WINE AND BEER QUIZ

Most important species of vinegar bacteria causing sliminess is

Acetobacter aceti

Saccharomyces carlsbergiensis

Lactobacillus lactis

None of these

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YOUR ANSWER : ?

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

Weiss beer

Stout

Pilsener

Porterr

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

None of these

both (a) and (b)

acid formation from sugars, glucose and fructose

acid formation from aldehyde and ketones

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Parsnip like odour and taste in beer is caused by

Flavobacterium proteus

S. carlsbergensis

Zygomonas anaeroium

Lactobacillus patorianus

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If the mash in the brewhouse is held too long it may undergo

lactic acid fermentation

citric acid fermentation

butyric acid fermentation

both (a) and (b)

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S. patorianns can cause

ester like taste in beer

bitter taste

cloudiness in beer

stringent taste in beer

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Heavy, thick, slimy film of bacteria in the slow process of vinegar manufacture reduces

the rate of purification

the rate of hydrogenation

the rate of acetification

the rate of esterification

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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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A special beer yeast of the bottom type is

none of these

S. thermophillus

S. carlsbergensis

S. cerevisiae

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Sarcina sickness of beer is caused by

Pedicoccus cerevisiae

Saccharomyces cerevisiae

S. carlsbergensis

Zygomonas anaeroium

TRUE ANSWER : ?
YOUR ANSWER : ?

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