Q. B.O.D. test or biological oxygen demand test is made for measuring
- Air pollution
- (b)Water pollution
- Noise pollution
- Soil pollution
Answer: Water pollution
Take Mock Tests
| 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! |
We will be happy to hear your thoughts