MILK AND MILK PRODUCTS QUIZ

worse at the middle of the milk

worse at the bottom of the milk

worse near the top of the milk

all of these

Pseudomonas syncyanea

Aeromonas hydrophila

none of these

Pseudomonas synxantha

gas forming, aerobic spore formers

none of these

both (a) and (b)

gas forming, anaerobic spore formers

None of these

Lactobacillus acidophilus

Lactobacillus bulgaricus

Streptococcus thermophilics

none of these

putridity

both (a) and (b)

rabbito

Clostridium tyrobutyricum

Clostridium herbarum

None of these

Clostridium sporogenes

All of these

stringiness due to thin films of casein or lactalbumin during cooling

sliminess resulting from the thickness of the cream

stringiness caused by mastitis and in particular by fibrin and leucocytes from the cow's blood.

S. cremoris

Streptococcus lactis

Streptococcus thermophilus

Lactobacillus bulgaricus

Lactobacillus bulgaricus

mixed culture of (a) and (b)

S. cremoris

Streptococcus thermophilus

slimy capsular material from the cells usually gums or mucins

All of these

slimy capsular material from the cells usually proteins

slimy capsular material from the cells usually lipids