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Microbiology Mcqs

The key cell types involved in the acquired immunity include all EXCEPT________________?

  • (A)  B lymphocytes
  • (B)  Erythrocytes
  • (C)  T lymphocytes
  • (D)  Antigen presenting cells (APC
Submitted By :Ali Uppal


Sterilization is a process in which_________________?

  • (A)  Kill all pathogenic micro-organisms
  • (B)  Kill all non-pathogenic micro-organisms in the environment
  • (C)  Deactivate all pathogens not spores
  • (D)  Deactivate all spores and dill pathogenic organism
Submitted By :Ali Uppal


Immunoglobulin crossing placenta is_________________?

  • (A)  Ig M
  • (B)  Ig A
  • (C)  Ig G
  • (D)  Ig D
Submitted By :Ali Uppal


The term animalcules to oral microorganisms is given by__________________?

  • (A)  Wd miller
  • (B)  Leumenhoek
  • (C)  Robertson
  • (D)  Socranci
Submitted By :Ali Uppal


Submitted By :Ali Uppal


Cleavage of IgG molecule by Papin gives rise to:One Fc fragment and two Fab fragments_______________?

  • (A)  One Fc fragment and two Fab fragments
  • (B)  One Fc fragment and four Fab fragments
  • (C)  Two Fc fragments and two Fab fragments
  • (D)  Two Fc fragment and one Fab fragment
Submitted By :Ali Uppal


The function of IgD is______________?

  • (A)  Antigen recognition by B cells
  • (B)  Localization protection in external secretion
  • (C)  Compliment activation
  • (D)  Reagin activity
Submitted By :Ali Uppal


Submitted By :Ali Uppal


Cell wall deficient bacteria are_______________?

  • (A)  Escherichia Coli
  • (B)  Staphylococci
  • (C)  Spirochetes
  • (D)  Mycoplasma
Submitted By :Ali Uppal


Purpose of Sterilization is to eliminate________________?

  • (A)  Bacteria
  • (B)  Viruses
  • (C)  Spore formers
  • (D)  Fungus
Submitted By :Ali Uppal