MCQOPTIONS
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MCQOPTIONS
This section includes 20 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following viral infections can result in chronic carrier state? |
| A. | HBV |
| B. | HCV |
| C. | HDV |
| D. | All of these |
| Answer» E. | |
| 2. |
Most reliable test for detection of hepatitis E infection is |
| A. | ELISA test for IgM anti-HEV |
| B. | Western blot assay for IgM anti-HEV |
| C. | Polymerase chain reaction for detection of HEV RNA |
| D. | ELISA test for IgG anti-HEV |
| Answer» D. ELISA test for IgG anti-HEV | |
| 3. |
The most serious infection is |
| A. | superinfection of an HBsAg carrier by HDV |
| B. | infection with HBV alone |
| C. | coinfection of HBVand HDV |
| D. | none of the above |
| Answer» B. infection with HBV alone | |
| 4. |
Which of the following specimens contain/s hepatitis B virus in an infected person? |
| A. | Blood |
| B. | Semen |
| C. | Saliva |
| D. | All of these |
| Answer» E. | |
| 5. |
Vertical transmission may be seen in |
| A. | Hepatitis B virus |
| B. | Hepatitis C virus |
| C. | Hepatitis D virus |
| D. | All of these |
| Answer» E. | |
| 6. |
Which of the following hepatitis viruses is not RNA virus? |
| A. | Hepatitis A virus |
| B. | Hepatitis B virus |
| C. | Hepatitis E virus |
| D. | Hepatitis G virus |
| Answer» C. Hepatitis E virus | |
| 7. |
Which of the following nucleic acid is present in hepatitis B virus? |
| A. | dsDNA |
| B. | ssRNA |
| C. | ssDNA |
| D. | dsRNA |
| Answer» B. ssRNA | |
| 8. |
The agent representing an isolate of hepatitis G virus is |
| A. | GBA-A |
| B. | GBV-B |
| C. | GBV-C |
| D. | none of these |
| Answer» D. none of these | |
| 9. |
Hepatitis G virus belongs to the family |
| A. | Caliciviridae |
| B. | Flaviviridae |
| C. | Hepadnaviridae |
| D. | Coronaviridae |
| Answer» C. Hepadnaviridae | |
| 10. |
Transmission of hepatitis G virus is |
| A. | Parenterally |
| B. | Sexually |
| C. | Both (a) and (b) |
| D. | None of these |
| Answer» D. None of these | |
| 11. |
The defective satellite virus is |
| A. | hepatitis B |
| B. | hepatitis C |
| C. | hepatitis D |
| D. | hepatitis A |
| Answer» D. hepatitis A | |
| 12. |
Hepatocellular carcinoma (Hepatoma) may be caused by |
| A. | Hepatitis A virus |
| B. | Hepatitis C virus |
| C. | Both (a) and (b) |
| D. | None of these |
| Answer» D. None of these | |
| 13. |
The diagnosis of hepatitis A virus infection is carried out from the method based on |
| A. | aminotransferase levels |
| B. | detection of faecal HAV by immunoelectron microscopy |
| C. | both (a) and (b) |
| D. | detection of IgM anti-HAV by ELISA |
| Answer» E. | |
| 14. |
Which of the following is not correct for hepatitis A virus? |
| A. | It can be grown in cell cultures of primate and human cells |
| B. | It is one of the most stable viruses infecting humans |
| C. | It may cause hepatocellular carcinoma |
| D. | None of the above |
| Answer» D. None of the above | |
| 15. |
The viruses, which is/are transmitted by parenteral and sexual routes is/are |
| A. | Hepatitis B virus |
| B. | Hepatitis C virus |
| C. | Hepatitis G virus |
| D. | All of these |
| Answer» E. | |
| 16. |
Which of the following antigenic types of hepatitis B virus is present in the envelope? |
| A. | HbsAg |
| B. | HBcAg |
| C. | HBeAg |
| D. | HBxAg |
| Answer» B. HBcAg | |
| 17. |
The development of hepatocellular carcinoma is associated with |
| A. | ground squirrel hepatitis virus |
| B. | hepatitis B virus |
| C. | woodchuck hepatitis virus |
| D. | all of the above |
| Answer» E. | |
| 18. |
Which of the following antigenic types of hepatitis B virus is prevalent in India? |
| A. | Adw |
| B. | Adr |
| C. | Ayw |
| D. | Ayr |
| Answer» D. Ayr | |
| 19. |
Which of the following viruses can be transmitted by the parenteral route? |
| A. | HBV |
| B. | HCV |
| C. | HDV |
| D. | All of these |
| Answer» E. | |
| 20. |
All of the following viruses are enveloped except |
| A. | Hepatitis A virus |
| B. | Hepatitis B virus |
| C. | Hepatitis C virus |
| D. | Hepatitis D virus |
| Answer» B. Hepatitis B virus | |