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Microbiology Mcqs

Encapsulation in bacteria helps in__________________?

  • (A)  Spore formation
  • (B)  Decreased virulence
  • (C)  Prevent their phagocytosis
  • (D)  Oxygen effect
Submitted By :Ali Uppal


Phage conversion is required for________________?

  • (A)  Tularemia
  • (B)  Diptheria
  • (C)  Gonorrhoea
  • (D)  All o f the above
Submitted By :Ali Uppal


Wasserman test test is diagnostic of__________________?

  • (A)  Syphilis
  • (B)  Gonorrhea
  • (C)  TB
  • (D)  Tyhoid
Submitted By :Ali Uppal


Bacteria with potent exotoxin is_______________?

  • (A)  Clostridium tetani
  • (B)  Pseudomonas
  • (C)  Shigella
  • (D)  Klebsiella
Submitted By :Ali Uppal


Bacteria acquire characteristics by all of the following except___________________?

  • (A)  Though plasmids
  • (B)  Incorporating part of host DNA
  • (C)  Through bacteriophages
  • (D)  through conjugation
Submitted By :Ali Uppal


Submitted By :Ali Uppal


Grape bunch shaped colonies are seen in______________?

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


which of the following is anaerobic_______________?

  • (A)  E.coli
  • (B)  Bacteroides
  • (C)  Pseudomonas
  • (D)  Klebsiella
Submitted By :Ali Uppal


Inactivated microorganisms are used in the manufacture of which of the following________________?

  • (A)  Salk vaccine
  • (B)  Tetanus toxoid
  • (C)  Sabin’s oral vaccine
  • (D)  All of the above
Submitted By :Ali Uppal


The major intestinal pathogens which are non-lactose fermenters are_________________?

  • (A)  Salmonella
  • (B)  Klebsiella
  • (C)  Escherichia
  • (D)  Paracolons
Submitted By :Ali Uppal