Antigen combining site of the antibody is____________________?
(A) Idiotope
(B) Paratope
(C) Epitope
(D) Hapten
Function of Ig A is________________?
(A) Acts as a mucosal barrier for infection
(B) Circulating antibody
(C) Kills virus infected cells
(D) Activates macrophages
Complement binding immunoglobin via the classical pathway is_______________?
(A) IgG & igM
(B) IgG & IgA
(C) IgG & IgD
(D) IgD & IgE
Most sensitive test for antigen detection is_______________?
(A) Radioimmuno Assay
(B) ELISA
(C) Immunoflourescence
(D) Passive hemaglutination
Following reaction are produced by heterophil antigens except_____________?
(A) Forssman antigen antibody reaction
(B) Weil-Felix reaction
(C) Paul bunnel reaction
(D) Widal reaction
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
The usual concentration of agar used in agar medium is___________________?
(A) 10%
(B) 2%
(C) 5%
(D) 15%