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.Management Sciences
Category: General Microbiology
The component that sensitizes bacteria and virus to UV irradiation_______________?
A. Lipids
B. Carbohydrates
C. Inorganic salts
D. Nucleic acids
A woman with infertility receives an ovary transplant from her sister who is an identical Twin. What type of graft it is ?
A. Xenograft
B. Autograft
C. Allograft
D. Isograft
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
The protective effects breast milk are known to be associated with______________?
A. IgM antibodies
B. Lysozyme
C. Mast cells
D. IgA antibodies
When horse serum is injected intravenoulsy in to a rabbit and again in to the skin two or three weeks later, what is the necrotizing reaction that occurs as the site of the second injection________________?
A. Atopy
B. Anaphylaxis
C. Arthus phenomenon
D. Serum sickness
Which is type II hypersensitivity ?
A. Anaphylaxis
B. Delayed hypersensitivity
C. Immune complex mediated
D. Cytotoxic / cytolytic type
Sterilisation control for moist heat is “or” The efficacy of the moist heat sterilization technique commonly used to sterlilize laboratory ware and culture media is tested by using_______________?
A. using Bacillus stearo thermo philus
B. Using non-pathogenic strain of clostridium tetani
C. Using chemical indicator
D. Using methylene blue
Most antibodies are produced in the________________?
A. Heart and the liver
B. Brain and the meninges
C. Thymus and the appendix
D. Spleen and the lymph nodes
Which of the following is not used as disinfectant________________?
A. 1-2% cetrimide
B. 100% alcohol
C. 2% Lysol
D. 5% chloroxylene
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