Viruses Multiple Choice Questions(MCQs) and Answers

1. Which of the following disinfectant is effective against viruses?

2. Viruses largely lack metabolic machinery of their own to generate energy or to synthesize

3. Viruses require __________ for growth.

4. Reverse transcriptase is a useful enzyme to have when

5. The sequence of nucleic acid in a variety of viruses and viral host will find more similarities

6. When a virus enters a cell but does not replicate immediately, the situation is called

7. Usually, viruses are separated into several large groups based primarily on

8. The first step in infection of a host bacterial cells by a phage is

9. Which of the following viruses has not been associated with human cancer?

10. The viral nucleocapsid is the combination of

11. Edward Jenner began inoculating humans with material from __________ lesions.

12. The viruses in an attenuated vaccine

13. Enveloped viruses have a __________ shape.

14. The envelope of which of the following viruses is derived from the host cell nucleus?

15. Which of the following is a semi-continuous (diploid) cell line?

16. Plant viruses may be cultivated in

17. The oncogene theory refers to

18. In cell culture, the measles virus may lead to

19. A change from lysogeny to lysis is generally induced by

20. The viral DNA is removed from the host’s chromosomes and the lytic cycle occurs. The process is called