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. |
Phyto stabilization is a technique of remediation where plants are used for removal of tailings from the environment by sequestering pollutants in areas near the roots. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Acaccia mangium is considered an ideal plant for bioreclamation of overburden dumps. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Mining industry can try to stabilize the environmental pollution by plantation. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
When the open pit mines are refilled with the tailings is called as ________ |
| A. | Pond storage |
| B. | Extraction |
| C. | Beneficiation |
| D. | Processing |
| Answer» B. Extraction | |
| 5. |
Which of the following methods is not included for disposal of tailings methods? |
| A. | Submarine Tailings Disposal |
| B. | Dry sacking |
| C. | Phytostabilisation |
| D. | Afforestation |
| Answer» E. | |
| 6. |
Mill tailings is radioactive. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Which of the following condition is caused due to tainings? |
| A. | Acid mine drainage |
| B. | Nutrient absorption |
| C. | Air contamination |
| D. | Afforestation |
| Answer» B. Nutrient absorption | |
| 8. |
Tailings is an output of which phase of mining? |
| A. | Extraction |
| B. | Beneficiation |
| C. | Processing |
| D. | Remediation |
| Answer» C. Processing | |
| 9. |
Which of the following compound is used in the extraction of gold mining? |
| A. | Liquid Nitrogen |
| B. | Cyanide |
| C. | Oxygen |
| D. | Ammonia |
| Answer» C. Oxygen | |
| 10. |
Which of the following is not an after effects of the toxic metals released during tailings? |
| A. | Erosion |
| B. | Sinkholes |
| C. | Contamination |
| D. | Nutrient absorption |
| Answer» E. | |
| 11. |
Which of the following term is not used in place of the term “Tailings”? |
| A. | Mine dumps |
| B. | Culm dumps |
| C. | Terra-coned |
| D. | Mine drainage |
| Answer» E. | |
| 12. |
Tailings suspended in the water can damage the environment by releasing toxic metals. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
The materials that are left after the successful separation of the valuable fraction from the ore is called as Tailings. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 14. |
The first phase that leads to removal of ore is called as _______ |
| A. | Extraction |
| B. | Beneficiation |
| C. | Processing |
| D. | Remediation |
| Answer» B. Beneficiation | |
| 15. |
Which of the following methods does not lead to the generation of mine wastes? |
| A. | Extraction of minerals |
| B. | Beneficiation of minerals |
| C. | Processing of minerals |
| D. | Remediation of mine waste |
| Answer» E. | |