MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Pharmaceutical Biotechnology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The DNA uptake process does not require any energy. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
In which phase of growth does the recipient cell take up the donor DNA? |
| A. | Lag phase |
| B. | Early logarithmic phase |
| C. | Late logarithmic phase |
| D. | Stationary phase |
| Answer» D. Stationary phase | |
| 3. |
Which of the following path of transformation leads to the lysis of the parent cell? |
| A. | Lysogenic |
| B. | Lytic |
| C. | Lysogenic and lytic pathway |
| D. | Inductive |
| Answer» C. Lysogenic and lytic pathway | |
| 4. |
It is tough to transform with plasmid DNA. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Artificial transformation in the laboratory is carried out by which of the chemical? |
| A. | Sodium chloride |
| B. | Magnesium chloride |
| C. | Calcium chloride |
| D. | Potassium chloride |
| Answer» D. Potassium chloride | |
| 6. |
In which of the following organism transformation occurs by the help of membrane vesicles? |
| A. | S. pneumoniae |
| B. | H. influenzae |
| C. | E. colli |
| D. | M. tuberculosis |
| Answer» C. E. colli | |
| 7. |
Which enzyme cleaves the DNA? |
| A. | Endonucleases |
| B. | Polymerases |
| C. | Ligases |
| D. | Lyases |
| Answer» B. Polymerases | |
| 8. |
What should be the minimum weight of DNA that is required for a successful transformation? |
| A. | 1000 Daltons |
| B. | 100,000 Daltons |
| C. | 300,000 daltons |
| D. | 8 million daltons |
| Answer» D. 8 million daltons | |
| 9. |
When does S. pneumoniae becomes competent for transformation? |
| A. | Lag phase |
| B. | Log phase |
| C. | Exponential phase |
| D. | Stationery phase |
| Answer» D. Stationery phase | |
| 10. |
Transformation with micro injection is which kind of transformation? |
| A. | Physical |
| B. | Chemical |
| C. | Electroporation |
| D. | Natural |
| Answer» B. Chemical | |
| 11. |
For the process of transformation to take place a bacterial cell must be in a state of ____________ |
| A. | Stability |
| B. | Competence |
| C. | Localization |
| D. | Horizontal |
| Answer» C. Localization | |
| 12. |
Who discovered transformation? |
| A. | Albert Einstein |
| B. | Robert Hook |
| C. | Fred Griffith |
| D. | Kary Mullis |
| Answer» D. Kary Mullis | |