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Home ‣ Microbiology ‣ Industrially Useful Microbial Processes Comments
  • Question

  • Species of the genus Streptomyces are known for


  • Options
  • A. the production of antibiotics
  • B. the production of beer
  • C. the production of cheese
  • D. nitrification

  • Correct Answer
  • the production of antibiotics 

    • Industrially Useful Microbial Processes problems

    Search Results

    • 1. A major organism used in commercial bioleaching for copper recovery is

    • Options
    • A. Desulfovibrio desulfuricans
    • B. Pseudomonas aeruginosa
    • C. Aspergillus niger
    • D. Thiobacillus ferrooxidans
      • Discuss
    • 2. Naringinase, an enzyme commonly used for removal of bitter taste from citrus juice is obtained from

    • Options
    • A. A. niger
    • B. A.flavus
    • C. A. oryzae
    • D. S. cerevisiae
      • Discuss
    • 3. The recovery of vitamin from fermentation broth is carried out prior to

    • Options
    • A. acidification
    • B. alcohol treatment
    • C. autolysis
    • D. none of these
      • Discuss
    • 4. Protease, which is used for flavouring of sake and haze removal in sake is produced by

    • Options
    • A. A. oryzae
    • B. A. flavus
    • C. B. cereus
    • D. A. niger
      • Discuss
    • 5. Rickes et al. recovered active crystalline vitamin B12 from the culture of

    • Options
    • A. Streptomyces griseus
    • B. Bacillus megaterium
    • C. Streptomyces olivaceus
    • D. Streptomyces lactis
      • Discuss
    • 6. Pectinase, an enzyme used for increasing yield and for clarifying juice is obtained by

    • Options
    • A. A. oryzae
    • B. A. niger
    • C. A.flavus
    • D. all of these
      • Discuss
    • 7. Which of the following microorganism produces only L(+) - lactic acid without further racemization?

    • Options
    • A. Leuconostoc mesenteroides
    • B. Lactobacillus delbrueckii
    • C. Rhizopus oryzae
    • D. Lactobacillus bulgaricus
      • Discuss
    • 8. Which of the following micro organism utilizes lactose as a carbon source in production of lactic acid from whey media?

    • Options
    • A. Lactobacillus bulgaricus
    • B. Lactobacillus delbrueckii
    • C. Lactobacillus pentosus
    • D. Leuconostoc mesenteroides
      • Discuss
    • 9. Fungal amylases using stationary culture with wheat bran utilizes

    • Options
    • A. A. oryzae
    • B. A. niger
    • C. A. flavus
    • D. S. cerevisiae
      • Discuss
    • 10. Chlorotetracycline a broad spectrum antibiotic is produced by

    • Options
    • A. Streptomyces aureofaciens
    • B. Streptomyces rimosus
    • C. Streptomyces venezuelae
    • D. Streptomyces erythreus
      • Discuss

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