CONTROL SYSTEMS QUIZ

A yellow color in the creamy layer of milk may be caused by

both (a) and (b)

S. marcescens

Pseudomonas syncyanea

Pseudomonas synxantha

TRUE ANSWER : ?
YOUR ANSWER : ?

Swelling of the can is caused primarily by

gas forming, aerobic spore formers

none of these

gas forming, anaerobic spore formers

both (a) and (b)

TRUE ANSWER : ?
YOUR ANSWER : ?

Certain strains of Streptococcus lactis var. maltigenes may produce

acid flavor

burnt or caramel flavor

none of these

bitter flavor

TRUE ANSWER : ?
YOUR ANSWER : ?

Bacterial ropiness in milk is caused by

slimy capsular material from the cells usually gums or mucins

slimy capsular material from the cells usually lipids

All of these

slimy capsular material from the cells usually proteins

TRUE ANSWER : ?
YOUR ANSWER : ?

Cheese with too low an acidity because of the addition of cream or the failure of the starter often is made gelatinous or slimy by

P. fragi

all of these

Alcaligenes metalcaligenes

Pseudomonas

TRUE ANSWER : ?
YOUR ANSWER : ?

Acidophilus milk which is used for its therapeutic properties in intestinal disorders requires for its manufacture a pure culture of

Streptococcus thermophilics

Lactobacillus bulgaricus

Lactobacillus acidophilus

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The chief type of spoilage in sweetened condensed milk may be

mold colonies growing on the surface

All of these

thickening caused by micrococci

gas formation by sucrose fermenting yeasts

TRUE ANSWER : ?
YOUR ANSWER : ?

An alkaline reaction in milk is caused by the alkali formers bacteria as

Pseudomonas fluorescens

none of these

both (a) and (b)

A. viscolactis

TRUE ANSWER : ?
YOUR ANSWER : ?

Cheese cancer of Swiss and similar cheese is caused by

none of these

Oospora aurianticum

Oospora Crustacea

Oospora caseovorans

TRUE ANSWER : ?
YOUR ANSWER : ?

The yoghurt is made from

S. cremoris

Streptococcus thermophilus

mixed culture of (a) and (b)

Lactobacillus bulgaricus

TRUE ANSWER : ?
YOUR ANSWER : ?

↑