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Systematics Viruses Viroids Prions - Questions and Answers

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166. Viruses parasitizing bacteria are
A. Bacteriophages
B. Bacto-viruses
C. Retroviruses
D. Plasmids
Explanation:
167. Common genetic material of bacteriophage is
A. RNA
B. DNA
C. RNA and DNA
D. DNA and mRNA
Explanation:
168. Phylogenetic system differs from a natural system in its stress on
A. Anatomical details
B. Physiological traits
C. Morphological details
D. Origin and evolutionary trends
Explanation:
169. Virus consists of
A. Protein
B. Nucleic acid
C. Protein and RNA
D. Protein and nucleic acid
Explanation:
170. Virus attacking blue-green algae is known as
A. Cyanophage
B. Coliphage
C. Bacteriophage
D. Zoophage
Explanation:
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