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Systematics Viruses Viroids Prions - Questions and Answers

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201. Number of obligate categories is
A. 9
B. 7
C. 5
D. 3
Explanation:
202. Naked DNA virus is
A. Polio virus
B. Adenovirus
C. Reovirus
D. Ribovirus
Explanation:
203. What is true of viruses?
A. They are obligate intracellular parasites
B. They are bigger than bacteria
C. They contain both DNA and RNA
D. They are nonspecific for their hosts
Explanation:
204. TMV has a size of
A. 50 nm x 10 nm
B. 100 nm x 20 nm
C. 300 nm x 18 nm
D. 500 nm x 24 nm
Explanation:
205. Which of the following viruses has DNA?
A. Tobacco Mosaic Virus
B. Cauliflower Mosaic Virus
C. Tomato Mosaic Virus
D. Potato Mosaic Virus
Explanation:
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