THEORY OF MACHINE QUIZ

A special beer yeast of the bottom type is

S. thermophillus

S. cerevisiae

S. carlsbergensis

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

both (a) and (b)

None of these

acid formation from sugars, glucose and fructose

acid formation from aldehyde and ketones

TRUE ANSWER : ?
YOUR ANSWER : ?

The potential spoilage organism in beer is

S. lactis

Saccharomyces diastaticus

S. cerevisiae

S. carlsbergensis

TRUE ANSWER : ?
YOUR ANSWER : ?

Sarcina sickness of beer is caused by

Zygomonas anaeroium

S. carlsbergensis

Saccharomyces cerevisiae

Pedicoccus cerevisiae

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following beer is of Japanese origin with an alcohol content of 14 to 17%?

Pulpue

Sonti

Lager

Sake

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Weiss beer

Stout

Pilsener

Porterr

TRUE ANSWER : ?
YOUR ANSWER : ?

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 : ?

Acetic acid bacteria spoiling musts and wines are inhibited by

24-25% alcohol by volume

14-15% alcohol by volume

5-7% alcohol by volume

30-35% alcohol by volume

TRUE ANSWER : ?
YOUR ANSWER : ?

The micro-organisms causing wine spoilage are

moulds

wild yeast

bacteria

all of these

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YOUR ANSWER : ?

Most important species of vinegar bacteria causing sliminess is

Lactobacillus lactis

None of these

Saccharomyces carlsbergiensis

Acetobacter aceti

TRUE ANSWER : ?
YOUR ANSWER : ?

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