The antigen used in Weil Felix test is obtained from:
A. Pseudomonas
A. coli
B. Proteus
C. Staphylococcus
Endotoxins are produced by:
A. Fungi
B. Gram +ve bacteria
C. Virus
D. Gram -ve bacteria
IgG antibodies have a half-life of approximately:
A. 1 hour
B. 1 day
C. 1 week
D. 1 Month
Human immunoglobulins are divided based on:
A. Functional differences
B. Structural differences
C. Complemented fixation
D. None of the above
Toxoids are:
A. antigenic and toxic
B. antigenic and non-toxic
C. non-antigenic and toxic
D. non-antigenic and non-toxic
IgG has subclasses:
A. 1
B. 2
C. 3
D. 4
Adjuvant given along with antigens are going to:
A. Increase toxigenicity
B. Increase antigenicity
C. Reduce the antigenicity
D. reduce the toxigenicity
Characters of exotoxin include all, except:
A. Protein polysaccharide complex
B. Heat labile
C. Highly potent
D. Has specific tissue affinity
Anaerobic bacteria can be cultured in:
A. L-J medium
B. Robertson cooked meat medium
C. Loefflers medium
D. Sabourauds agar
Louis Pasteur is not associated with:
A. Introduction of complex media
B. Discovery of Rabies Vaccine
C. Discovery of M. Tuberculosis
D. Disproved spontaneous regression theory
