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Microbiology Mcqs

Immunity that is conferred to the foetus by transfer of IgG and IgA antibodies is called as______________?

  • (A)  Active acquired immunity
  • (B)  Passive acquired immunity
  • (C)  Natural active immunity
  • (D)  Passive natural immunity
Submitted By :Ali Uppal


Submitted By :Ali Uppal


Submitted By :Ali Uppal


Submitted By :Ali Uppal


Cold sterilization refers to the process of sterilization by use of______________?

  • (A)  Ultra violet rays
  • (B)  Ultrasonic vibrations
  • (C)  Infrared rays
  • (D)  Gamma rays
Submitted By :Ali Uppal


The prototype of Type II hypersensitivity reaction is__________________?

  • (A)  Arthus reaction
  • (B)  SLE
  • (C)  Auto immune hemolytic anemia
  • (D)  Contact dermatitis
Submitted By :Ali Uppal


Flash pasteurization of milk is done at what temperature______________?

  • (A)  125°C for new seconds
  • (B)  60°C for 15 minutes
  • (C)  72°C for 5 minutes
  • (D)  72° for 15 – 20 Sec
Submitted By :Ali Uppal


Spores are disinfected by_______________?

  • (A)  Glutaraldehyde
  • (B)  Betapropiolactone
  • (C)  Formaldehyde
  • (D)  Hexachlorophen
  • (E)  Both A & C
Submitted By :Ali Uppal


Most of the drug resistances occurs due to_____________?

  • (A)  Transduction
  • (B)  Transformation
  • (C)  Mutation
  • (D)  conjugation
Submitted By :Ali Uppal


Endotoxins are produced by________________?

  • (A)  Fungi
  • (B)  Gram +ve bacteria
  • (C)  Virus
  • (D)  Gram -ve bacteria
Submitted By :Ali Uppal