Enzymes in Sucrose Industry and Glucose from Cellulose MCQ

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• Which of the following is not present in commercial preparation from Trichoderma reesei?
  ক

  cellulase

  খ

  glucan 1,4-b-glucosidase

  গ

  invertase

  ঘ

  cellulose 1,4-b-cellobiosidase
• Cellulase is obtained from ___________
  ক

  Leuconostoc mesenteroides

  খ

  Saccharomyces cerevisiae

  গ

  Trichoderma reesei

  ঘ

  Bacillus acidopullulyticus
• In tropical rain forests, dead trees take several years to decay.
  ক

  True

  খ

  False
• Fungal dextranases is produced from __________ species.
  ক

  Yeast

  খ

  Penicillium

  গ

  Bacillus

  ঘ

  Aspergillus species
• Raffinose is hydrolyzed to galactose and sucrose by __________ enzyme.
  ক

  Raffinase

  খ

  Dextranase

  গ

  Invertase

  ঘ

  1,4-α-glucosidase
• Dextran may be produced by the action of __________ enzyme.
  ক

  Invertase

  খ

  Rennet

  গ

  Dextransucrase

  ঘ

  β – amylase
• Invertase finds its use in the production of confectionery with liquid or soft centers.
  ক

  True

  খ

  False
• Sucrose may be degraded by ____________ to produce glucose and fructose.
  ক

  Papain

  খ

  β – amylase

  গ

  1,4-α-glucosidase

  ঘ

  Invertase