Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET 2011
Exam
NEET
Year
2011
Subject
Zoology
Chapter
Microbes in Human Welfare

NEET 2011 · Zoology · Microbes in Human Welfare

Secondary sewage treatment is mainly a

Secondary sewage treatment is mainly a

Options

  1. Amechanical process
  2. Bchemical process
  3. Cbiological process
  4. Dphysical process

Correct answer

C. biological process

Step-by-step solution

In secondary or biological treatment of municipal waste rich in sewage, the organic matter is decomposed with the help of microbes. Decomposition of organic matter occurs by one of the three methods-water hyacinth pod, trickling filter method and activated sludge method. After decomposition the treated water is sterilized through chlorination.
Practice Microbes in Human Welfare on Quantrex Academy →

More from Microbes in Human Welfare

What is the reason behind production of large holes in 'Swiss Cheese' ? NEET 2026Match List I with List II : List I (Bioactive molecules) List II (Importance) A.… NEET 2026Which of the following is used as a clot buster ? NEET 2026Which of the following is an example of non-distilled alcoholic beverage produced by… NEET 2025Which of following organisms cannot fix nitrogen? A. Azotobacter B. Oscillatoria C.… NEET 2025Which of the following microbes is NOT involved in the preparation of household products?… NEET 2025Streptokinase produced by bacterium Streptococcus is used for NEET 2025Match List-I with List-II relating to microbes and their products: List-I (Microbes)… NEET 2024 Full Microbes in Human Welfare list All NEET PYQs