MILK AND MILK PRODUCTS QUIZ

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

none of these

both (a) and (b)

putridity

rabbito

TRUE ANSWER : ?
YOUR ANSWER : ?

Certain strains of Streptococcus lactis var. maltigenes may produce

none of these

bitter flavor

burnt or caramel flavor

acid flavor

TRUE ANSWER : ?
YOUR ANSWER : ?

Bacterial ropiness in milk is caused by

slimy capsular material from the cells usually proteins

slimy capsular material from the cells usually lipids

slimy capsular material from the cells usually gums or mucins

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Lactobacillus bulgaricus

Streptococcus thermophilics

None of these

Lactobacillus acidophilus

TRUE ANSWER : ?
YOUR ANSWER : ?

Esters like flavors in butter are resulted from the action of

Aeromonas hydrophila

Pseudomonas synxantha

P. mephitica

P. fragi

TRUE ANSWER : ?
YOUR ANSWER : ?

Ropiness caused by Enterobacter usually is

worse at the middle of the milk

worse at the bottom of the milk

worse near the top of the milk

all of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The chief type of spoilage in sweetened condensed milk may be

All of these

gas formation by sucrose fermenting yeasts

mold colonies growing on the surface

thickening caused by micrococci

TRUE ANSWER : ?
YOUR ANSWER : ?

Pseudomonas nigrifaciens in mildly salted butter may cause

greenish areas

black smudge

none of these

pink color

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 sporogenes

None of these

Clostridium herbarum

TRUE ANSWER : ?
YOUR ANSWER : ?

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

both (a) and (b)

Pseudomonas syncyanea

S. marcescens

Pseudomonas synxantha

TRUE ANSWER : ?
YOUR ANSWER : ?

↑