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MCQs

Total Questions : 62 | Page 3 of 7 pages
Question 21. The promoter used for cloning HBV surface antigen is
  1.    galactokinase
  2.    alcohol dehydrogenase 1
  3.    β-galactosidase
  4.    polyhedrin
 Discuss Question
Answer: Option B. -> alcohol dehydrogenase 1
Answer: (b).alcohol dehydrogenase 1
Question 22. The first therapeutic product formed by means of recombinant DNA technology is
  1.    human growth hormone
  2.    insulin
  3.    hepatitis B vaccine
  4.    vaccine for foot and mouth disease
 Discuss Question
Answer: Option B. -> insulin
Answer: (b).insulin
Question 23. Which one of the following capsid protein of picorna virus is immunogenic in nature?
  1.    VP1
  2.    VP2
  3.    VP3
  4.    VP4
 Discuss Question
Answer: Option A. -> VP1
Answer: (a).VP1
Question 24. Recombinant vaccine for HBV was produced by cloning viral genes in
  1.    plasmids
  2.    cosmids
  3.    autonomously replicating plasmid of yeast
  4.    phagemids
 Discuss Question
Answer: Option C. -> autonomously replicating plasmid of yeast
Answer: (c).autonomously replicating plasmid of yeast
Question 25. Enzymes that recognize and cleave specific 4 to 8 base pair sequences of DNA are
  1.    DNA ligase
  2.    helicases
  3.    restriction endonucleases
  4.    DNA gyrase
 Discuss Question
Answer: Option C. -> restriction endonucleases
Answer: (c).restriction endonucleases
Question 26. Charged molecules are separated based on varying rates of migration through a solid matrix when subjected to an electric field. This technique is known as
  1.    photoreactivation
  2.    gel electrophoresis
  3.    autoradiography
  4.    blotting
 Discuss Question
Answer: Option B. -> gel electrophoresis
Answer: (b).gel electrophoresis
Question 27. Which of the following vector can maintain the largest fragment of foreign DNA?
  1.    YAC
  2.    Cosmid
  3.    Plasmid
  4.    Phage
 Discuss Question
Answer: Option A. -> YAC
Answer: (a).YAC
Question 28. A genomic library is
  1.    a database where the sequence of an organism's genome is stored
  2.    a collection of many clones possessing different DNA fragments from the same organisms bound to vectors
  3.    a book that describes how to isolate DNA from a particular organism
  4.    a place where the information of the genetic organization of organisms are kept.
 Discuss Question
Answer: Option B. -> a collection of many clones possessing different DNA fragments from the same organisms bound to vectors
Answer: (b).a collection of many clones possessing different DNA fragments from the same organisms bound to vectors
Question 29. For gene probes to be useful they must
  1.    be large enough to contain gene-specific sequences
  2.    be labeled in some manner to allow detection
  3.    both (a) and (b)
  4.    none of the above
 Discuss Question
Answer: Option C. -> both (a) and (b)
Answer: (c).both (a) and (b)
Question 30. Problems in obtaining large amounts of proteins encoded by recombinant genes can often be overcome by using
  1.    BACS
  2.    expression vectors
  3.    YACS
  4.    all of these
 Discuss Question
Answer: Option B. -> expression vectors
Answer: (b).expression vectors

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