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MCQs

Total Questions : 69 | Page 5 of 7 pages
Question 41. Immobilized __________ is used to remove the raffinose and stachyose from soybean milk.
  1.    raffinase
  2.    xylose isomerase
  3.    invertase
  4.    papain
 Discuss Question
Answer: Option A. -> raffinase
Answer: (a).raffinase
Question 42. ____________ is stirred with sugar beet juice in batch stirred tank reactors to remove raffinose.
  1.    Kluyveromyces lactis
  2.    Bacillus Licheniformis
  3.    Mortierella vinacea
  4.    Bacillus acidopullulyticus
 Discuss Question
Answer: Option C. -> Mortierella vinacea
Answer: (c).Mortierella vinacea
Question 43. A productivity of 16 tons of inverted syrup may be achieved using one liter of the granular enzyme.
  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. Which one of the following is not a step in production of glucose syrups using invertase?
  1.    Yeast cells were autolyzed
  2.    Filtration through a bed of calcium sulphate
  3.    Adsorption into bone char
  4.    Galactose released is destroyed by alkaline conditions
 Discuss Question
Answer: Option D. -> Galactose released is destroyed by alkaline conditions
Answer: (d).Galactose released is destroyed by alkaline conditions
Question 45. Hydantoinase and a carbamoylase used in the production of aminoacids from D-hydantoins may be obtained from _____________ species.
  1.    yeast
  2.    escherichia
  3.    aspergillus
  4.    arthrobacter
 Discuss Question
Answer: Option D. -> arthrobacter
Answer: (d).arthrobacter
Question 46. ___________ is produced by using immobilized Escherichia coli in batch or semi-continuous STR or PBR.
  1.    Penicillin
  2.    Ampicillin
  3.    L-aspartic acid
  4.    Urocanic acid
 Discuss Question
Answer: Option A. -> Penicillin
Answer: (a).Penicillin
Question 47. _____________ may be obtained from immobilizing Escherichia coli on a cyanogen bromide-activated Sephadex G200 support.
  1.    Raffinase
  2.    Lactase
  3.    Penicillin amidases
  4.    Aminoacyclase
 Discuss Question
Answer: Option C. -> Penicillin amidases
Answer: (c).Penicillin amidases
Question 48. Penicillin is produced from _____________
  1.    aminoacyclases
  2.    lactases
  3.    penicillin amidases
  4.    aspartase
 Discuss Question
Answer: Option C. -> penicillin amidases
Answer: (c).penicillin amidases
Question 49. Penicillin amidases are used in the production of different kinds of penicillins.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 50. What does ‘Y’ represent in the following reaction?
HCN + 2H₂O \(\underset{Y}{\rightarrow}\) HCOO⁻ + NH₄⁺
  1.    Cyanidase
  2.    L-aspartic acid
  3.    Penicillin
  4.    Nitrilase
 Discuss Question
Answer: Option A. -> Cyanidase
Answer: (a).Cyanidase

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