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MCQs

Total Questions : 463 | Page 34 of 47 pages
Question 331. The viral nucleocapsid is the combination of
  1.    genome and capsid
  2.    capsomere and genome
  3.    envelope and capsid
  4.    capsid and spikes
 Discuss Question
Answer: Option A. -> genome and capsid
Question 332. When a virus enters a cell but does not replicate immediately, the situation is called
  1.    synergism
  2.    fermentation
  3.    lysogeny
  4.    symbiosis
 Discuss Question
Answer: Option C. -> lysogeny
Question 333. Which of the following viruses has not been associated with human cancer?
  1.    Herpes simplex virus type 2
  2.    Hepatitis C virus
  3.    Hepatitis B virus
  4.    Varicella-Zoster virus
 Discuss Question
Answer: Option D. -> Varicella-Zoster virus
Question 334. Edward Jenner began inoculating humans with material from __________ lesions.
  1.    Cowpox
  2.    Smallpox
  3.    Avianpox
  4.    Chickenpox
 Discuss Question
Answer: Option A. -> Cowpox
Question 335. The viruses in an attenuated vaccine
  1.    is altered with chemicals
  2.    continue to replicate
  3.    have no genome
  4.    are usually larger than bacteria
 Discuss Question
Answer: Option B. -> continue to replicate
Question 336. The envelope of which of the following viruses is derived from the host cell nucleus?
  1.    Orthomyxoviruses
  2.    Retroviruses
  3.    Paramyxoviruses
  4.    Herpesviruses
 Discuss Question
Answer: Option D. -> Herpesviruses
Question 337. Which of the following is semi-continuous (diploid) cell line?
  1.    HEp-2
  2.    HeLa
  3.    KB
  4.    WI-38
 Discuss Question
Answer: Option D. -> WI-38
Question 338. Enveloped viruses have a __________ shape.
  1.    icosahedral
  2.    complex
  3.    roughly spherical
  4.    helical
 Discuss Question
Answer: Option C. -> roughly spherical
Question 339. The viral DNA is removed from the host's chromosomes and the lytic cycle occurs. The process is called
  1.    spontaneous infection
  2.    spontaneous induction
  3.    inductive infection
  4.    resultant induction
 Discuss Question
Answer: Option B. -> spontaneous induction
Question 340. The oncogene theory refers to
  1.    none of these
  2.    how viruses transform normal cells into tumor cells
  3.    how viruses replicate in host cells
  4.    how chemicals inactivate viruses when applied
 Discuss Question
Answer: Option B. -> how viruses transform normal cells into tumor cells

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