MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following chemical mutagen affects only replicating DNA? |
| A. | Acridine dye |
| B. | Alkylating agent |
| C. | Deaminating agent |
| D. | Base analog |
| Answer» E. | |
| 2. |
Addition or deletion of bases causes which kind of mutation? |
| A. | Transversion |
| B. | Frameshift mutation |
| C. | Transition |
| D. | Transcription |
| Answer» C. Transition | |
| 3. |
WHICH_OF_THE_FOLLOWING_CHEMICAL_MUTAGEN_AFFECTS_ONLY_REPLICATING_DNA??$ |
| A. | Acridine dye |
| B. | Alkylating agent |
| C. | Deaminating agent |
| D. | Base analog |
| Answer» E. | |
| 4. |
ADDITION_OR_DELETION_OF_BASES_CAUSES_WHICH_KIND_OF_MUTATION??$ |
| A. | Transversion |
| B. | Frameshift mutation |
| C. | Transition |
| D. | Transcription |
| Answer» C. Transition | |
| 5. |
Name the type of mutation in which the cause of mutation is not known? |
| A. | Spontaneous mutation |
| B. | Suppressor mutation |
| C. | Nonsense mutation |
| D. | Mis-sense mutation |
| Answer» B. Suppressor mutation | |
| 6. |
What is the detection technique of auxotrophs? |
| A. | Spread plating |
| B. | Replica plating |
| C. | Streaking |
| D. | Pouring |
| Answer» C. Streaking | |
| 7. |
Name the term given to the type of mutation which depends on the conditions of the environment? |
| A. | Forward mutation |
| B. | Reverse mutation |
| C. | Conditional lethal mutation |
| D. | Gain of function mutation |
| Answer» D. Gain of function mutation | |
| 8. |
Which of the following is NOT true for loss of function mutation? |
| A. | Usually recessive |
| B. | Most common mutation |
| C. | Increases the activity of the gene |
| D. | Null allelic mutation |
| Answer» D. Null allelic mutation | |
| 9. |
Which of the following is NOT a type of reverse mutation? |
| A. | Back mutation |
| B. | Intergenic suppressor mutation |
| C. | Intragenic suppressor mutation |
| D. | Missense mutation |
| Answer» E. | |
| 10. |
Mark the INCORRECT statement about mutation? |
| A. | Mutation is predestined |
| B. | Major source of evaluation |
| C. | Usually deleterious and recessive |
| D. | It is a reversible process |
| Answer» B. Major source of evaluation | |
| 11. |
All types of mutations are transferable among generations. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
Damage and errors in DNA cause___________ |
| A. | Mutation |
| B. | DNA repair |
| C. | Translation |
| D. | Transcription |
| Answer» B. DNA repair | |