Microbiology MCQs

Page No. 49

Presence of HBe Ag in patients with hepatitis indicates_____________?


aSimple carriers


bLate convalescence


c High infectivity


dCarrier status


View Answer High infectivity

Portal of entry of poliovirus in mainly_______________?


aGastrointestinal tract


bNasal mucosa


c Lung


dSkin



The HIV virus can be destroyed invitro by which of the following_____________?


aBoiling


bEthanol


cCidex


d All of the above


View Answer All of the above

Certain viruses have been isolated in crytalline form and have been found to be_____________?


aNucleotides


bPhospholipids


c Scleroproteins


dNucleoproteins


View Answer . Nucleoproteins

The presence of Which of the following factors in viruses makes protective vaccines a possibility ?


aEnzymes


bProtein coat


cPolysaccharide


dLipids


View Answer Protein coat

Herpes virus_____________?


a Acquires its envelope from nuclear membrane


bAcquires its envelope from nucleolar membrane


cAcquires its envelope from cytoplasmi membrane


dNone of the above



Pigs are important source of_____________?


a Japanese encephalitis


bKuru


cYellow fever


dRabies


View Answer Japanese encephalitis

True about prions________________?


aComposed largely proteins without any nucleic acid


b Phase in which virus cannot be demonstrated in host cell


c Viruses which are genetically deficient


dViral components may be synthesized but maturation & assembling is defective



Incubation pariod of herpes zoster is________________?


a 7-14 days


b 1 months


c 1-2 years


d 3-6 months


View Answer 7-14 days

In which of the following immunization is given after infection is started________________?


aRabies


bPoliomyelitis


cInfluenza


dHerpes


View Answer Rabies

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