MILK AND MILK PRODUCTS QUIZ

None of these

Streptococcus thermophilics

Lactobacillus bulgaricus

Lactobacillus acidophilus

worse at the bottom of the milk

worse near the top of the milk

worse at the middle of the milk

all of these

slimy capsular material from the cells usually lipids

All of these

slimy capsular material from the cells usually proteins

slimy capsular material from the cells usually gums or mucins

yellow color in milk

brownish color to bluish gray in milk in its pure form

gray to brownish color in milk

bluish gray to brownish color in milk in its pure form

gas forming, aerobic spore formers

none of these

gas forming, anaerobic spore formers

both (a) and (b)

gas formation by sucrose fermenting yeasts

thickening caused by micrococci

mold colonies growing on the surface

All of these

S. marcescens

both (a) and (b)

Pseudomonas putrefaciens

the enzymatic oxidation of tyrosine by P. fluorescens

None of these

Clostridium tyrobutyricum

Clostridium sporogenes

Clostridium herbarum

Streptococcus lactis

Streptococcus thermophilus

Lactobacillus bulgaricus

S. cremoris

mixed culture of (a) and (b)

Lactobacillus bulgaricus

S. cremoris

Streptococcus thermophilus