NEET UG 2017 · Botany · Question 176
NEET 2017 Botany, question 176
Question 176 of the NEET 2017 paper (code A) is a Botany question from Microbes in Human Welfare. Its idea, Sewage Treatment and Biogas, was asked twice, in 2017 and 2020, across NEET 2017–2026. The CBSE official answer key gives option 3.
Updated 2026-10-08
Q176 · Botany
Which of the following in sewage treatment removes suspended solids ?
- 1Tertiary treatment
- 2Secondary treatment
- 3Primary treatmentOfficial answer
- 4Sludge treatment
Official answer: option 3 · CBSE official answer key
Same idea
Sewage Treatment and Biogas, in other papers
NEET asked this idea twice, in 2017 and 2020. The other question below.
- 2020 Q23Which of the following is put into Anaerobic sludge digester for further sewage treatment ?One-line MCQ · Medium
Sewage Treatment and Biogas: every question and how it was framed
The chapter
Microbes in Human Welfare in ten years of NEET
16 questions from 2017–2026, asked in 9 of 10 papers, about 1.6 a paper. Microbes in Human Welfare alone had 16.