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MCQs

Total Questions : 55 | Page 3 of 6 pages
Question 21. Which of the following member of the lentivirus family causes pneumonia?
  1.    HIV-1
  2.    HIV-2
  3.    Visna-Maedi
  4.    Bovine immunodeficiency
 Discuss Question
Answer: Option C. -> Visna-Maedi
Answer: (c).Visna-Maedi
Question 22. HIV is not transmitted through ____________
  1.    saliva
  2.    breast milk
  3.    vaginal fluids
  4.    blood
 Discuss Question
Answer: Option A. -> saliva
Answer: (a).saliva
Question 23. Which of the following member of the lentivirus family causes anemia?
  1.    HIV-2
  2.    Visna-Maedi
  3.    Bovine immunodeficiency
  4.    Anemia
 Discuss Question
Answer: Option D. -> Anemia
Answer: (d).Anemia
Question 24. Which of the following is a pleiotropic regulator?
  1.    Vif
  2.    Vpr
  3.    Nef
  4.    Vpu
 Discuss Question
Answer: Option C. -> Nef
Answer: (c).Nef
Question 25. Tat _________
  1.    upregulates translation
  2.    downregulates translation
  3.    upregulates transcription
  4.    downregulates transcription
 Discuss Question
Answer: Option C. -> upregulates transcription
Answer: (c).upregulates transcription
Question 26. HIV-1 is haploid.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 27. Which of the following enzyme maintains the ends of the chromosome?
  1.    Ligase
  2.    Polymerase
  3.    Telomerase
  4.    Protease
 Discuss Question
Answer: Option C. -> Telomerase
Answer: (c).Telomerase
Question 28. M-tropic viruses infect only CD4+ macrophages and not T cells.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 29. Which of the following may occur due to transformation?
  1.    Mutation
  2.    Weight loss
  3.    Anemia
  4.    Weight gain
 Discuss Question
Answer: Option A. -> Mutation
Answer: (a).Mutation
Question 30. Which of the following factor does not contribute to virus-associated oncogenesis?
  1.    Age
  2.    Height
  3.    Diet
  4.    Environment
 Discuss Question
Answer: Option B. -> Height
Answer: (b).Height

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