Microbiology MCQ Question 251:-:-
The discovery that led to the development of first antibiotic was made by
(a) Robert Koch
(b) Alexander Fleming
(c) Joseph lister
(d) Antoine van Leeuwenhoek
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Ans: (b) Alexander Fleming ✔
Microbiology MCQ Question 252:-:-
Artificial active immunity is produced by
(a) Vaccination
(b) Immunoglobulins
(c) Human and animal sera
(d) None of the above
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Ans: (a) Vaccination ✔
Microbiology MCQ Question 253:-:-
Antiviral protein is known as….
(a) Antibody
(b) Interferon
(c) Antigen
(d) Antibody
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Ans: (b) Interferon ✔
Microbiology MCQ Question 254:-:-
The most suitable disinfectant for decontamination of HIV contaminated endoscope is
(a) 1% sodium hypochlorite
(b) 2% glutaraldehyde
(c) 5% phenol
(d) 70% ethanol
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Ans: (b) 2% glutaraldehyde ✔
Microbiology MCQ Question 255:-
Temperature and duration for Flash process of Pasteurization
(a) 77֯C for 20 seconds
(b) 100֯C for 20 seconds
(c) 63֯C for 20 seconds
(d) 63֯C for 20 seconds
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Ans: (a) 77֯C for 20 seconds ✔
Microbiology MCQ Question 256:-
Immunoglobulin that is inactivated at high temperature
(a) IgG
(b) IgA
(c) IgM
(d) IgE
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Ans: (d) IgE ✔
Microbiology MCQ Question 257:-
Exotoxins are usually
(a) Protein
(b) Heat labile
(c) More antigenic
(d) Non-enzymatic
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Ans: (a) Protein ✔
Microbiology MCQ Question 258:-
The function of an adjuvant in a vaccine is to enhance its:
(a) Distribution
(b) Immunogenicity
(c) Absorption
(d) Shelf life
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Ans: (b) Immunogenicity ✔
Microbiology MCQ Question 259:-
Anti-D given to a Rh-negative pregnant woman with Rh-positive foetus, before delivery is an example of
(a) Artificial active immunity
(b) Artificial passive immunity
(c) Natural passive immunity
(d) Adoptive immunity
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Ans: (b) Artificial passive immunity ✔
Microbiology MCQ Question 260:-
Characteristic feature of staphylococcus aureus is…..
(a) It is aerobic
(b) It produces golden yellow colonies
(c) Non-sporing
(d) All the above
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Ans: (d) All the above ✔
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