+2 votes
in Environmental Biotechnology by (64.7k points)
Which of the following compound is broken down by the microbial biofilms in the waste water?

(a) Iron

(b) Nitrogen

(c) Sodium

(d) Potassium

This question was posed to me in an international level competition.

This intriguing question originated from Microbial Biofilm and Wastewater Treatment in chapter Biological Treatment of Waste Water of Environmental Biotechnology

1 Answer

+2 votes
by (736k points)
selected by
Best answer
Right option is (b) Nitrogen

To explain I would say: Phosphorus and Nitrogen compounds are present in the waste water and those need to be degraded to get better quality of water which is done by microbial biofilms, Iron, sodium and potassium are treated as highly toxic compounds.

Related questions

We welcome you to Carrieradda QnA with open heart. Our small community of enthusiastic learners are very helpful and supportive. Here on this platform you can ask questions and receive answers from other members of the community. We also monitor posted questions and answers periodically to maintain the quality and integrity of the platform. Hope you will join our beautiful community