MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Biotechnology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following has a vertical flow of waste in a reactor system? |
| A. | Vertical reactor |
| B. | Rotating drum |
| C. | Horizontal reactor |
| D. | Windrow composting |
| Answer» B. Rotating drum | |
| 2. |
Which of the following has a helical ridge? |
| A. | Vertical reactor |
| B. | Rotating drum |
| C. | Horizontal reactor |
| D. | Recycling |
| Answer» C. Horizontal reactor | |
| 3. |
Reactor composting leads to forced exchange of gases. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the following methods are not the result of windrow composting when the wastes are distributed? |
| A. | Homogenization |
| B. | Landfill sealing |
| C. | Reintroducing free air space |
| D. | Increased evaporation |
| Answer» C. Reintroducing free air space | |
| 5. |
Which non-reactor system serves as a direct contact between the waste and the atmosphere? |
| A. | Windrow composting |
| B. | Vertical reactor |
| C. | Rotating drum |
| D. | Horizontal reactor |
| Answer» B. Vertical reactor | |
| 6. |
Which of the following methods doesn’t use thermal disinfection method? |
| A. | Field composting |
| B. | Windrow composting |
| C. | Vertical reactor |
| D. | Horizontal reactor |
| Answer» B. Windrow composting | |
| 7. |
Which of the following methods is the simplest way of microbial composting? |
| A. | Field composting |
| B. | Vertical reactor |
| C. | Horizontal reactor |
| D. | Windrow composting |
| Answer» B. Vertical reactor | |
| 8. |
Which of the following is not a type of reactor system used for microbial composting? |
| A. | Rotating drum |
| B. | Horizontal reactor |
| C. | Vertical reactor |
| D. | Field composting |
| Answer» E. | |
| 9. |
Non-reactor system is a classification of the composting systems. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Which of the following factor affects microbial activity during composting? |
| A. | pH |
| B. | Time |
| C. | Decomposing rate |
| D. | Burning |
| Answer» B. Time | |