NEET
- Exam
- NEET
- Subject
- Zoology
- Chapter
- Microbes in Human Welfare
NEET · Zoology · Microbes in Human Welfare
What is the treatment of waste water carried out by?
What is the treatment of waste water carried out by?
Options
- AHuman beings
- BHeterotrophic microbes
- CMachines
- DPathogenic microbes
Correct answer
B. Heterotrophic microbes
Step-by-step solution
Before disposal, hence, sewage is treated in sewage treatment plants (STPs) to make it less polluting. Treatment of waste water is done by the heterotrophic microbes naturally present in the sewage.