Microbiology MCQs

Page No. 21

Plasmid__________________?


aInvolved in multidrug resistance transfer


bInvolved in conjugation


cImparts capsule formation


dImparts pili formation


View Answer Both A & B

Immunoglobin, Which is produced first by the fetus in response to infection_______________?


aIgG


bIgA


cIgM


d IgD


View Answer IgM

Phagocytosis enhanced by coating the surface of antigen is called______________?


aOpsonisation


bChemotaxis


cDe coding


dCFT


View Answer Opsonisation

The exact part of the antigen that reacts with the immune system is called as_____________?


aClone


bEpitope


cIdiotope


dParatope


View Answer Epitope

Immunoglobulin consists of________________?


a 2 light, 2 heavy chains


b1 heavy, 2 light chains


c1 light, 1 heavy chain


d3 light, 1 heavy chain



Secretory piece of IgA is synthesized in______________?


a T-cells


bB-cells


cLymph nodes


dMucosal epithelium


View Answer Mucosal epithelium

VDRL is a________________?


a Slide flocculation test


bTube flocculation test


cTube agglutination test


d Latex agglutination test



Delayed tuberculin test response is due to_______________?


aB lymphocytes


bT lymphocytes


cMonocytes


dHistiocytes


View Answer T lymphocytes

Haptane is_______________?


aSame as epitopes


bCarrier required for specific antibody production


cHigh molecular protein


dNone of the above



Function of T-lymphocyte is/are________________?


aProduction of interferon


bLymphokine production


cRosette formation


dAll of the above


View Answer All of the above

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