WINE AND BEER QUIZ

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

amertume

none of these

mannitic

mannkic

TRUE ANSWER : ?
YOUR ANSWER : ?

Parsnip like odour and taste in beer is caused by

Flavobacterium proteus

Lactobacillus patorianus

Zygomonas anaeroium

S. carlsbergensis

TRUE ANSWER : ?
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The micro-organisms causing wine spoilage are

all of these

moulds

bacteria

wild yeast

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Weiss beer

Porterr

Pilsener

Stout

TRUE ANSWER : ?
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The Sarcina sickness of beer, caused by Pedicoccus cerevisiae, is characterized by

sourness

popiness

all of these

turbidity

TRUE ANSWER : ?
YOUR ANSWER : ?

S. patorianns can cause

ester like taste in beer

bitter taste

stringent taste in beer

cloudiness in beer

TRUE ANSWER : ?
YOUR ANSWER : ?

The potential spoilage organism in beer is

S. carlsbergensis

Saccharomyces diastaticus

S. cerevisiae

S. lactis

TRUE ANSWER : ?
YOUR ANSWER : ?

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

butyric acid fermentation

lactic acid fermentation

both (a) and (b)

citric acid fermentation

TRUE ANSWER : ?
YOUR ANSWER : ?

Most important species of vinegar bacteria causing sliminess is

None of these

Lactobacillus lactis

Acetobacter aceti

Saccharomyces carlsbergiensis

TRUE ANSWER : ?
YOUR ANSWER : ?

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

the rate of esterification

the rate of acetification

the rate of purification

the rate of hydrogenation

TRUE ANSWER : ?
YOUR ANSWER : ?

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