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MCQs

Total Questions : 31 | Page 2 of 4 pages
Question 11. . Milk digestibility is improved by using
  1.    RNase
  2.    lactase
  3.    β-amylase
  4.    none of these
 Discuss Question
Answer: Option B. -> lactase
Question 12. . Which of the following mainly serve to convert starch into high fructose corn syrup (HFCS)?
  1.    α-amylase
  2.    Gluco-isomerase
  3.    Gluco-amylase
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Question 13. .  Lysozyme
  1.    catalyses hydrolysis of β-1-4 linkages between N-acetyl muranic acid and N-acetyl glucosamine in peptideoglycan
  2.    catalyses hydrolysis of α-1-4 linkages between N-acetyl muranic acid and N-acetyl glucosamine in peptideoglycan
  3.    catalyses hydrolysis of α-1-4 linkages between N-diacetyl muranic acid and N-diacetyl glucosamine in peptideoglycan
  4.    all of the above
 Discuss Question
Answer: Option A. -> catalyses hydrolysis of β-1-4 linkages between N-acetyl muranic acid and N-acetyl glucosamine in peptideoglycan
Question 14. . Hersperidinase is used for
  1.    juice clarification
  2.    juice debittering
  3.    off flavour reduction
  4.    RNA reduction in fish
 Discuss Question
Answer: Option A. -> juice clarification
Question 15. . Which of the following metallic ion is there in ascorbic acid oxidase?
  1.    Mg
  2.    Fe
  3.    Cu
  4.    Mn
 Discuss Question
Answer: Option C. -> Cu
Question 16. . Which of the enzyme combination is commercially used for the removal of oxygen?
  1.    A. Glucose oxidase-cellulase
  2.    Glucose oxidase-catalase
  3.    Glucose oxidase-lactase
  4.    All of these
 Discuss Question
Answer: Option B. -> Glucose oxidase-catalase
Question 17. . The enzyme used to reduce bitterness of grapes commonly contains
  1.    α-L-rhamonosidase
  2.    β-d-glucosidase
  3.    β- galactosidase
  4.    both (a) and (b)
 Discuss Question
Answer: Option D. -> both (a) and (b)
Question 18. . Citrus juice debittering can be carried out using
  1.    limoninase
  2.    inulinase
  3.    anthocyanase
  4.    None of these
 Discuss Question
Answer: Option A. -> limoninase
Question 19. . Which of the following enzyme is responsible for causing vitamin B deficiency disease beriberi?
  1.    Ascorbic acid oxidase
  2.    Thiaminase
  3.    Lipoxygenase
  4.    None of these
 Discuss Question
Answer: Option B. -> Thiaminase
Question 20. . Soya off flavour removal may be achieved using
  1.    di acetyl reductase
  2.    β- amylase
  3.    aldehyde oxidase
  4.    protease
 Discuss Question
Answer: Option C. -> aldehyde oxidase

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