1. Tardigrade
  2. Question
  3. Biology
  4. Microbes are used in 1. primary treatment of sewage 2. secondary treatment of sewage 3. anaerobic sludge digester 4. production of bioactive molecules

Q. Microbes are used in
1. primary treatment of sewage
2. secondary treatment of sewage
3. anaerobic sludge digester
4. production of bioactive molecules

 4433  199 Microbes in Human Welfare Report Error

Solution:

Microbes are not used in the primary treatment of sewage which basically involves settling down of sludge through sedimentation.