MCQOPTIONS
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MCQOPTIONS
This section includes 11 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 methods enhance the intensity of disintegration? |
| A. | Velocity of degradation |
| B. | Time of process |
| C. | Composting process |
| D. | Recycling |
| Answer» E. | |
| 2. |
Which of the following methods leads to increase of surface area for microorganisms to act? |
| A. | Vermicomposting |
| B. | Disintegration |
| C. | Incineration |
| D. | Recycling |
| Answer» C. Incineration | |
| 3. |
Which of the following method is not a post processing activity? |
| A. | Sieving |
| B. | Landfill sealing |
| C. | Drying |
| D. | Disintegrating clumps |
| Answer» C. Drying | |
| 4. |
Post processing of the compost leads to increase in quality. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Which of the following mechanism can optimize the input of hazardous metals? |
| A. | Hydrolysis |
| B. | Addition of heavy metals |
| C. | Conditioning |
| D. | Solubilisation |
| Answer» C. Conditioning | |
| 6. |
Which of the following methods cannot be used for gas exchange in the heap? |
| A. | Releasing the rotting material |
| B. | Forced aeration |
| C. | Maintaining the oxygen demand |
| D. | Tightening the rooting material |
| Answer» E. | |
| 7. |
Which of the following components are present in the waste air of aerobic respiration? |
| A. | Ammonia |
| B. | Nitrous oxide |
| C. | Carbon dioxide |
| D. | Methane |
| Answer» E. | |
| 8. |
What of the following microorganisms have a major role in compositing? |
| A. | Bacteria |
| B. | Fungi |
| C. | Plants |
| D. | Actinomycetes |
| Answer» D. Actinomycetes | |
| 9. |
Pre-treatment of the wastes by composting leads to greenhouse effect. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
Which of the following is not an objective of composting? |
| A. | Reduction of mass |
| B. | Elimination of toxic substances |
| C. | Stabilization |
| D. | Incineration |
| Answer» E. | |
| 11. |
Which of the following is known to decompose the organic matter of wastes? |
| A. | Composting |
| B. | Cooking |
| C. | Decomposing |
| D. | Burning |
| Answer» B. Cooking | |