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MCQs

Total Questions : 42 | Page 3 of 5 pages
Question 21. . Polyhedrin protein is
  1.    non essential for baculo virus replication
  2.    major component of protein matrix in which viruses are embedded
  3.    both (a) and (b)
  4.    essential for baculo virus replication
 Discuss Question
Answer: Option C. -> both (a) and (b)
Question 22. . Lytic infection of SV 40 does not occur in
  1.    permissive cells
  2.    non permissive cells
  3.    both (a) and (b)
  4.    none of these
 Discuss Question
Answer: Option B. -> non permissive cells
Question 23. . Which one of the following is true about Yeast Integrative plasmids (YIp) vectors?
  1.    Allows transformation by using crossing over
  2.    Has a origin of replication and rep genes
  3.    Carries autonomously replicating sequence
  4.    Carries centromere and telomere sequences
 Discuss Question
Answer: Option A. -> Allows transformation by using crossing over
Question 24. . Moloney-Mu-leukemia virus is an example of
  1.    Vaccinia virus
  2.    Baculo virus
  3.    Retro virus
  4.    none of these
 Discuss Question
Answer: Option C. -> Retro virus
Question 25. . SV 40 vectors, in which late region replacements are done, require
  1.    COS cell line
  2.    SV 40 helper virus
  3.    pBR 322 vector
  4.    none of these
 Discuss Question
Answer: Option B. -> SV 40 helper virus
Question 26. . The size of the genome of SV 40 is
  1.    7.2 kb
  2.    69 kb
  3.    5.2 kb
  4.    110 kb
 Discuss Question
Answer: Option C. -> 5.2 kb
Question 27. . YAC vectors can be used to obtain artificial chromosomes because it carries
  1.    centromere
  2.    telomere
  3.    autonomously replicating sequence
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Question 28. . Maximum insert size in case of adenovirus vectors is
  1.    6-8 kb
  2.    4-6 kb
  3.    10-12 kb
  4.    20 kb
 Discuss Question
Answer: Option A. -> 6-8 kb
Question 29. .  Which of the following(s) is/are the most commonly used markers in yeast?
  1.    His 3
  2.    Ura 3
  3.    Trp 1
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Question 30. . Bovine papilloma virus has a circular double stranded DNA genome of about
  1.    2.5 kb
  2.    5.2 kb
  3.    7.9 kb
  4.    9.5 kb
 Discuss Question
Answer: Option C. -> 7.9 kb

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