MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Vector Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What are Hfl strains? |
| A. | Morphology based strains |
| B. | Homology based strains |
| C. | Frequency based strains |
| D. | Resistance based strains |
| Answer» D. Resistance based strains | |
| 2. |
The negative transcriptional vector in an insertion or replacement vector is __________ |
| A. | Ampicillin resistance |
| B. | cI gene product |
| C. | Tetracycline resistance |
| D. | Kanamycin resistance |
| Answer» C. Tetracycline resistance | |
| 3. |
THE_NEGATIVE_TRANSCRIPTIONAL_VECTOR_IN_AN_INSERTION_OR_REPLACEMENT_VECTOR_IS___________?$ |
| A. | Ampicillin resistance |
| B. | cI gene product |
| C. | Tetracycline resistance |
| D. | Kanamycin resistance |
| Answer» C. Tetracycline resistance | |
| 4. |
What_are_Hfl_strains?$ |
| A. | Morphology based strains |
| B. | Homology based strains |
| C. | Frequency based strains |
| D. | Resistance based strains |
| Answer» D. Resistance based strains | |
| 5. |
How can the unwanted restriction sites be removed? |
| A. | Restriction |
| B. | Digestion |
| C. | Ligation |
| D. | Mutagenesis |
| Answer» E. | |
| 6. |
What is the size of foreign DNA that can be inserted in an insertion vector? |
| A. | 10 kb |
| B. | 100kb |
| C. | 20 kb |
| D. | 15 kb |
| Answer» B. 100kb | |
| 7. |
Why is 64-69% of genomic region included in the stuffer fragment of replacement vectors? |
| A. | Spi positive selection |
| B. | Spi negative selection |
| C. | Antibiotic selection |
| D. | Replication |
| Answer» B. Spi negative selection | |
| 8. |
The shortest lambda DNA molecules that produce plaques are _______ deleted. |
| A. | 10% |
| B. | 25% |
| C. | 2% |
| D. | 15% |
| Answer» C. 2% | |
| 9. |
The maximum capacity of phage lambda vector is attained by _______ vectors. |
| A. | Insertion |
| B. | Replacement |
| C. | Plasmid |
| D. | Yeast |
| Answer» C. Plasmid | |
| 10. |
What modifications are done to the phage vector for creating derivative vectors? |
| A. | Origin replacement |
| B. | Deletions |
| C. | Antibiotic resistance incorporated |
| D. | Hybridization |
| Answer» C. Antibiotic resistance incorporated | |
| 11. |
Multiple target sites in which foreign DNA can be inserted are present in an Insertion vector. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
Insertional and replacement vectors are types of ________ vector. |
| A. | Lambda |
| B. | M13 |
| C. | Yeast |
| D. | BAC |
| Answer» B. M13 | |