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MCQs

Total Questions : 232 | Page 7 of 24 pages
Question 61. A DNA molecule can contain as many as
  1.    300 genes
  2.    4000 genes
  3.    5000 genes
  4.    8000 genes
 Discuss Question
Answer: Option B. -> 4000 genes
Answer: (b).4000 genes
Question 62. Insulin consist of polypeptide chain of
  1.    One type
  2.    Two type
  3.    Four type
  4.    Three type
 Discuss Question
Answer: Option B. -> Two type
Answer: (b).Two type
Question 63. A continous variation is brought about by
  1.    Many genes
  2.    One gene
  3.    Sing gene
  4.    Fouse gene
 Discuss Question
Answer: Option A. -> Many genes
Answer: (a).Many genes
Question 64. Hybridization method is used to produce new and
  1.    Good variety
  2.    Better variety
  3.    Best variety
  4.    Bad variety
 Discuss Question
Answer: Option B. -> Better variety
Answer: (b).Better variety
Question 65. The staple food in west countries is
  1.    Wheat
  2.    Potato
  3.    Sugar cane
  4.    Rice
 Discuss Question
Answer: Option D. -> Rice
Answer: (d).Rice
Question 66. Cynamide hydratase, an enzyme produce by a soil fungus is used to convert cynamide to
  1.    Uric acid
  2.    Follic acid
  3.    Acetic acid
  4.    Urea
 Discuss Question
Answer: Option D. -> Urea
Answer: (d).Urea
Question 67. Insulin, a hormone controls the amount of
  1.    Glycogen
  2.    Protiens
  3.    Fats
  4.    Sugar
 Discuss Question
Answer: Option D. -> Sugar
Answer: (d).Sugar
Question 68. Blunt ends created by the restriction endonuclease can be joined.
  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. The recognition sequence for BamHI is 5’ G|GATCC 3’. The ‘|’ represents the cutting site. What can be inferred about the ends from it?
  1.    The ends created are double stranded
  2.    The single stranded end is 5’ in nature
  3.    The single stranded end is 3’ in nature
  4.    To decide about the nature of the ends more information is needed
 Discuss Question
Answer: Option B. -> The single stranded end is 5’ in nature
Answer: (b).The single stranded end is 5’ in nature
Question 70. The recognition sequence is at times palindromic in nature. Which of the following statements is correct with respect to it?
  1.    The molecules which are cut by the same enzyme, anneal only if the sequence is palindromic in nature
  2.    When the molecules are cleaved by the same enzyme and the recognition sequence is palindromic in nature, there is no effect on annealing
  3.    There are increased chances of annealing if the recognition sequence is palindromic in nature
  4.    The term ‘palindromic’ can be used whether the sequence is read from 5’ to 3’ or 3’ to 5’
 Discuss Question
Answer: Option C. -> There are increased chances of annealing if the recognition sequence is palindromic in nature
Answer: (c).There are increased chances of annealing if the recognition sequence is palindromic in nature

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