1.

What is the major component of waste-water?(a) Pure water(b) Human excreta(c) Sand(d) ClayI got this question in semester exam.This interesting question is from Microbes in Sewage Treatment topic in chapter Microbes in Human Welfare of Biology – Class 12

Answer»

Right answer is (b) Human excreta

The EXPLANATION is: A major component of this waste-water is human excreta. This municipal waste-water is also called as sewage. It contains a large amount of ORGANIC MATTER and MICROBES. Many of which are pathogenic.



Discussion

No Comment Found

Related InterviewSolutions