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MCQs

Total Questions : 196 | Page 4 of 20 pages
Question 31. Which of the following viral infections is associated with the development of hydrophobia?
  1.    Rabies
  2.    Influenza
  3.    Polio
  4.    Hepatitis
 Discuss Question
Answer: Option A. -> Rabies
Answer: (a).Rabies
Question 32. What is the shape of rabies virus?
  1.    Spherical
  2.    Polygonal
  3.    Bullet-shaped
  4.    Tubular
 Discuss Question
Answer: Option C. -> Bullet-shaped
Answer: (c).Bullet-shaped
Question 33. Which of the following viruses is star-shaped in outline and transmitted by the faecal-oral route?
  1.    Astrovirus
  2.    Calicivirus
  3.    Hepatitis E virus
  4.    Hepatitis D virus
 Discuss Question
Answer: Option A. -> Astrovirus
Answer: (a).Astrovirus
Question 34. Which of the following clinical specimens can be used for the demonstration of rabies antigen by direct immunofluorescence antemortem?
  1.    Salivary smears
  2.    Corneal smears
  3.    Conjunctival smears
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Answer: (d).All of these
Question 35. The species of animals which is most susceptible to rabies infection is
  1.    dog
  2.    cat
  3.    fowl
  4.    cow
 Discuss Question
Answer: Option B. -> cat
Answer: (b).cat
Question 36. Animal viruses with capsids displaying helical symmetry include
  1.    measles and mumps
  2.    influenza
  3.    rabies
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Answer: (d).all of these
Question 37. What can be coated to the plastic dish if an ELISA is performed to directly detect polio virus?
  1.    Patient serum
  2.    Anti-polio antibody
  3.    Polio capsid protein
  4.    Colored substrate
 Discuss Question
Answer: Option B. -> Anti-polio antibody
Answer: (b).Anti-polio antibody
Question 38. Icosahedral viruses are generally
  1.    polio viruses
  2.    adeno viruses
  3.    both (a) and (b)
  4.    none of these
 Discuss Question
Answer: Option C. -> both (a) and (b)
Answer: (c).both (a) and (b)
Question 39. Which of the following reflects the correct order of events that take place during the multiplication of a virus?
  1.    Attachment, penetration, maturation, biosynthesis, release
  2.    Penetration, attachment, biosynthesis, maturation, release
  3.    Attachment, penetration, biosynthesis, maturation, release
  4.    Attachment, release, biosynthesis, maturation, penetration
 Discuss Question
Answer: Option C. -> Attachment, penetration, biosynthesis, maturation, release
Answer: (c).Attachment, penetration, biosynthesis, maturation, release
Question 40. Negative strand ssRNA viruses need to have a preformed replicase when they invade a mammalian cell because they
  1.    use it to terminate transcripts when they copy host cell mRNA
  2.    have to make a positive strand copy that can be translated
  3.    use it to modify host enzymes that are recruited for viral replication
  4.    none of the above
 Discuss Question
Answer: Option B. -> have to make a positive strand copy that can be translated
Answer: (b).have to make a positive strand copy that can be translated

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