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MCQs

Total Questions : 69 | Page 7 of 7 pages
Question 61. Glucose is converted to fructose by _________ enzyme.
  1.    lactase
  2.    phosphorylase
  3.    glucose isomerase
  4.    raffinase
 Discuss Question
Answer: Option C. -> glucose isomerase
Answer: (c).glucose isomerase
Question 62. Production of DE glucose syrup using glucoamylase has shortcomings as an object of commerce.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 63. What does ‘X’ represent in the following reaction?
Starch (Gₙ) + orthophosphate \( \underset{x}{\rightleftharpoons}\) Starch (Gₙ-1) + α – glucose – 1- phosphate
  1.    Lactase
  2.    Invertase
  3.    Phosphorylase
  4.    Raffinase
 Discuss Question
Answer: Option C. -> Phosphorylase
Answer: (c).Phosphorylase
Question 64. _____________ isomerizes α-D-glucopyranose to α-D –fructofuranose.
  1.    Xylose isomerase
  2.    Glucose isomerase
  3.    Sucrose phosphorylase
  4.    Invertase
 Discuss Question
Answer: Option A. -> Xylose isomerase
Answer: (a).Xylose isomerase
Question 65. D-aminoacids are used in the production of _________
  1.    glucose syrups
  2.    low calorific sweetener
  3.    insecticides
  4.    sunscreen agents
 Discuss Question
Answer: Option C. -> insecticides
Answer: (c).insecticides
Question 66. A crude immobilized-enzyme preparation consisting of heat -treated achromobacter liquidum cells entrapped in a polyacrylamide gel has been used to convert L-histidine to urocanic acid effectively.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 67. Immobilized __________ is prepared by entrapping Escherichia coli cells in a k-carageenan gel cross-linked with glutaraldehyde and hexamethylenediamine.
  1.    raffinase
  2.    lactase
  3.    aspartase
  4.    aminoacyclase
 Discuss Question
Answer: Option C. -> aspartase
Answer: (c).aspartase
Question 68. What does ‘Y’ represent in the following reaction?
Fumaric acid + NH₄⁺ \(\underset{x}{\rightleftharpoons}\) L-aspartic acid
  1.    Invertase
  2.    Histidase
  3.    Aspartase
  4.    Raffinase
 Discuss Question
Answer: Option A. -> Invertase
Answer: (a).Invertase
Question 69. L-aspartic acid is used in _________ industry.
  1.    cheese making
  2.    food
  3.    dairy
  4.    sucrose
 Discuss Question
Answer: Option B. -> food
Answer: (b).food

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