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MCQs

Total Questions : 84 | Page 5 of 9 pages
Question 41. Circular DNA used for cloning is called___________
  1.    DNA polymerase
  2.    RNA polymerase
  3.    Phagosome
  4.    Plasmid
 Discuss Question
Answer: Option D. -> Plasmid
Answer: (d).Plasmid
Question 42. Without origin of replication, DNA cannot be replicated in the cell.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 43. Which of the following is NOT a cloning vector?
  1.    Bacterial plasmid
  2.    Cosmids
  3.    Bacteriophage
  4.    E.coli
 Discuss Question
Answer: Option D. -> E.coli
Answer: (d).E.coli
Question 44. Cloning vector has the following properties, except one?
  1.    Contain genetic marker for selection
  2.    Ability to replicate
  3.    Multiple restriction site for entry of DNA
  4.    Contain nonessential DNA to optimize cloning
 Discuss Question
Answer: Option C. -> Multiple restriction site for entry of DNA
Answer: (c).Multiple restriction site for entry of DNA
Question 45. Which of the following particles is used in the gene gun method?
  1.    Iron particles
  2.    Aluminum particles
  3.    Silver particles
  4.    Gold particles
 Discuss Question
Answer: Option D. -> Gold particles
Answer: (d).Gold particles
Question 46. Which of the following is NOT true for agrobacterium?
  1.    Horizontal gene transfer
  2.    Gram positive bacteria
  3.    Causes tumor in plants
  4.    Transfer DNA in plants
 Discuss Question
Answer: Option B. -> Gram positive bacteria
Answer: (b).Gram positive bacteria
Question 47. The map of the chromosome which shows identifiable sites is called___________
  1.    Gene expression
  2.    Genome sequencing
  3.    Chromosome walking
  4.    Genome map
 Discuss Question
Answer: Option D. -> Genome map
Answer: (d).Genome map
Question 48. Which of the following shows the location of the inserted genes?
  1.    Palindromic sequences
  2.    Resistance gene
  3.    Restriction site
  4.    Marker gene
 Discuss Question
Answer: Option D. -> Marker gene
Answer: (d).Marker gene
Question 49. Name the disease caused by Agrobacterium in plants?
  1.    Crown gall disease
  2.    Black knot
  3.    Downy Mildew
  4.    Early Blight
 Discuss Question
Answer: Option A. -> Crown gall disease
Answer: (a).Crown gall disease
Question 50. Name the mechanism which is used to correct the defective gene?
  1.    Gene therapy
  2.    Gene knockout
  3.    Gene knock-in
  4.    Restriction Fragment Length Polymers
 Discuss Question
Answer: Option A. -> Gene therapy
Answer: (a).Gene therapy

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