8. Which type of interferon is produced by virus-infected cells?
A.α
B.β
C.Both (a) and (b)
D.None of these

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9. Fluorescence microscopy can be used for the diagnosis of
A.Subacute sclerosing panencephalitis
B.Herpes simplex encephalitis
C.Rabies
D. All of these

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10. Viral matrix proteins are
A.exposed on the surface of the virus
B.found mainly on naked viruses
C.anchor the envelope of enveloped viruses
D.part of the nucleoprotein core of viruses

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11. Mumps vaccine is prepared from the cultures of
A.chick fibroblasts
B.African green monkey cells
C.healthy calves
D.sheep

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12. The microbes which are most likely to be completely dependent on a plant or animal host are
A.viruses
B.bacteria
C.fungi
D.algae

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13. The two major components of viruses are
A.fat and protein
B.nucleic acid and protein
C.carbohydrate and nucleic acid
D.fat and carbohydrate

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14.  The transcription of the viral nucleic acid into mRNA is not necessary in case of
A.RNA viruses
B.ds DNA viruses
C.ss DNA viruses
D.all of these

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