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Home ‣ Biotechnology ‣ Beer and Wine Comments
  • Question

  • Fining a wine is defined as


  • Options
  • A. adding one substance to remove another
  • B. removing small particles
  • C. adding acid
  • D. removing tannin

  • Correct Answer
  • adding one substance to remove another 

    • Beer and Wine problems

    Search Results

    • 1. Sherry is a type of

    • Options
    • A. wine
    • B. beer
    • C. brandy
    • D. none of these
      • Discuss
    • 2. Malolactic fermentation

    • Options
    • A. produces lactic acid
    • B. reduces total acidity
    • C. produces diacetyl
    • D. all of these
      • Discuss
    • 3. Punching down is done

    • Options
    • A. for the same reasons as pumping over
    • B. to extract tannin
    • C. both (a) and (b)
    • D. to keep the cap dry
      • Discuss
    • 4. What temperature is maintained during anaerobic fermentation of red wine?

    • Options
    • A. 20-24 °C
    • B. 24-27 °C
    • C. 27-31 °C
    • D. 31-34 °C
      • Discuss
    • 5. The yeast generated during the fermentation of beer is generally separated by

    • Options
    • A. centrifugation
    • B. filtration
    • C. cell disruption
    • D. all of these
      • Discuss
    • 6. Wine yeast

    • Options
    • A. is sensitive to sulphur di oxide
    • B. is resistant to sulphur di oxide
    • C. shows enhanced enzyme production in presence of sulphur di oxide
    • D. none of the above
      • Discuss
    • 7. A hydrometer

    • Options
    • A. measures wine acid
    • B. requires a few drops of juice
    • C. measures alcohol in the wine
    • D. measures grape sugar
      • Discuss
    • 8. The organism used for the preparation of sonti is

    • Options
    • A. Rhizopus sonti
    • B. Aspergillus oryzae
    • C. Lactobacillus vermiformis
    • D. Saccharomyces pyriformis
      • Discuss
    • 9. At normal pH, penicillin remains in

    • Options
    • A. aqueous phase
    • B. solvent phase
    • C. both (a) and (b)
    • D. precipitates
      • Discuss
    • 10. Fermentation medium for oxytetracyclin (terramycin) consist of

    • Options
    • A. CSL, starch, (NH4)2 SO4, sodium chloride and CaCO3
    • B. CSL, (NH4)2 SO4, sodium chloride and CaCO3
    • C. CSL, starch,(NH4)2 SO4, ammonium chloride and CaCO3
    • D. CSL,(NH4)2 SO4, ammonium chloride and CaCO3
      • Discuss

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