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Home Microbiology Industrially Useful Microbial Processes Comments

  • Question
  • Anaerobic bacteria undergoes butyric isopropyl fermentation in carbohydrates to yield


  • Options
  • A. glycol
  • B. butyric acid
  • C. acetic acid
  • D. all of these

  • Correct Answer
  • all of these 


  • Industrially Useful Microbial Processes problems


    Search Results


    • 1. Which of the following cephalosporin is more active than penicillin against various species of Salmonella?

    • Options
    • A. Cephalosporin N
    • B. Cephalosporin C
    • C. Synnematin
    • D. Both (a) and (c)
    • Discuss
    • 2. The organism commonly used for the production of ? carotene is/ are

    • Options
    • A. Phycomyces blakesleeanus
    • B. Cnoanephora cucurbitarum
    • C. Blakeslea trispora
    • D. all of these
    • Discuss
    • 3. The micro-organism used for industrial production of lactic acid using corn dextrose as media is

    • Options
    • A. Lactobacillus bulgaricus
    • B. Lactobacillus delbrueckii
    • C. Lactobacillus pentosus
    • D. Streptococcus lactis
    • Discuss
    • 4. The penicillin F which was produced at first, required the mold

    • Options
    • A. Penicillium chrysogenum
    • B. Pencillium notatum
    • C. Pencillium chrysogenum Q-176
    • D. none of the above
    • Discuss
    • 5. Invertase has its application in confectionaries to prevent crystallization of sugar. It is obtained from

    • Options
    • A. A. oryzae
    • B. A. niger
    • C. S. cerevisae
    • D. B. subtilis
    • Discuss
    • 6. The precursor used for production of vitamin B12 by Streptomyces olivaceus is

    • Options
    • A. cobalt chloride
    • B. cobalt sulphate
    • C. calcium chloride
    • D. calcium sulphate
    • Discuss
    • 7. In Corynebacterium glutamicum, tryptophan biosynthesis is regulated by the activity of

    • Options
    • A. DAHP synthetase
    • B. Anthranilate synthase
    • C. Both (a) and (b)
    • D. Phosphoenol pyruvate
    • Discuss
    • 8. The present day high yielding penicillin are obtained from

    • Options
    • A. Penicillium chrysogenum (NRRL, 1951)
    • B. Penicillium chrysogenum (Q-176)
    • C. Penicillium chrysogenum (Q-179)
    • D. none of the above
    • Discuss
    • 9. The organisum used for production of streptomycin is

    • Options
    • A. Streptomyces rimosus
    • B. Streptomyces griseus
    • C. Streptomyces aureofaciens
    • D. Streptomyces erythreus
    • Discuss
    • 10. "Vinegar mother" in Orleans process is

    • Options
    • A. inoculum of acetobacter bacteria used
    • B. considerable slime and film growth of Acetobacter bacteria on the surface of the alcoholic broth
    • C. cellulosic strands produced by Acetobacter bacteria to hold cells together
    • D. none of the above
    • Discuss


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