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. |
Biomining is used to extract metals from mine waste using bacteria. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following is not a factor related to industrial process of microbial metal recovery? |
| A. | Capacity |
| B. | Immunity from interference |
| C. | Membrane permeability |
| D. | Efficiency |
| Answer» D. Efficiency | |
| 3. |
Heavy metal species released after death of the bacteria. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the following is not a fundamental mechanism of antimicrobial resistance? |
| A. | Enzymatic degradation |
| B. | Antimicrobial targets of bacterial proteins |
| C. | Membrane permeability |
| D. | Fungal growth |
| Answer» E. | |
| 5. |
How do heavy metals reach high localized concentration? |
| A. | Bind to amino acids containing Sulfur |
| B. | Bind to amino acids containing Nickle |
| C. | Bind to amino acids containing Copper |
| D. | Bind to amino acids containing Cadmium |
| Answer» B. Bind to amino acids containing Nickle | |
| 6. |
Which of the following is not a sign of heavy metal poisoning? |
| A. | Abdominal pain |
| B. | Cardiomyopathy |
| C. | Numbness |
| D. | Far sightedness |
| Answer» E. | |
| 7. |
Which of the following metal can inhibit bacterial growth by binding to proteins? |
| A. | Zinc |
| B. | Plants |
| C. | Nitrogen |
| D. | Vermicomposting |
| Answer» B. Plants | |
| 8. |
How does Bacteria develop resistance mechanisms? |
| A. | Extracellular ligands |
| B. | Intercellular ligands |
| C. | Instructions by DNA |
| D. | Integral proteins |
| Answer» D. Integral proteins | |
| 9. |
Mercury resistance elements in bacteria are plasmid coded. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
The common feature of mercury resistance bacteria compared to the clinical isolates would be? |
| A. | Absence of linkage to the drug resistance markers |
| B. | Presence of linkage to the drug resistance markers |
| C. | Presence of linkage to the antibiotic resistance markers |
| D. | Absence of linkage to the antibiotic resistance markers |
| Answer» B. Presence of linkage to the drug resistance markers | |
| 11. |
Which of the following resistance in bacteria is usually found in heavy metal contaminated sites? |
| A. | Mercury |
| B. | Copper |
| C. | Nickle |
| D. | Magnesium |
| Answer» B. Copper | |