POLYMERASE CHAIN REACTION QUIZ

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

butyric acid fermentation

citric acid fermentation

lactic acid fermentation

both (a) and (b)

TRUE ANSWER : ?
YOUR ANSWER : ?

S. patorianns can cause

stringent taste in beer

bitter taste

cloudiness in beer

ester like taste in beer

TRUE ANSWER : ?
YOUR ANSWER : ?

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

all of these

turbidity

sourness

popiness

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Saccharomyces carlsbergenesis

Saccharomyces cerevisiae

Pedicoccus cerevisiae

Bacillus subtilis

TRUE ANSWER : ?
YOUR ANSWER : ?

Sarcina sickness of beer is caused by

Zygomonas anaeroium

S. carlsbergensis

Saccharomyces cerevisiae

Pedicoccus cerevisiae

TRUE ANSWER : ?
YOUR ANSWER : ?

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

the rate of acetification

the rate of hydrogenation

the rate of purification

the rate of esterification

TRUE ANSWER : ?
YOUR ANSWER : ?

The micro-organisms causing wine spoilage are

moulds

wild yeast

all of these

bacteria

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Stout

Porterr

Pilsener

Weiss beer

TRUE ANSWER : ?
YOUR ANSWER : ?

The potential spoilage organism in beer is

S. carlsbergensis

Saccharomyces diastaticus

S. lactis

S. cerevisiae

TRUE ANSWER : ?
YOUR ANSWER : ?

Gassiness resulting from the liberation of carbon dioxide by hetero fermentative lactics is called

pousse

none of these

amertume

mannitic

TRUE ANSWER : ?
YOUR ANSWER : ?

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