Sewage Treatment and Waste Water — NEET Biology
🔥 Predicted for NEET 2027We know that large quantities of waste water are generated everyday in cities and towns. A major component of this waste water is human excreta. This municipal waste-water is also called sewage. It contains large amounts of organic matter and microbes. Many of which are pathogenic. Have you ever wondered where this huge quantity of sewage or urban waste water is disposed off daily? This cannot be discharged into natural water bodies like rivers and streams directly – you can understand why. Before disposal, hence, sewage is treated in sewage treatment plants (STPs) to make it less polluting. Treatment of waste water is done by the
Adjacent to a frequently-asked paragraph in the same chapter.
Match the following columns and select the correct option. (NEET 2020)
View solution & NCERT explanation
Correct answer: D — (ii), (i), (iv), (iii)
Clostridium butylicum → Butyric Acid; Trichoderma polysporum → Cyclosporin-A; Monascus purpureus → Blood cholesterol lowering agent; Aspergillus niger → Citric Acid
What does NCERT say about We know that large?
Has this concept appeared in NEET?
Which chapter is this from?
Through deep analysis of NEET and NTA, 176 of the 180 ReNEET 2026 (June 21) questions were already in the MedicNEET question bank before the exam.
176/180MedicNEET's Biology question bank is built from the same NCERT lines NTA picks repeatedly. Not random MCQs — questions crafted exactly like NTA crafts them.