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MCQs

Total Questions : 65 | Page 5 of 7 pages
Question 41. Which of the following factor does not favor peptide synthesis?
  1.    Use of liquid/liquid biphasic systems
  2.    Selection of protecting residues for amino and carboxyl groups
  3.    Choice of pH
  4.    Location of proteases
 Discuss Question
Answer: Option D. -> Location of proteases
Answer: (d).Location of proteases
Question 42. ____________ is the dipeptide of L-aspartic acid with the methyl ester of L-phenylalanine.
  1.    Lactose
  2.    Sucrose
  3.    Aspartame
  4.    Carnosine
 Discuss Question
Answer: Option C. -> Aspartame
Answer: (c).Aspartame
Question 43. A method for the synthesis of aspartame exemplifies the power of thermolysin, a protease.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 44. An alternative strategy to produce aspartame is kinetically controlled synthesis.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 45. The conversion of porcine insulin to human insulin is catalyzed by ________ enzyme.
  1.    thermolysin
  2.    trypsin
  3.    streptokinase
  4.    asparginase
 Discuss Question
Answer: Option B. -> trypsin
Answer: (b).trypsin
Question 46. Cocoa butter may be produced by using ________ acting as transacylases.
  1.    lipases
  2.    transferase
  3.    papain
  4.    dextransucrase
 Discuss Question
Answer: Option A. -> lipases
Answer: (a).lipases
Question 47. What does the following diagram represent?What Does The Following Diagram Represent?
  1.    Anhydrous enzyme suspended in the organic solvent
  2.    Enzyme dissolved in a reversed micellar medium
  3.    Immobilization by entrapment
  4.    Immobilization by adsorption
 Discuss Question
Answer: Option A. -> Anhydrous enzyme suspended in the organic solvent
Answer: (a).Anhydrous enzyme suspended in the organic solvent
Question 48. What does ‘X’ represent in the following reaction?
Ethyl acetate + isoamylalchohol \(\underset{Lipase}{\rightleftharpoons}\) X + ethanol
  1.    Isoamyl acetate
  2.    Cocoa butter
  3.    N-acetyllactosamine
  4.    Dextran
 Discuss Question
Answer: Option A. -> Isoamyl acetate
Answer: (a).Isoamyl acetate
Question 49. Cocoa butter is a fat which is not used in confectionery.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 50. For which of the following, acidolysis reaction is not required?
  1.    Increasing the value of rapeseed oil
  2.    Cheese making
  3.    Increasing the value of palm oil
  4.    Increasing the value of palm oil and sunflower oil
 Discuss Question
Answer: Option B. -> Cheese making
Answer: (b).Cheese making

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