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Systematics Viruses Viroids Prions - Questions and Answers

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176. Animal viruses mostly contain
A. RNA
B. RNA or DNA
C. DNA
D. None of the above
Explanation:
177. In Rous Sarcoma Virus information flow is
A. DNA → Protein → RNA
B. DNA → RNA → Protein
C. RNA → DNA → Protein
D. RNA → DNA → RNA → Protein
Explanation:
178. Viroids differ from viruses in
A. Satellite RNA packaged with viral genome
B. Naked DNA molecules
C. Naked RNA molecules only
D. Naked DNA packaged with viral genome
Explanation:
179. Lectotype is
A. Duplicate of holotype
B. Specimen described along with holotype
C. Specimen cited by author without making one holotype
D. Speciment selected from original material for nomenclatural type when there is no holotype
Explanation:
180. Tailed bacteriophage is
A. Nonmotile
B. Actively motile in water
C. Motile on bacterial surface
D. Motile on surface of plant leaves
Explanation:
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