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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


Malignant pustule is referred to_________________?

  • (A)  Facio-cervical actinomycosis
  • (B)  Cutaneous anthrax
  • (C)  Infected squamous cell carcinoma
  • (D)  None of the above
Submitted By :Ali Uppal


The urine sample of a patient has been sent to the laboratory to look for Leptospira. The specimen is to be screened by use of the__________________?

  • (A)  Scanning microscope
  • (B)  Inverted microscope
  • (C)  Dark ground microscope
  • (D)  Electron microscope
Submitted By :Ali Uppal


On a stained slide, clostridium tetani has the appearance of a__________________?

  • (A)  Bunch of a
  • (B)  Chain of beads
  • (C)  Drum stick
  • (D)  Safely pin
Submitted By :Ali Uppal