- (A) It can be detected during the window period
- (B) Free P24 antigen disappears after the appearance of IgM response to it:
- (C) Virus load parallel P24 titre
- (D) It remains during asymptomatic phase
Exam preparation MCQs with answers
Practice Pakistan's most useful MCQs for competitive exams
Prepare for NTS, PPSC, FPSC and subject-wise tests with fresh multiple choice questions, clear options and quick answer reveal.
Latest MCQs
- (A) Flavi virus
- (B) Togaviridae
- (C) Reoviridae
- (D) Rhabdoviridae
- (A) IgM antibodies in serum
- (B) Isolation form stool
- (C) Culture from blood
- (D) Isolation from bile
- (A) Rubella
- (B) Rubeola
- (C) Herpes simplex
- (D) Herpetic ginglvostomatitis
- (A) Hanta virus pulmonary syndrome is caused by inhalation of rodent urine and faces
- (B) Kyanasur forest disease is caused by bite of wild animal
- (C) Lyssa virus is transmitted by ticks
- (D) None of the above
- (A) Above 600
- (B) Between 1000-2000
- (C) Below 200
- (D) Above 2000
- (A) Saubourd’s agar
- (B) Rogosa medium
- (C) Nonembryonated egg
- (D) Embryonated egg
- (A) Inactive carrier
- (B) Healthy carrier
- (C) Convalscent carrier
- (D) Paradoxical carrier
- (A) Sialoperoxidase
- (B) Secretory IgA
- (C) Salivary leukocyte proteinase inhibitor
- (D) Histidine rich proteins
- (A) Hepatitis B virus
- (B) Hepatitis C virus
- (C) Hepatitis E virus
- (D) Hepatitis A virus

