MCQOPTIONS
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MCQOPTIONS
This section includes 11 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. |
Plants cannot remove heavy metals. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Which of the following is a method of phytoextraction for removal of metals? |
| A. | Absorption by plant roots |
| B. | Absorption by water |
| C. | Absorption by soil |
| D. | Absorption by weathered rock |
| Answer» B. Absorption by water | |
| 3. |
What habitat is not a home for bacteria? |
| A. | Arctic snow |
| B. | Soil |
| C. | Rocks |
| D. | Distilled water |
| Answer» E. | |
| 4. |
Which of the following can dissolve metals? |
| A. | Biogeochemcial cycle |
| B. | Microbial metabolic secretions |
| C. | Afforestation |
| D. | Deforestation |
| Answer» C. Afforestation | |
| 5. |
How bacteria incorporate heavy metals inside them? |
| A. | Slow transport inside the cell |
| B. | Gasification |
| C. | Incineration |
| D. | Disposal |
| Answer» B. Gasification | |
| 6. |
What of the following is used to remove metals using plants? |
| A. | Phyto-extraction |
| B. | Mashing with Adhesives |
| C. | Mashing with Fibers |
| D. | Watering |
| Answer» B. Mashing with Adhesives | |
| 7. |
Which of the following population cannot be affected by heavy metals? |
| A. | Cyanobacteria |
| B. | Algae |
| C. | Protozoan |
| D. | Phytoremediation |
| Answer» E. | |
| 8. |
Which of the following soil pollution is not responsible for reduction in bacteria? |
| A. | Copper |
| B. | Cadmium |
| C. | Zinc |
| D. | Glass |
| Answer» E. | |
| 9. |
Tolerant microbes can grow better in metal stress. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Which of the following terms is not relevant to affecting microbial population? |
| A. | Reduction in abundance |
| B. | Diversity of species |
| C. | Color of species |
| D. | Resistant population |
| Answer» D. Resistant population | |
| 11. |
Which of the following can affect the microbial population? |
| A. | Green algae |
| B. | Kitchen waste |
| C. | Heavy metals |
| D. | Oxygen |
| Answer» D. Oxygen | |