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Actinomycetes is______________?

  • (A)  Gram positive bacteria
  • (B)  Gram negative bacteria
  • (C)  Fungus
  • (D)  A yeast like form
Submitted By :Ali Uppal


Drumstick appearance is seen in______________?

  • (A)  Cl. tetani
  • (B)  Cl. tetanomorphum
  • (C)  Cl. sphenoids
  • (D)  All of the above
Submitted By :Ali Uppal


Nagglers reaction detects________________?

  • (A)  Coagulase
  • (B)  Hyaluronidase
  • (C)  Lecithinase
  • (D)  None of the above
Submitted By :Ali Uppal


In T.B cell mediated immunity is by_______________?

  • (A)  CD 4*
  • (B)  CD 8*
  • (C)  B – lymphocytes
  • (D)  None of the above
Submitted By :Ali Uppal


Mycobacterium tuberculosis is differentiated from other atypical mycobacteria by______________?

  • (A)  Niacin test
  • (B)  AFB staining
  • (C)  Pas staining
  • (D)  None of the above
Submitted By :Ali Uppal


Leprosy bacilli are transmitted from person to person by all except______________?

  • (A)  Dischange from nasal mucosa
  • (B)  From open sore
  • (C)  Through intact skin
  • (D)  Through breast milk
Submitted By :Ali Uppal


Salmonella typhi can be isolated at different times from______________?

  • (A)  Feaces
  • (B)  Blood
  • (C)  Urine
  • (D)  All of the above
Submitted By :Ali Uppal


Which of the following characteristics of bacteria is not true?

  • (A)  Unicellular
  • (B)  Free living
  • (C)  Having either DNA or RNA
  • (D)  Cell wall containing muramic acid
Submitted By :Ali Uppal


The single most important laboratory test for determining the virulence of staphylococci is___________?

  • (A)  Mannitol fermentation
  • (B)  Hemolysis of sheep erythrocytes
  • (C)  Detection of coagulase
  • (D)  The catalase test
Submitted By :Ali Uppal


Which of the following have the capability to produce extra cellular polysaccharides______________?

  • (A)  Strep. Mutans
  • (B)  Strep. pyogenes
  • (C)  Peptostreptococcus
  • (D)  Enterococcus
Submitted By :Ali Uppal