MILK AND MILK PRODUCTS QUIZ

A brown color in milk may result from

Pseudomonas putrefaciens

both (a) and (b)

the enzymatic oxidation of tyrosine by P. fluorescens

S. marcescens

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

Alcaligenes metalcaligenes

Pseudomonas

all of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Pseudomonas syncyanea produces a

bluish gray to brownish color in milk in its pure form

gray to brownish color in milk

yellow color in milk

brownish color to bluish gray in milk in its pure form

TRUE ANSWER : ?
YOUR ANSWER : ?

Surface taint in butter which is blamed on Pseudomonas putrefaciens is also called as

rabbito

none of these

putridity

both (a) and (b)

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

None of these

Lactobacillus bulgaricus

Lactobacillus acidophilus

TRUE ANSWER : ?
YOUR ANSWER : ?

Bulgarian butter milk is made with the help of

Lactobacillus bulgaricus

Streptococcus thermophilus

S. cremoris

Streptococcus lactis

TRUE ANSWER : ?
YOUR ANSWER : ?

Pseudomonas nigrifaciens in mildly salted butter may cause

greenish areas

pink color

black smudge

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following species of Clostridium is responsible for formation of dark green to black colours in cheese?

Clostridium tyrobutyricum

Clostridium herbarum

Clostridium sporogenes

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Cheese cancer of Swiss and similar cheese is caused by

Oospora caseovorans

Oospora Crustacea

Oospora aurianticum

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Swelling of the can is caused primarily by

both (a) and (b)

gas forming, aerobic spore formers

gas forming, anaerobic spore formers

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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