| May 17th, 2017 09:22 AM | |
| Vishal Kotkar | Re: aipmt questions on virus 1. Which of the following disinfectant is effective against viruses? A. Hydrogen peroxide B. Hypochlorite C. Formaldehyde D. All of these 2. Viruses largely lack metabolic machinery of their own to generate energy or to synthesize A. protein B. carbohydrate C. alcohol D. all of these 3. Viruses require __________ for growth. A. bacteria B. plants C. animals D. living cells 4. Reverse transcriptase is a useful enzyme to have when A. an RNA virus converts its RNA to DNA B. there are no host cells present C. nutrients are scarce D. spikes are forming in the new virus 5. The sequence of nucleic acid in a variety of viruses and viral host, will find more similarities A. among different viruses than between viruses and their hosts B. among different viral hosts than among different viruses C. among different viral hosts than between viruses and their hosts D. between viruses and their hosts than among different viruses 6. When a virus enters a cell but does not replicate immediately, the situation is called A. lysogeny B. fermentation C. symbiosis D. synergism 7. Usually viruses are separated into several large groups based primarily on A. nature of the host B. nucleic acid characteristics C. capsid symmetry D. diameter of the viroin or nucleocapsid 8. The first step in infection of a host bacterial cells by a phage is A. adsorption B. absorption C. penetration D. replication 9. Which of the following viruses has not been associated with human cancer? A. Hepatitis C virus B. Hepatitis B virus C. Varicella-Zoster virus D. Herpes simplex virus type 2 10. The viral nucleocapsid is the combination of A. genome and capsid B. capsid and spikes C. envelope and capsid D. capsomere and genome 11. Edward Jenner began inoculating humans with material from __________ lesions. A. Smallpox B. Avianpox C. Cowpox D. Chickenpox 12. The viruses in an attenuated vaccine A. have no genome B. continue to replicate C. are usually larger than bacteria D. is altered with chemicals 13. Enveloped viruses have a __________ shape. A. icosahedral B. helical C. roughly spherical D. complex 14. The envelope of which of the following viruses is derived from the host cell nucleus? A. Paramyxoviruses B. Retroviruses C. Orthomyxoviruses D. Herpesviruses 15. Which of the following is semi-continuous (diploid) cell line? A. HeLa B. HEp-2 C. WI-38 D. KB 16. Plant viruses may be cultivated in A. tissue culture B. cultures of separated cells C. whole plants D. all of these 17. The oncogene theory refers to A. how chemicals inactivate viruses when applied B. how viruses replicate in host cells C. how viruses transform normal cells into tumor cells D. none of these 18. In cell culture, measles virus may lead to A. nuclear pyknosis B. transformation of cells C. syncytium formation D. rounding and aggregation of cells 19. A change from lysogeny to lysis is generally induced by A. ultraviolet light B. chemicals C. irradiation D. all of these 20. The viral DNA is removed from the host's chromosomes and the lytic cycle occurs. The process is called A. spontaneous induction B. inductive infection C. resultant induction D. spontaneous infection |
| May 17th, 2017 09:21 AM | |
| Unregistered | Re: aipmt questions on virus Hi I would like to have the sample questions on Viruses in the Biology Section of the All India Pre Medical Test required for preparation purpose? |
| June 8th, 2016 12:32 PM | |
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