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Home Biochemical Engineering Enzymes and Application Comments

  • Question
  • Which of the following enzyme is responsible for causing vitamin B deficiency disease beriberi?


  • Options
  • A. Ascorbic acid oxidase
  • B. Thiaminase
  • C. Lipoxygenase
  • D. None of these

  • Correct Answer
  • Thiaminase 


  • Enzymes and Application problems


    Search Results


    • 1. Which of the enzyme combination is commercially used for the removal of oxygen?

    • Options
    • A. Glucose oxidase-cellulase
    • B. Glucose oxidase-catalase
    • C. Glucose oxidase-lactase
    • D. All of these
    • Discuss
    • 2. Discoloration can be achieved by using

    • Options
    • A. sulphloydryl oxidase
    • B. proteases
    • C. anthocyanase
    • D. all of these
    • Discuss
    • 3. The enzyme ?-galactosidase is also known as

    • Options
    • A. lactase
    • B. EC3.2.1.23
    • C. both (a) and (b)
    • D. isomerase
    • Discuss
    • 4. Which is true about rennet?

    • Options
    • A. It is a mixture of protease chymosin and pepsin
    • B. It is a mixture of rennin and pepsin
    • C. Both (a) and (b)
    • D. none of the above
    • Discuss
    • 5. Sulphydryl oxidase is used for

    • Options
    • A. discoloration
    • B. clarification of images
    • C. UHT milk off flavour removal
    • D. all of these
    • Discuss
    • 6. Juice clarification extraction is facilitated by using

    • Options
    • A. cellulases
    • B. amylase
    • C. inulinase
    • D. lactase
    • Discuss
    • 7. Which of the following metallic ion is there in ascorbic acid oxidase?

    • Options
    • A. Mg
    • B. Fe
    • C. Cu
    • D. Mn
    • Discuss
    • 8. Lysozyme is naturally present in

    • Options
    • A. egg white
    • B. bacteria
    • C. tears & milk
    • D. all of these
    • Discuss
    • 9. Milk digestibility is improved by using

    • Options
    • A. RNase
    • B. lactase
    • C. ?-amylase
    • D. none of these
    • Discuss
    • 10. Enzymes act as antimicrobials

    • Options
    • A. by depriving an organism of a necessary metabolite
    • B. by generating a substances toxic to the organism
    • C. by attracting a cell wall component
    • D. all of the above
    • Discuss


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