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MCQs

Total Questions : 189 | Page 9 of 19 pages
Question 81. If gene of interest is inserted into protoplasts but the transformation is not stable, then it is called as __________ expression systems.
  1.    permanent
  2.    temporary
  3.    transient
  4.    unstable
 Discuss Question
Answer: Option C. -> transient
Answer: (c).transient
Question 82. 35S promoter is obtained from _________
  1.    Tobacco mosaic virus
  2.    Cauliflower mosaic virus
  3.    Agrobacterium
  4.    Arabdopsis
 Discuss Question
Answer: Option B. -> Cauliflower mosaic virus
Answer: (b).Cauliflower mosaic virus
Question 83. What is the function of glyphosate?
  1.    It is a fungicide
  2.    It is an herbicide
  3.    It is an enzyme used in place of glucose as a carbon source
  4.    It is used for adding phosphate groups
 Discuss Question
Answer: Option B. -> It is an herbicide
Answer: (b).It is an herbicide
Question 84. Which of the following promoter is having high tissue specificity?
  1.    35S promoter
  2.    nos promoter
  3.    35S & nos promoters are having high specificity
  4.    neither of the promoter is having high specificity
 Discuss Question
Answer: Option D. -> neither of the promoter is having high specificity
Answer: (d).neither of the promoter is having high specificity
Question 85. Mutant strains of Saccharomyces cervevisiae in which endogenous DNA are deleted are called as _________
  1.    rho0
  2.    synthetic rho
  3.    rho+
  4.    rho-
 Discuss Question
Answer: Option A. -> rho0
Answer: (a).rho0
Question 86. COX3 gene is a selectable marker. Choose the correct statement with respect to it.
  1.    It confers the ability to grow by anaerobic respiration
  2.    It confers the ability to grow by aerobic respiration
  3.    It confers the ability to grow in absence of uracil
  4.    It confers the ability to grow in lithium acetate medium
 Discuss Question
Answer: Option B. -> It confers the ability to grow by aerobic respiration
Answer: (b).It confers the ability to grow by aerobic respiration
Question 87. Barstar is _________
  1.    RNAse
  2.    RNAse inhibitor
  3.    DNAse
  4.    DNAse inhibitor
 Discuss Question
Answer: Option B. -> RNAse inhibitor
Answer: (b).RNAse inhibitor
Question 88. Caenorhabditis elegans is a model organism of great importance in biological systems. It is a/an _________
  1.    algae
  2.    parasite
  3.    fungi
  4.    nematode
 Discuss Question
Answer: Option D. -> nematode
Answer: (d).nematode
Question 89. The ARG8m gene which produces an enzyme for arginine biosynthesis is located in _______ and is of ______ origin.
  1.    mitochondrial, nuclear
  2.    nuclear, mitochondrial
  3.    nuclear, nuclear
  4.    mitochondrial, mitochondrial
 Discuss Question
Answer: Option A. -> mitochondrial, nuclear
Answer: (a).mitochondrial, nuclear
Question 90. DNA can be injected into Caenorhabditis elegans by biolistic transformation. The injected DNA forms arrays of extrochromosomal copies which are stable in nature.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False

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