MILK AND MILK PRODUCTS QUIZ

Oospora Crustacea

none of these

Oospora caseovorans

Oospora aurianticum

Lactobacillus bulgaricus

None of these

Streptococcus thermophilics

Lactobacillus acidophilus

gas forming, aerobic spore formers

gas forming, anaerobic spore formers

none of these

both (a) and (b)

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

yellow color in milk

S. marcescens

both (a) and (b)

Pseudomonas putrefaciens

the enzymatic oxidation of tyrosine by P. fluorescens

acid flavor

burnt or caramel flavor

none of these

bitter flavor

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

P. mephitica

Aeromonas hydrophila

P. fragi

Pseudomonas synxantha

both (a) and (b)

Pseudomonas syncyanea

Pseudomonas synxantha

S. marcescens

worse at the bottom of the milk

all of these

worse at the middle of the milk

worse near the top of the milk