MCQOPTIONS
Saved Bookmarks
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Biotechnology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Algal fish ponds require artificial aeration. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
__________ method can be used for enhancing the performance of waste stabilization ponds. |
| A. | Water hyacinth pond |
| B. | Reed beds |
| C. | Duck weed ponds |
| D. | Algal fish ponds |
| Answer» B. Reed beds | |
| 3. |
Which of the following factors doesn t need to be considered in order to make the system of nutrient removal cost effective? |
| A. | Waste water type |
| B. | Space |
| C. | Production rate |
| D. | Water volume |
| Answer» E. | |
| 4. |
The hollow rhizomes of the reeds generate a hydraulic pathway thereby treating sewage by ___________ |
| A. | Flocculation |
| B. | Bacterial activity |
| C. | Precipitation |
| D. | Sedimentation |
| Answer» C. Precipitation | |
| 5. |
The bacterial biofilms and floating weeds interact in duckweed ponds resulting in decrease of nutrient load and _______ in waste water. |
| A. | Organic pollutant |
| B. | Fish biomass |
| C. | Oxygen |
| D. | Water |
| Answer» B. Fish biomass | |
| 6. |
Which of the following methods can be used to convert organic pollutants into fish biomass? |
| A. | Duck weed ponds |
| B. | Reed beds |
| C. | Algal fish ponds |
| D. | Water hyacinth pond |
| Answer» B. Reed beds | |
| 7. |
Duck weed can grow profusely in nutrient rich waste water. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Which of the following method can be used to treat crude sewage and nitrify secondary effluent? |
| A. | Duck weed ponds |
| B. | Reed beds |
| C. | Algal fish ponds |
| D. | Water hyacinth pond |
| Answer» C. Algal fish ponds | |