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.Management Sciences
Category: Virology
Viruses can be isolated from clinical samples by cultivation in the following except_______________?
A. Tissue culture
B. Embryonated eggs
C. Animals
D. Chemically defined media
The HIV virus can be destroyed invitro by which of the following_____________?
A. Boiling
B. Ethanol
C. Cidex
D. All of the above
Incubation pariod of herpes zoster is________________?
A. 7-14 days
B. 1 months
C. 1-2 years
D. 3-6 months
Which of the following is not a pox virus ?
A. Cowpox
B. Molluscum contagiosum
C. Small pox
D. chicken pox
The best way of detecting the presence of viruses in the infected cell – culture is____________?
A. Cytopathic changes in culture cells
B. Presence of viral protein in the infected monolayer
C. Haemagglutination test
D. Haemagglutination inhibition test
Pigs are important source of_____________?
A. Japanese encephalitis
B. Kuru
C. Yellow fever
D. Rabies
One virus particle prevents multiplication of 2nd virus. This phenomena is____________?
A. Viral interference
B. Mutation
C. Supervision
D. Permutation
Australian antigen is_______________?
A. HB Ag
B. HBs AG
C. HBV
D. None of the above
True about prions________________?
A. Composed largely proteins without any nucleic acid
B. Phase in which virus cannot be demonstrated in host cell
C. Viruses which are genetically deficient
D. Viral components may be synthesized but maturation & assembling is defective
Which of the following methods is adopted for screening HIV infection ?
A. Virus isolation
B. Western blot followed by ELISA
C. ELISA followed by western blot technique
D. Polymers chain reaction
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