A. Protein polysaccharide complex
B. Heat labile
C. Highly potent
D. Has specific tissue affinity
A. Forssman antigen antibody reaction
B. Weil-Felix reaction
C. Paul bunnel reaction
D. Widal reaction
A. Increase toxigenicity
B. Increase antigenicity
C. Reduce the antigenicity
D. reduce the toxigenicity
A. 1
B. 2
C. 3
D. 4
A. antigenic and toxic
B. antigenic and non-toxic
C. non-antigenic and toxic
D. non-antigenic and non-toxic
A. Functional differences
B. Structural differences
C. Complemented fixation
D. None of the above
A. 1 hour
B. 1 day
C. 1 week
D. 1 Month
A. Erythema
B. Necrosis
C. Induration
D. Vasculitis
A. Blood agar
B. Tissue culture
C. Sabouraud’s agar
D. Thioglycollate medium
A. Clostridia
B. S. epidermidis
C. Choleria
D. Mycobacterium