MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In which pollution zone of the river, the concentration of D.O reduced to 40%? |
| A. | Zone of degradation |
| B. | Zone of recovery |
| C. | Zone of active decomposition |
| D. | Zone of clean water |
| Answer» D. Zone of clean water | |
| 2. |
The fishes were present in the river, but algaes were not able to survive. What is the zone of pollution of the river? |
| A. | Zone of recovery |
| B. | Zone of degradation |
| C. | Zone of clean water |
| D. | Zone of active decomposition |
| Answer» C. Zone of clean water | |
| 3. |
In which pollution zone of the river, water retains its original dissolved oxygen concentration? |
| A. | Zone of degradation |
| B. | Zone of recovery |
| C. | Zone of active decomposition |
| D. | Zone of clean water |
| Answer» E. | |
| 4. |
Which is the third zone of pollution in the river? |
| A. | Zone of recovery |
| B. | Zone of degradation |
| C. | Zone of clean water |
| D. | Zone of active decomposition |
| Answer» B. Zone of degradation | |
| 5. |
In which pollution zone of the river, the dissolved oxygen reduced to 0? |
| A. | Zone of degradation |
| B. | Zone of recovery |
| C. | Zone of clean water |
| D. | Zone of active decomposition |
| Answer» E. | |
| 6. |
In which pollution zone of river, growth of algae reappear? |
| A. | Zone of degradation |
| B. | Zone of recovery |
| C. | Zone of active decomposition |
| D. | Zone of clean water |
| Answer» C. Zone of active decomposition | |
| 7. |
The pollution zones in the river are divided into how many types? |
| A. | 3 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| Answer» C. 6 | |