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.Management Sciences
Category: General Microbiology
First released immunoglobulin after primary immunization_______________?
0
A. IgD
B. IgE
C. IgG
D. IgM
Endoscopes are sterilized by using_______________?
A. Autoclaving
B. Boiling
C. Cidex
D. Gamma radiation
Bacterial spores are destroyed by_______________?
A. Boiling at 100°C
B. Disinfection by hypochlorite solution
C. Autoclave
D. Pasteurisation
The mechanism of genetic transfer where a phage serves as a vehicle is_______________?
A. Transformation
B. Translation
C. Conjugation
D. Lysogeny
Zero growth rate is observed during one of the phase of the bacterial growth curve______________?
A. Lag
B. Exponential growth
C. Stationary phase
D. Decline
Anaerobic bacteria can be cultured in__________________?
A. L-J medium
B. Robertson cooked meat medium
C. Loefflers medium
D. Sabourauds agar
IL-1 and TNF a during inflammation are secreted by______________?
A. Plasma cells
B. Activated macrophages
C. Lymphocytes
D. Platelet
Robertsons cooked meat medium is best suited for cultivation of_______________?
A. Clostridia
B. S. epidermidis
C. Choleria
D. Mycobacterium
Type I hypersensitivity is mediated by which of the following immunoglobulins ?
A. IgA
B. IgG
C. IgM
D. IgE
Characters of exotoxin include all, except_______________?
A. Protein polysaccharide complex
B. Heat labile
C. Highly potent
D. Has specific tissue affinity
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