logo

CuriousTab

CuriousTab

Discussion


Home Microbiology Industrially Useful Microbial Processes Comments

  • Question
  • The sugar concentration of molasses used in fermentation should be


  • Options
  • A. 10-18%
  • B. 20-30%
  • C. 4-5%
  • D. 30-38%

  • Correct Answer
  • 10-18% 


  • Industrially Useful Microbial Processes problems


    Search Results


    • 1. The species of Acetobacter which produces cellulosic strands to hold the cells in lime layer is

    • Options
    • A. Acetobacter curvum
    • B. Accetobacter orleanense
    • C. Acetobacter xylinum
    • D. Acetobacter schuetzenbachii
    • Discuss
    • 2. Which of the following is correct?

    • Options
    • A. A Winogradsky column is used to filter out microorganisms from a water sample taken from a deep black smoker
    • B. A Winogradsky column is used to demonstrate interactions and gradients that occur in aquatic environments
    • C. Both (a) and (b)
    • D. A Winogradsky column is used to filter out microorganisms from non-aquatic environments
    • Discuss
    • 3. The Redfield ratio is an index of concentration of

    • Options
    • A. carbon, hydrogen and oxygen
    • B. nitrogen, potassium and iron
    • C. carbon, nitrogen and phosphorous
    • D. carbon, phosphorous and sulfur
    • Discuss
    • 4. Members of all of the following genera of bacteria typically are found in a maturing Winogradsky column except

    • Options
    • A. Clostridium
    • B. Rhodospirillum
    • C. Chlorobium
    • D. Escherichia
    • Discuss
    • 5. Which of the following species in water reveal the presence of fecal pollution of human or animal origin?

    • Options
    • A. E.coli
    • B. Fecal Streptococci
    • C. Clostridium perfringens
    • D. All of these
    • Discuss
    • 6. Which of the following agents involve biosensors linking with electronic circuit?

    • Options
    • A. Microorganisms
    • B. Microbially derived enzymes
    • C. Either microorganisms or microbially derived enzymes
    • D. Neither microorganisms nor microbially derived enzymes
    • Discuss
    • 7. Which of the following organism is utilized for the production of D-L-alanine?

    • Options
    • A. Microbacterium ammoniaphilum
    • B. Brevibacterium flavum
    • C. Arthrobacter paraffineus
    • D. C. glutamicum
    • Discuss
    • 8. The organism B. brevis can be used commercially for the production of

    • Options
    • A. gramicidin A
    • B. tyrothricin(bacitracin tyrocidin complex)
    • C. tyrocidin
    • D. all of the above
    • Discuss
    • 9. The organism which utilizes the pentose of sulphite waste liquor for lactic acid production is

    • Options
    • A. Streptococcus lactis
    • B. Lactobacillus bulgaricus
    • C. Lactobacillus casei
    • D. Lactobacillus pentosus
    • Discuss
    • 10. During fermentation, pyruvic acid is converted into organic products such as

    • Options
    • A. glucose and fructose
    • B. starch and cellulose
    • C. ethyl alcohol and lactic acid
    • D. citric acid and isocitric acid
    • Discuss


    Comments

    There are no comments.

Enter a new Comment