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- Question
A change from lysogeny to lysis is generally induced by
Options- A. ultraviolet light
- B. chemicals
- C. irradiation
- D. all of these
- Correct Answer
- ultraviolet light
- 1. When a virus enters a cell but does not replicate immediately, the situation is called
Options- A. lysogeny
- B. fermentation
- C. symbiosis
- D. synergism Discuss
- 2. Which of the following is continuous cell line?
Options- A. HeLa
- B. HEp-2
- C. KB
- D. All of these Discuss
- 3. Usually viruses are separated into several large groups based primarily on
Options- A. nature of the host
- B. nucleic acid characteristics
- C. capsid symmetry
- D. diameter of the viroin or nucleocapsid Discuss
- 4. The sequence of nucleic acid in a variety of viruses and viral host, will find more similarities
Options- 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 Discuss
- 5. The viral nucleocapsid is the combination of
Options- A. genome and capsid
- B. capsid and spikes
- C. envelope and capsid
- D. capsomere and genome Discuss
- 6. Viruses require __________ for growth.
Options- A. bacteria
- B. plants
- C. animals
- D. living cells Discuss
- 7. The first step in infection of a host bacterial cells by a phage is
Options- A. adsorption
- B. absorption
- C. penetration
- D. replication Discuss
- 8. The lysogenic state is governed by the activity of the regulatory region of the lambda phage genomes; this region is termed as
Options- A. immunity repressor
- B. immunity operon
- C. operon repressor
- D. none of these Discuss
- 9. Which of the following viruses belong/s to family caliciviridae?
Options- A. Hepatitis B virus
- B. Hepatitis D virus
- C. Hepatitis E virus
- D. All of these Discuss
- 10. Which of the following virus is susceptible to chloroform?
Options- A. Herpes
- B. Influenza
- C. Measles
- D. All of these Discuss
Viruses problems
Search Results
Correct Answer: lysogeny
Correct Answer: All of these
Correct Answer: nature of the host
Correct Answer: between viruses and their hosts than among different viruses
Correct Answer: genome and capsid
Correct Answer: living cells
Correct Answer: adsorption
Correct Answer: immunity operon
Correct Answer: Hepatitis E virus
Correct Answer: All of these
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