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Home Microbiology Industrially Useful Microbial Processes Comments

  • Question
  • Which of the following is not a penicillin?


  • Options
  • A. Penicillin G
  • B. Penicillin X
  • C. Penicillin V
  • D. Penicillin Y

  • Correct Answer
  • Penicillin Y 


  • Industrially Useful Microbial Processes problems


    Search Results


    • 1. Bacillus thuringiensis is useful as a bacterial

    • Options
    • A. source of antibiotics
    • B. producer of vitamins
    • C. herbicide
    • D. pesticide
    • Discuss
    • 2. 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
    • 3. 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
    • 4. The man who first discovered the chemical that causes souring of milk was

    • Options
    • A. Pasteur
    • B. Scheele
    • C. Watson
    • D. Ronald Ross
    • Discuss
    • 5. Neomycin-B is obtained from

    • Options
    • A. Streptomyces niveus
    • B. Streptomyces fradiae
    • C. Streptomyces spheroides
    • D. Streptomyces griseus
    • Discuss
    • 6. The other name of invertase enzyme is

    • Options
    • A. sucrase
    • B. saccharase
    • C. isomerase
    • D. both (a) and (b)
    • Discuss
    • 7. The first commercial fermention carried out to obtain L-lysine is known as

    • Options
    • A. dual fermentation
    • B. indirect fermentation
    • C. direct fermentation
    • D. both (a) and (b)
    • Discuss
    • 8. Which of the following organism is utilized to obtain commercial L-lysine by direct method?

    • Options
    • A. Micrococcus glutamicus
    • B. Mutated strain of Micrococcus glutamicus
    • C. Brevibacterium aminogenes
    • D. Mutated strain of Brevibacterium aminogenes
    • Discuss
    • 9. Penicillin was first produced commercially using

    • Options
    • A. stationary mat culture
    • B. deep tank aerated fermentations
    • C. continuous fermentation
    • D. none of the above
    • Discuss
    • 10. Malt used to ferment beer is prepared by

    • Options
    • A. roasting barley
    • B. washing the barley with water and drying it in air
    • C. soaking barley in water followed by germination and drying
    • D. treating barley with bovine amylase followed by roasting
    • Discuss


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