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SUCROSE MCQs

Total Questions : 20 | Page 1 of 2 pages
Question 1. Which of the following sugars does not give positive Seliwanoff’s test?
  1.    Inulin
  2.    Sucrose
  3.    Fructose
  4.    Maltose
 Discuss Question
Answer: Option D. -> Maltose
Question 2. Sucrose on hydrolysis yields
  1.    glucose and fructose
  2.    two glucose molecules
  3.    glucose and lactose
  4.    glucose and galactose
 Discuss Question
Answer: Option A. -> glucose and fructose
Question 3. Invert sugar is produced on hydrolysis of
  1.    fructose
  2.    sucrose
  3.    dextrose
  4.    glucose
 Discuss Question
Answer: Option B. -> sucrose
Question 4. Sucrose is non-reducing sugar due to
  1.    presence of α-hydroxy keto group
  2.    its conversion to invert sugar
  3.    the linkage between both the anomeric carbon atoms
  4.    equal amount of D(+) glucose and D(–) fructose
 Discuss Question
Answer: Option C. -> the linkage between both the anomeric carbon atoms
Question 5. Which one of the following achieved fame for the synthesis of sucrose ordinary sugar?
  1.    Dr Raymond Lemieux
  2.    John Loudon McAdam
  3.    Sir Zacharias Janssen
  4.    Sir Thomas Edison
 Discuss Question
Answer: Option A. -> Dr Raymond Lemieux
Question 6. Which of the following is a non-reducing sugar?
  1.    Sucrose
  2.    Maltose
  3.    Lactose
  4.    Glucose
 Discuss Question
Answer: Option A. -> Sucrose
Question 7. The glyosidic bond
  1.    joins glucose and fructose to form sucrose.
  2.    in sucrose is hydrolyzed by bees to make honey from nectar.
  3.    in maltose is not hydrolyzed in "lactose intolerant" humans.
  4.    The first two choices are both correct.
 Discuss Question
Answer: Option D. -> The first two choices are both correct.
Question 8. Inversion of sucrose produces_____________________?
  1.    Fructose
  2.    Glucose
  3.    Both A. & B.
  4.    Neither A. nor B.
 Discuss Question
Answer: Option B. -> Glucose
Question 9. The sugar that forms a major component of nucleic acids (DNA, RNA) is
  1.    Glucose
  2.    Fructose
  3.    Galactose
  4.    Ribose
 Discuss Question
Answer: Option D. -> Ribose
Question 10. The phenomenon of mutarotation is not exhibited by
  1.    (+) Lactose
  2.    (–) Fructose
  3.    (+) Maltose
  4.    (+) Sucrose
 Discuss Question
Answer: Option D. -> (+) Sucrose

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