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Home Microbiology Industrially Useful Microbial Processes Comments

  • Question
  • The man who first discovered the chemical that causes souring of milk was


  • Options
  • A. Pasteur
  • B. Scheele
  • C. Watson
  • D. Ronald Ross

  • Correct Answer
  • Scheele 


  • Industrially Useful Microbial Processes problems


    Search Results


    • 1. Neomycin-B is obtained from

    • Options
    • A. Streptomyces niveus
    • B. Streptomyces fradiae
    • C. Streptomyces spheroides
    • D. Streptomyces griseus
    • Discuss
    • 2. Amyloglucosidase is used in glucose production. It is produced by

    • Options
    • A. Rhizopus niveus
    • B. Endomycopsis fibuliger
    • C. Sclerotina libertina
    • D. both (a) and (b)
    • Discuss
    • 3. Who was the first scientist to observe the antibiotic and therapeutic properties of penicillin?

    • Options
    • A. Louis Pasteur
    • B. Alexander Fleming
    • C. S. C. Prescott
    • D. E. P. Abraham
    • Discuss
    • 4. The method used for obtaining citric acid as fermentation product are commonly known as

    • Options
    • A. submerged aerated fermentation
    • B. stationary tray fermentation
    • C. both (a) and (b)
    • D. none of these
    • Discuss
    • 5. Commercial scale production of amino acids is typically carried out using

    • Options
    • A. regulatory mutants to cause overproduction of biochemical intermediates
    • B. creation of an intentional increase in membrane permeability to increase release of the amino acids
    • C. both (a) and (b)
    • D. none of the above
    • Discuss
    • 6. Glucoseoxidase, which had been commercially employed to remove glucose from egg white and whole eggs before drying is obtained by submerged aerated fermentation using

    • Options
    • A. A. niger
    • B. B. subtilis
    • C. B. cereus
    • D. A.flavus
    • Discuss
    • 7. The precursor of Penicillin G is

    • Options
    • A. phenoxy acetic acid
    • B. phenyl acetic acid
    • C. hydroxy phenyl acetic acid
    • D. none of these
    • Discuss
    • 8. Bacillus thuringiensis is useful as a bacterial

    • Options
    • A. source of antibiotics
    • B. producer of vitamins
    • C. herbicide
    • D. pesticide
    • Discuss
    • 9. Which of the following is not a penicillin?

    • Options
    • A. Penicillin G
    • B. Penicillin X
    • C. Penicillin V
    • D. Penicillin Y
    • Discuss
    • 10. The other name of invertase enzyme is

    • Options
    • A. sucrase
    • B. saccharase
    • C. isomerase
    • D. both (a) and (b)
    • Discuss


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