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Home Microbiology Wine and Beer Comments

  • Question
  • Parsnip like odour and taste in beer is caused by


  • Options
  • A. Flavobacterium proteus
  • B. Zygomonas anaeroium
  • C. Lactobacillus patorianus
  • D. S. carlsbergensis

  • Correct Answer
  • Flavobacterium proteus 


  • Wine and Beer problems


    Search Results


    • 1. S. patorianns can cause

    • Options
    • A. cloudiness in beer
    • B. ester like taste in beer
    • C. stringent taste in beer
    • D. bitter taste
    • Discuss
    • 2. The crushed grapes used for wine manufacturing are also known as

    • Options
    • A. wort
    • B. must
    • C. hop
    • D. pilsener
    • Discuss
    • 3. When the fermentation of fructose results in the bitter product mannitol, the fermentation is sometime termed as-

    • Options
    • A. mannkic
    • B. mannitic
    • C. amertume
    • D. none of these
    • Discuss
    • 4. A special beer yeast of the bottom type is

    • Options
    • A. S. cerevisiae
    • B. S. carlsbergensis
    • C. S. thermophillus
    • D. none of these
    • Discuss
    • 5. Gassiness resulting from the liberation of carbon dioxide by hetero fermentative lactics is called

    • Options
    • A. pousse
    • B. amertume
    • C. mannitic
    • D. none of these
    • Discuss
    • 6. Which of the following beer is of Japanese origin with an alcohol content of 14 to 17%?

    • Options
    • A. Sake
    • B. Pulpue
    • C. Sonti
    • D. Lager
    • Discuss
    • 7. The Sarcina sickness of beer, caused by Pedicoccus cerevisiae, is characterized by

    • Options
    • A. sourness
    • B. turbidity
    • C. popiness
    • D. all of these
    • Discuss
    • 8. The potential spoilage organism in beer is

    • Options
    • A. Saccharomyces diastaticus
    • B. S. carlsbergensis
    • C. S. cerevisiae
    • D. S. lactis
    • Discuss
    • 9. Most important species of vinegar bacteria causing sliminess is

    • Options
    • A. Acetobacter aceti
    • B. Saccharomyces carlsbergiensis
    • C. Lactobacillus lactis
    • D. None of the above
    • Discuss
    • 10. If the mash in the brewhouse is held too long it may undergo

    • Options
    • A. butyric acid fermentation
    • B. lactic acid fermentation
    • C. both (a) and (b)
    • D. citric acid fermentation
    • Discuss


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