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Systematics Viruses Viroids Prions - Questions and Answers

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216. Which of the following diseases is not caused by virus
A. Mumps
B. AIDS
C. Tuberculosis
D. Rabies
Explanation:
217. Process of reverse transcription was discovered by
A. Garrod
B. Temin and Baltimore
C. Beadle and Tatum
D. Marshall and Nirenberg
Explanation:
218. Virus with nucleic acid but without protein coat is
A. Virion
B. Viroid
C. Capsid
D. Prion
Explanation:
219. The latest view for the origin of viruses is
A. They have arisen from nucleic acid and protein found in primitive soup
B. They arose from bacteria as a result of loss of cell wall, ribosomes, etc.
C. They arose from some bacteria which developed a nucleus only
D. They are modified plasmids which are in fact the fragments of nucleic acids of the host
Explanation:
220. Viral genome that has been integrated and incorporated with bacterial genome is called
A. DNA
B. Prophase
C. RNA
D. Both B and C
Explanation:
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