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Microbiology Mcqs

Opsonisation is by_______________?

  • (A)  IgA
  • (B)  IgE
  • (C)  IgG
  • (D)  IgM
  • (E)  Both C & D
Submitted By :Ali Uppal


Antigen combining site of the antibody is____________________?

  • (A)  Idiotope
  • (B)  Paratope
  • (C)  Epitope
  • (D)  Hapten
Submitted By :Ali Uppal


Function of Ig A is________________?

  • (A)  Acts as a mucosal barrier for infection
  • (B)  Circulating antibody
  • (C)  Kills virus infected cells
  • (D)  Activates macrophages
Submitted By :Ali Uppal


Complement binding immunoglobin via the classical pathway is_______________?

  • (A)  IgG & igM
  • (B)  IgG & IgA
  • (C)  IgG & IgD
  • (D)  IgD & IgE
Submitted By :Ali Uppal


Most sensitive test for antigen detection is_______________?

  • (A)  Radioimmuno Assay
  • (B)  ELISA
  • (C)  Immunoflourescence
  • (D)  Passive hemaglutination
Submitted By :Ali Uppal


Following reaction are produced by heterophil antigens except_____________?

  • (A)  Forssman antigen antibody reaction
  • (B)  Weil-Felix reaction
  • (C)  Paul bunnel reaction
  • (D)  Widal reaction
Submitted By :Ali Uppal


Characters of exotoxin include all, except_______________?

  • (A)  Protein polysaccharide complex
  • (B)  Heat labile
  • (C)  Highly potent
  • (D)  Has specific tissue affinity
Submitted By :Ali Uppal


Anaerobic bacteria can be cultured in__________________?

  • (A)  L-J medium
  • (B)  Robertson cooked meat medium
  • (C)  Loefflers medium
  • (D)  Sabourauds agar
Submitted By :Ali Uppal


Louis Pasteur is not associated with_______________?

  • (A)  Introduction of complex media
  • (B)  Discovery of Rabies Vaccine
  • (C)  Discovery of M. Tuberculosis
  • (D)  Disproved spontaneous regression theory
Submitted By :Ali Uppal


Submitted By :Ali Uppal