MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
Which of the following heavy metal is found in coffee beverage? |
| A. | Lead |
| B. | NaCl |
| C. | Water |
| D. | Magnesium |
| Answer» B. NaCl | |
| 2. |
Boiling the water can remove heavy metals. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Which of the following doesn t have high levels of heavy metals? |
| A. | Bread |
| B. | Distilled water |
| C. | Coffee |
| D. | Fish |
| Answer» C. Coffee | |
| 4. |
Phyto-mining is used to extract copper from contaminated soil. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Which of the following technique is not used to filter out heavy metals? |
| A. | Activated Alumina |
| B. | Carbon |
| C. | Reverse osmosis |
| D. | Chemical precipitation |
| Answer» E. | |
| 6. |
Which of the following is not a method of heavy metal removal from water? |
| A. | Adsorption |
| B. | Chemical precipitation |
| C. | Biogas |
| D. | Reverse osmosis |
| Answer» D. Reverse osmosis | |
| 7. |
How bacteria help in metal extraction? |
| A. | Oxidation of ore |
| B. | Reduction of ore |
| C. | Assimilation |
| D. | Accumulation |
| Answer» B. Reduction of ore | |
| 8. |
Which of the following is not used to clear-out heavy metals contaminated environment? |
| A. | Bacteria |
| B. | Fungi |
| C. | Algae |
| D. | H<sub>2</sub>S |
| Answer» E. | |
| 9. |
How does DNA develop resistance mechanisms? |
| A. | Information from DNA |
| B. | Intercellular ligands |
| C. | Extracellular ligands |
| D. | Integral proteins |
| Answer» B. Intercellular ligands | |
| 10. |
Heavy metal resistance elements are found in gram negative bacteria. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Mercury resistance or heavy metal resistance in bacteria is usually found in which contaminated sites? |
| A. | Mercury contaminated sites |
| B. | Copper contaminated sites |
| C. | Nickle contaminated sites |
| D. | Magnesium contaminated sites |
| Answer» B. Copper contaminated sites | |
| 12. |
Which of the following process helps in the uptake of heavy metals in bacteria? |
| A. | Bioaccumulation |
| B. | Bio augmentation |
| C. | Bioleaching |
| D. | Vermicomposting |
| Answer» B. Bio augmentation | |