MCQOPTIONS
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MCQOPTIONS
This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which type of homing is DNA-based? |
| A. | Group I intron |
| B. | Group II intron |
| C. | Group III intron |
| D. | Group IV intron |
| Answer» B. Group II intron | |
| 2. |
Which of the following introns have self-splicing activity? |
| A. | Group I and group II |
| B. | Group II and group III |
| C. | Group III and group IV |
| D. | Group I and group III |
| Answer» B. Group II and group III | |
| 3. |
HIV may not respond to ____________ |
| A. | Nucleoside analogues |
| B. | Protease inhibitors |
| C. | Neuraminidase inhibitors |
| D. | Reverse transcriptase inhibitors |
| Answer» D. Reverse transcriptase inhibitors | |
| 4. |
Which enzyme used in the formation of cDNA from mRNA? |
| A. | Polymerase |
| B. | Helicase |
| C. | Reverse transcriptase |
| D. | Gyrase |
| Answer» D. Gyrase | |
| 5. |
Reverse transcriptase does not catalyze ____________ |
| A. | RNA-dependent DNA synthesis |
| B. | RNA degradation |
| C. | DNA-dependent DNA synthesis |
| D. | DNA-dependent RNA synthesis |
| Answer» E. | |
| 6. |
Which is an example of RNA-dependent DNA polymerase? |
| A. | Reverse transcriptase |
| B. | DNA ligase |
| C. | RNA polymerase I |
| D. | RNA polymerase II |
| Answer» B. DNA ligase | |
| 7. |
WHICH_OF_THE_FOLLOWING_INTRONS_HAVE_SELF-SPLICING_ACTIVITY??$ |
| A. | Group I and group II |
| B. | Group II and group III |
| C. | Group III and group IV |
| D. | Group I and group III |
| Answer» B. Group II and group III | |
| 8. |
Which type of homing is DNA-based?$ |
| A. | Group I intron |
| B. | Group II intron |
| C. | Group III intron |
| D. | Group IV intron |
| Answer» B. Group II intron | |
| 9. |
HIV may not respond t? |
| A. | Nucleoside analogues |
| B. | Protease inhibitors |
| C. | Neuraminidase inhibitors |
| D. | Reverse transcriptase inhibitors |
| Answer» D. Reverse transcriptase inhibitors | |
| 10. |
Which of the following is RNA-dependent RNA polymerase? |
| A. | Reverse transcriptase |
| B. | RNA polymerase I |
| C. | RNA polymerase II |
| D. | RNA replicase |
| Answer» E. | |
| 11. |
Which of the following solves the problem of shortening of chromosomes in each cell cycle? |
| A. | DNA ligase |
| B. | Endonuclease |
| C. | Telomerase |
| D. | RNA polymerase |
| Answer» D. RNA polymerase | |
| 12. |
The enzyme used in the formation of cDNA from mRNA is |
| A. | Polymerase |
| B. | Helicase |
| C. | Reverse transcriptase |
| D. | Gyrase |
| Answer» D. Gyrase | |
| 13. |
Which of the following statements about viruses is true? |
| A. | They contain DNA |
| B. | They contain RNA |
| C. | They contain protein |
| D. | They are susceptible to lipid solvents |
| Answer» D. They are susceptible to lipid solvents | |
| 14. |
Which of the following are not DNA viruses? |
| A. | Hepatitis B virus |
| B. | Influenza A virus |
| C. | CMV virus |
| D. | Parvovirus |
| Answer» C. CMV virus | |
| 15. |
Reverse transcriptase does not catalyze |
| A. | RNA-dependent DNA synthesis |
| B. | RNA degradation |
| C. | DNA-dependent DNA synthesis |
| D. | DNA-dependent RNA synthesis |
| Answer» E. | |
| 16. |
An example of RNA-dependent DNA polymerase is |
| A. | Reverse transcriptase |
| B. | DNA ligase |
| C. | RNA polymerase I |
| D. | RNA polymerase II |
| Answer» B. DNA ligase | |