WINE AND BEER QUIZ

The fermentation of wine can be carried out using the strains of

Pedicoccus cerevisiae

Saccharomyces cerevisiae

Saccharomyces carlsbergenesis

Bacillus subtilis

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The Sarcina sickness of beer, caused by Pedicoccus cerevisiae, is characterized by

turbidity

popiness

sourness

all of these

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When the fermentation of fructose results in the bitter product mannitol, the fermentation is sometime termed as-

mannitic

amertume

none of these

mannkic

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Parsnip like odour and taste in beer is caused by

Lactobacillus patorianus

Zygomonas anaeroium

Flavobacterium proteus

S. carlsbergensis

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The spoilage most commonly occurring in wine is tourne which refers to

acid formation from sugars, glucose and fructose

acid formation from aldehyde and ketones

both (a) and (b)

None of these

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Which of the following is not an ale type of beer?

Porterr

Weiss beer

Stout

Pilsener

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A special beer yeast of the bottom type is

S. carlsbergensis

S. cerevisiae

none of these

S. thermophillus

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Acetic acid bacteria spoiling musts and wines are inhibited by

30-35% alcohol by volume

5-7% alcohol by volume

24-25% alcohol by volume

14-15% alcohol by volume

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The micro-organisms causing wine spoilage are

moulds

bacteria

all of these

wild yeast

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The potential spoilage organism in beer is

Saccharomyces diastaticus

S. lactis

S. cerevisiae

S. carlsbergensis

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