![In the treatment of waste water discharge, which treatment stage involves biological treatment](https://www.gkseries.com/blog/wp-content/uploads/2022/09/In-the-treatment-of-waste-water-discharge-which-treatment-stage-involves-biological-treatment.png)
Q. In the treatment of waste water discharge, which treatment stage involves biological treatment
- Primary treatment
- Secondary treatment
- Tertiary treatment
- Reverse osmosis stage
Answer: Secondary treatment
Answer: Secondary treatment
Government Schemes Mock Test | Start Test! |
Political Science Mock Test – 42 | Start Test |
History Test – 190 | Start Test |
Quantitative Aptitude Test | Start Test! | Data Interpretation - Mock Test | Start Test! |
General Awareness - Mock Test | Start Test! |
Reasoning Ability - Mock Test | Start Test! |