Explore topic-wise MCQs in Microbiology.

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.
Discussion
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
Discussion
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
Discussion
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.
Discussion
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.
Discussion
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
Discussion
7.

Which of the following nucleic acid is present in hepatitis B virus?
A. dsDNA
B. ssRNA
C. ssDNA
D. dsRNA
Answer» B. ssRNA
Discussion
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
Discussion
9.

Hepatitis G virus belongs to the family
A. Caliciviridae
B. Flaviviridae
C. Hepadnaviridae
D. Coronaviridae
Answer» C. Hepadnaviridae
Discussion
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
Discussion
11.

The defective satellite virus is
A. hepatitis B
B. hepatitis C
C. hepatitis D
D. hepatitis A
Answer» D. hepatitis A
Discussion
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
Discussion
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.
Discussion
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
Discussion
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.
Discussion
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
Discussion
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.
Discussion
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
Discussion
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.
Discussion
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
Discussion