Q. Which of the following are classified as major sources to air pollution?
- Fuel consumption by local citizens
- Sewage treatment plants
- Dry cleaning and laundries
- None of the mentioned
Answer: Sewage treatment plants
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