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Microbiology Mcqs

The best skin disinfectant is________________?

  • (A)  Chlorhexdine
  • (B)  Alcohol
  • (C)  Savlon
  • (D)  None of the above
Submitted By :Ali Uppal


Culture medium for corynebacterium diphtheria_______________?

  • (A)  Loefflers serum slope
  • (B)  Mc Conkey
  • (C)  Saboraud agar
  • (D)  Lowenstein Jensen medium
Submitted By :Ali Uppal


Dorset’s egg medium is used for cultivation of______________?

  • (A)  Staphylococcus
  • (B)  Streptococcus
  • (C)  Gonococcus
  • (D)  Mycobacterium
Submitted By :Ali Uppal


The mechanism of genetic transfer where a phage serves as a vehicle is_______________?

  • (A)  Transformation
  • (B)  Translation
  • (C)  Conjugation
  • (D)  Lysogeny
Submitted By :Ali Uppal


Mesophilic organisms are those that grow best at temperature of______________?

  • (A)  -20°C to -7°C
  • (B)  -7°C to + 20°C
  • (C)  25°C to 40°C
  • (D)  55°C to 80°C
Submitted By :Ali Uppal


The anaphylaxis should be treated first with_____________?

  • (A)  Epinephrine
  • (B)  Steroids
  • (C)  Anti histamines
  • (D)  Antibiotics
Submitted By :Ali Uppal


Dry heat destroys microorganisms by_____________?

  • (A)  Lysis
  • (B)  Oxidation
  • (C)  Hydrolysis of DNA
  • (D)  Coagulation of proteins
Submitted By :Ali Uppal


Robertsons cooked meat medium is best suited for cultivation of_______________?

  • (A)  Clostridia
  • (B)  S. epidermidis
  • (C)  Choleria
  • (D)  Mycobacterium
Submitted By :Ali Uppal


The medium of choice for growing most fungi is_______________?

  • (A)  Blood agar
  • (B)  Tissue culture
  • (C)  Sabouraud’s agar
  • (D)  Thioglycollate medium
Submitted By :Ali Uppal


Submitted By :Ali Uppal