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MCQs

Total Questions : 189 | Page 7 of 19 pages
Question 61. Protoplast transformation is less time consuming than lithium acetate for transformation.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 62. The replacement of one plasmid by another by introduction of the second plasmid into strain containing the first, followed by removal of the first by counterselection is known as __________
  1.    shuffle vector
  2.    plasmid shuffle
  3.    counterselection plasmid
  4.    combination plasmid
 Discuss Question
Answer: Option B. -> plasmid shuffle
Answer: (b).plasmid shuffle
Question 63. Schizosaccharomyces pombe is yeast and it reproduces by __________
  1.    budding
  2.    fissing
  3.    either budding or fissing
  4.    a method of reproduction other than budding or fissing
 Discuss Question
Answer: Option B. -> fissing
Answer: (b).fissing
Question 64. The leu1+ marker encodes which enzyme?
  1.    orotidine-5’-phosphate decarboxylase
  2.    beta isopropylmalate dehydrogenase
  3.    orotidine-5’-phosphate decarboxylase or beta isopropylmalate dehydrogenase
  4.    orotidine-5’-phosphate decarboxylase & beta isopropylmalate dehydrogenase
 Discuss Question
Answer: Option B. -> beta isopropylmalate dehydrogenase
Answer: (b).beta isopropylmalate dehydrogenase
Question 65. Promoters can be divided basically into how many types?
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option B. -> 2
Answer: (b).2
Question 66. Nmt1+ gene is used for _____ biosynthesis.
  1.    uracil
  2.    adenine
  3.    cytosine
  4.    thiamine
 Discuss Question
Answer: Option D. -> thiamine
Answer: (d).thiamine
Question 67. Chlamyodomonas reinhardtii is a green _________ algae.
  1.    unicellular
  2.    di-cellular
  3.    multicellular
  4.    either unicellular or di-cellular
 Discuss Question
Answer: Option A. -> unicellular
Answer: (a).unicellular
Question 68. The promoter from fbp1+ gene is suppressed in the presence of glucose.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 69. Species which can grow on _______ as a carbon source are called as methylotropic.
  1.    methylase
  2.    methanol
  3.    methane
  4.    methanoic acid
 Discuss Question
Answer: Option B. -> methanol
Answer: (b).methanol
Question 70. Chlamyodomonas genome is _______ rich.
  1.    AT
  2.    GC
  3.    Only A
  4.    Only C
 Discuss Question
Answer: Option B. -> GC
Answer: (b).GC

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