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.Management Sciences
Category: Microbiology
The type of immunoglobulin most commonly increased in multiple myeloma is_______________?
A. IgG
B. IgA
C. IgM
D. IgD
What is the sequence which a retro virus follows on entering a host cell ?
A. RNA -DNA-RNA
B. RNA-DNA
C. DNA-RNA
D. DNA-RNA-DNA
Disinfection frees the surface from______________?
A. Vegetative forms
B. Spore forms
C. Both of the above
D. None of the above
Which of the following is not a koch’s postulate ?
A. The bacteria should be able to be isolated from a diseased tissue
B. When inoculated in experimental animals bacteria may or may not cause disease
C. Pure cultures can be obtained
D. Bacteria should be able to be isolated from the diseased tissue in the experimental animals
The spirochete which is associated with fusospirochetosis is______________?
A. Treponema pallidum
B. Treponjema pertenue
C. Borrelia burgdorferi
D. Borrelia vincenti
The Process of attenuation can be achieved by all except___________________?
A. Growing bacteria in adverse environment
B. Growing bacteria in unconventional host
C. Serial passage in an experimental host
D. Repeated cultures in artificial media
Multiple drug resistance of bacteria depends on which of the following_______________?
A. Resistance transfer factor (RTF)
B. Colicigenic factor (Col)
C. Fertility factor (F+)
D. All of the above
One of the following staining methods is an example of negative staining_______________?
A. Gram’s staining
B. Fontana’s staining
C. India ink preparation
D. Zheil-Neilson’s staining
The virulence factors of Neisseria gonorrhea include all of the following except____________?
A. Outer membrane proteins
B. IgA Protease
C. M-Proteins
D. Pili
Glasswares are sterilised by______________?
A. Autoclaving
B. Hot air oven
C. Incineration
D. Formaldehyde
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