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Microbiology Mcqs

Antigen used in Weil-Felix reaction______________?

  • (A)  E.coli
  • (B)  Haemophilus
  • (C)  Proteus
  • (D)  Staphylococcus
Submitted By :Ali Uppal


The most primitive mode of gene transfer occurs by____________?

  • (A)  Transduction
  • (B)  Translation
  • (C)  Cell fusion
  • (D)  Conjugation
Submitted By :Ali Uppal


Staphylococcal toxic shock syndrome (SSS syndrome) is due to______________?

  • (A)  Enterotoxin A
  • (B)  Enterotoxin B
  • (C)  Enterotoxin D
  • (D)  Enterotoxin F
Submitted By :Ali Uppal


Rickettsiae__________________?

  • (A)  Multiply within living cell
  • (B)  Transmitted by arthropod vectors
  • (C)  Respond to tetracycline therapy
  • (D)  All of the above
Submitted By :Ali Uppal


Opacity around colonies of Clostridium perfringens is due to_________________?

  • (A)  Theta toxin
  • (B)  Lecithinase
  • (C)  Desmolase
  • (D)  Cytokinin
Submitted By :Ali Uppal


Commonest mycobacterial infection in tropical countries_______________?

  • (A)  M. leprae
  • (B)  M. avium intracellulare
  • (C)  M. tuberculosis
  • (D)  Kansasi
Submitted By :Ali Uppal


Rapid diagnosis of Tuberculosis is possible with_______________?

  • (A)  Ziel Nelson
  • (B)  Kin Young stain
  • (C)  Auramine-Rhodamine stain
  • (D)  Giemsa stain
Submitted By :Ali Uppal


Leprosy bacilli can be grown in_________________?

  • (A)  Foot paid on nine branded armadilo
  • (B)  Tail of guinea pig
  • (C)  Testes of albino rats
  • (D)  Testes of guinea pig
Submitted By :Ali Uppal


Streptococcus is classified based on__________________?

  • (A)  M Protein
  • (B)  Cultural characteristics
  • (C)  Bile Solubility
  • (D)  Cell wall carbohydrate
Submitted By :Ali Uppal


Pneumococus can be differentiated from streptococcus by________________?

  • (A)  Type of hemolysis
  • (B)  Gram staining
  • (C)  Growth characteristics
  • (D)  Bile solubility
Submitted By :Ali Uppal