is correct.