MCQOPTIONS
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MCQOPTIONS
This section includes 15 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 is the approximate size of poxviruses? |
| A. | t100 kb |
| B. | t200 kb |
| C. | t300 kb |
| D. | t10 kb |
| Answer» D. t10 kb | |
| 2. |
What is the unusual property associated with poxviruses? |
| A. | tSmall size |
| B. | tReplication mechanism |
| C. | tExpression mechanism |
| D. | tReplication site |
| Answer» E. | |
| 3. |
Vaccinia is a type of ___________ |
| A. | tPoxvirus |
| B. | tHybrid vector |
| C. | tAlphavirus |
| D. | tVaccination |
| Answer» B. tHybrid vector | |
| 4. |
Transduction is a more suitable procedure for gene therapy using alphavirus vectors. |
| A. | tTrue |
| B. | tFalse |
| Answer» B. tFalse | |
| 5. |
Which of the following is a standard eukaryotic promoter? |
| A. | tSV10 |
| B. | tSV20 |
| C. | tSV30 |
| D. | tSV40 |
| Answer» E. | |
| 6. |
What is the function of downstream restriction sites of the pSinRep5 vector? |
| A. | tCircularization |
| B. | tLinearization |
| C. | tDNA replication |
| D. | tTransfection |
| Answer» C. tDNA replication | |
| 7. |
Which of the following promoters is used in pSinRep5 vector? |
| A. | tSP2 |
| B. | tSP4 |
| C. | tSP6 |
| D. | tSP8 |
| Answer» D. tSP8 | |
| 8. |
pSinRep5 is a ________ vector marketed by Invitrogen. |
| A. | tSindbis replicon |
| B. | tHybrid |
| C. | tAlphavirus |
| D. | tBaculovirus |
| Answer» B. tHybrid | |
| 9. |
Why is the enhancer region included in many vectors based on alphaviruses? |
| A. | tExpression of protein on N-terminus |
| B. | tExpression of protein on P-terminus |
| C. | tExpression as a fusion protein |
| D. | tTo decrease expression |
| Answer» D. tTo decrease expression | |
| 10. |
A strong enhancer of protein synthesis in the Sindbis vector increases ______________ |
| A. | tRecombinant protein |
| B. | tRecombinant DNA |
| C. | tTransgene |
| D. | tGenomic size |
| Answer» B. tRecombinant DNA | |
| 11. |
In insertion alphaviral vectors, the capsid polyprotein is replaced by __________ |
| A. | tPromoter |
| B. | tInducer |
| C. | tRNA |
| D. | tTransgene |
| Answer» E. | |
| 12. |
Introduction of foreign DNA downstream of the subgenomic promoter produces two distinct _________________ |
| A. | tRNAs |
| B. | tProteins |
| C. | tDNA |
| D. | tTransgene |
| Answer» B. tProteins | |
| 13. |
Replication competitive vectors contain an additional __________ |
| A. | tPromoter |
| B. | tSubgenomic promoter |
| C. | tInducer |
| D. | tDouble promoter |
| Answer» C. tInducer | |
| 14. |
The negative strand produced by replicase protein contains no internal promoter. |
| A. | tTrue |
| B. | tFalse |
| Answer» C. | |
| 15. |
What does the replicase protein of alphaviral vectors produce? |
| A. | tTransgene |
| B. | tComplementary strand |
| C. | tDaughter genome |
| D. | tHost genome |
| Answer» C. tDaughter genome | |