MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which method uses a disarmed pathogen vector? |
| A. | Transformation |
| B. | Biolistics |
| C. | Insertional inactivation |
| D. | Sequencing |
| Answer» C. Insertional inactivation | |
| 2. |
Which metal microparticles are used in gene gun? |
| A. | Aurum |
| B. | Nitrogen |
| C. | Magnesium |
| D. | Cuprum |
| Answer» B. Nitrogen | |
| 3. |
Calcium is a ________ cation. |
| A. | monovalent |
| B. | trivalent |
| C. | divalent |
| D. | tetravalent |
| Answer» D. tetravalent | |
| 4. |
What temperature is suitable for heat-shock treatment? |
| A. | 100 C |
| B. | 0 C |
| C. | 42 C |
| D. | 95 C |
| Answer» D. 95 C | |
| 5. |
Biolistics is also known as ______ |
| A. | micro-injection |
| B. | micro-pipetting |
| C. | insertional inactivation |
| D. | gene gun |
| Answer» E. | |
| 6. |
The method by which recombinant DNA is directly injected into the nucleus of an animal cell is called ________ |
| A. | heat-shock |
| B. | micro-injection |
| C. | transferring |
| D. | insertional inactivation |
| Answer» C. transferring | |
| 7. |
Competent cells can be prepared using ________ |
| A. | electrophoresis |
| B. | chromatography |
| C. | heat-shock treatment |
| D. | pipetting |
| Answer» D. pipetting | |
| 8. |
The cells which have the ability to incorporate foreign DNA within them are called ______ |
| A. | water-loving |
| B. | plasma cells |
| C. | competent cells |
| D. | hydrophobic |
| Answer» D. hydrophobic | |
| 9. |
Which divalent cations are usually used to make competent cells? |
| A. | Carbon |
| B. | Nitrogen |
| C. | Copper |
| D. | Calcium |
| Answer» E. | |
| 10. |
______ is a hydrophilic molecule. |
| A. | Lipid |
| B. | DNA |
| C. | Palmitic acid |
| D. | Lipohilic |
| Answer» C. Palmitic acid | |
| 11. |
The molecule which dissolves in water is called _______ |
| A. | hydrophilic molecule |
| B. | hydrophobic molecule |
| C. | soluble molecule |
| D. | insoluble molecule |
| Answer» B. hydrophobic molecule | |