(a) What would happen if a large volume | Class 12 Biology Chapter Microbes in Human Welfare, Microbes in Human Welfare NCERT Solutions

Question:

(a) What would happen if a large volume of untreated sewage is discharged into a river?
(b) In what way anaerobic sludge diagestion is important in sewage treatments?

Answer:

If untreated sewage is discharged directly into rivers, it will lead to serious water pollution with the organic matter and pathogenic bacteria, Protozoa and many other diseases. The water, is used, will cause outbreaks of water borne diseases.
In anaerobic sludge digestion, anaerobic bacteria, digest the aerobic bacteria and the fungi in the sludge and the remaining organic matter.

During this digestion, bacteria produce a mixture of gases like methane, hydrogen sulphide and carbon dioxide. These gases, biogas can be used as source of energy.

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Welcome to the NCERT Solutions for Class 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 5: (a) What would happen if a large volume of untreated sewage is discharged into a river? (b) In what....

(a) What would happen if a large volume | Class 12 Biology Chapter Microbes in Human Welfare, Microbes in Human Welfare NCERT Solutions

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