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MCQs

Total Questions : 127 | Page 10 of 13 pages
Question 91. . The glycosidic bond
  1.    in maltose is not hydrolyzed in lactose intolerant humans
  2.    in sucrose is hydrolyzed by bees
  3.    joins glucose and fructose to form sucrose
  4.    both (b) and (c)
 Discuss Question
Answer: Option D. -> both (b) and (c)
Question 92. . Under aerobic condition pyruvate is converted by pyruvate dehydrogenase to
  1.    phosphoenol pyruvate
  2.    acetyl CoA
  3.    lactate
  4.    glyceraldehyde 3 phosphate
 Discuss Question
Answer: Option B. -> acetyl CoA
Question 93. . The sugar which forms major component of nucleic acids is
  1.    ribose
  2.    galactose
  3.    mannose
  4.    maltose
 Discuss Question
Answer: Option A. -> ribose
Question 94. . Which of the following is not a disaccharide?
  1.    Amylose
  2.    Cellobiose
  3.    Lactose
  4.    None of these
 Discuss Question
Answer: Option A. -> Amylose
Question 95. . The ultimate source of energy that sustains living systems is
  1.    glucose
  2.    oxygen
  3.    sunlight
  4.    carbon dioxide
 Discuss Question
Answer: Option C. -> sunlight
Question 96. . Hexokinase activity in glycolysis is inhibited by
  1.    glucose 6- phosphate
  2.    fructose 6-phosphate
  3.    fructose 1,6 biphosphate
  4.    phosphofructokinase
 Discuss Question
Answer: Option A. -> glucose 6- phosphate
Question 97. . Citric acid accumulation would
  1.    stimulate phosphofructokinase activity
  2.    stimulate fructose 1,6 diphosphatase activity
  3.    inhibit phosphofructokinase activity
  4.    both (b) and (c)
 Discuss Question
Answer: Option D. -> both (b) and (c)
Question 98. . Which of the following is not involved in the biosynthesis of DNA?
  1.    Energy from ATP
  2.    Mononucleotides
  3.    Carbonic anhydrase
  4.    Enzymes
 Discuss Question
Answer: Option C. -> Carbonic anhydrase
Question 99. . Which of the following would be considered a part of metabolism?
  1.    Biosynthetic pathways that build DNA
  2.    Catabolic pathways that break down complex carbohydrates
  3.    The capture of light energy for use in making glucose
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 100. . Insulin
  1.    stimulates gluconeogenesis and glycolysis
  2.    stimulates gluconeogenesis and inhibits glycolysis
  3.    inhibits gluconeogenesis and glycolysis
  4.    inhibits gluconeogenesis and stimulates glycolysis
 Discuss Question
Answer: Option D. -> inhibits gluconeogenesis and stimulates glycolysis

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