Microbiology MCQs

Page No. 43

Which of the following methods is adopted for screening HIV infection ?


aVirus isolation


bWestern blot followed by ELISA


c ELISA followed by western blot technique


dPolymers chain reaction



Australian antigen is_______________?


aHB Ag


b HBs AG


cHBV


dNone of the above


View Answer HBs AG

EBV causes all except_________________?


aCarcinoma of nasopharynx


b Papilloma


cInfectious mononucleosis


dBurkitt’s lymphoma


View Answer Papilloma

True about HIV are all except______________?


a DNA virus


bAttacks CD4 cells


cMacrophages are the reservoir


dDecrease CD4 count in late stages


View Answer DNA virus

All are oncogenic except________________?


aEB virus


bPapilloma virus


cHerpes simplex virus


dVaricella zoster virus


View Answer Herpes simplex virus

DNA covering material in a virus is called as________________?


aCapsomere


bCapsid


c Nucleocapsid


dEnvelope


View Answer Capsid

Plaque test is used routinely in virology lab’s for________________?


aIdentification of viral disease


bTo separate specific clone of virus


c To maintain certain viral culture


dTo prepare vaccines



During the Window period of patient with AIDS_______________?


aELISA IS – ve


bWestern Blot is – ve


cBoth are – ve


dPCR is – ve


View Answer Both are – ve

Viruses can be isolated from clinical samples by cultivation in the following except_______________?


aTissue culture


bEmbryonated eggs


cAnimals


dChemically defined media



Hepatitis B infection spreads through all of the following routes except______________?


aBlood transfusion


b Sexual contact


cFaeco oral route


dPerinatal transmission


View Answer Faeco oral route

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