MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biotechnology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Unrecycled plastic leads to emission of greenhouse gases. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Why recycling of metal is more cost effective? |
| A. | Extraction of metal increases |
| B. | Increases operating cost |
| C. | Reduces operating cost |
| D. | Reduces odor |
| Answer» D. Reduces odor | |
| 3. |
Why mismanagement of battery waste can be harmful? |
| A. | Texture |
| B. | Heavy metals |
| C. | Plastics |
| D. | Odor |
| Answer» C. Plastics | |
| 4. |
Which of the following resembles the rich topsoil in context to solid waste composting? |
| A. | Humus |
| B. | Bed rock |
| C. | Sub soil |
| D. | Weathered rock |
| Answer» B. Bed rock | |
| 5. |
The chemical reaction between the carbon, hydrogen present in the solid waste combines with the oxygen. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Which of the following temperature is optimum for incinerators? |
| A. | 900-1100°C |
| B. | 100-110°C |
| C. | 90-110°C |
| D. | 100-11000°C |
| Answer» B. 100-110°C | |
| 7. |
Which of the following organism degrade the organic matter thereby, transfer the matter to the environment? |
| A. | Methanogens |
| B. | Manganese |
| C. | Carbon dioxide |
| D. | Methane |
| Answer» B. Manganese | |
| 8. |
Which of the following is an important part of the natural release of biogas in the environment? |
| A. | Biogeochemcial cycle |
| B. | Environment pollution |
| C. | Afforestation |
| D. | Deforestation |
| Answer» B. Environment pollution | |
| 9. |
Which of the following methods cannot be used for waste disposal? |
| A. | Dumping |
| B. | Gasification |
| C. | Incineration |
| D. | Open sea disposal |
| Answer» E. | |
| 10. |
Which of the following is a visual pollution? |
| A. | Insightfulness of piles of garbage |
| B. | Mashing with Adhesives |
| C. | Mashing with Fibers |
| D. | Flowers |
| Answer» B. Mashing with Adhesives | |
| 11. |
Which of the following is not a result of mishandling of solid waste? |
| A. | Odor |
| B. | Hydrolysis of sugar |
| C. | Fire |
| D. | Dysentery |
| Answer» C. Fire | |
| 12. |
Which of the following is both inorganic and organic? |
| A. | Sewage Sludge |
| B. | Liquid crystalline |
| C. | Natural gas |
| D. | Semi crystalline |
| Answer» B. Liquid crystalline | |
| 13. |
Disposal is the initial stage during solid waste management. |
| A. | True |
| B. | False |
| Answer» C. | |
| 14. |
Which of the following are not categorized as hazardous wastes? |
| A. | Garbage |
| B. | Industry wastes |
| C. | Hospital wastes |
| D. | Laboratory wastes |
| Answer» B. Industry wastes | |
| 15. |
Which of the following undesirable and waste material is neither gas nor liquid? |
| A. | Water waste |
| B. | Oxygen |
| C. | Liquid waste |
| D. | Solid waste |
| Answer» E. | |