Exam preparation MCQs with answers

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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
Influenza is caused by_____________?
  • (A)  Orthomyxo virus, which is a DNA virus
  • (B)  Paramyxo virus, which is a RNA virus
  • (C)  Paramyxo virus, which is a DNA virus
  • (D)  Orthomyxo virus, which is a RNA virus