Microbiology of Foods
The microbiological examination of coliform bacteria in foods preferably use

violet Red Bile agar
eosine Methylene blue agar
MacConkey broth
all of these

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Microbiology of Foods
Which of the following is not true for the thermal resistance of the bacterial cells?

Cocci are usually more resistant than rods
Cells low in lipid content are harder to kill than other cells
Higher the optimal and maximal temperatures for growth, higher the resistance
Bacteria that clump considerably or form capsules are difficult to kill

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Microbiology of Foods
Plate count of bacteria in foods generally use the plating medium consisting of

yeast extract, glucose, sodium chloride, agar and distilled water
peptone, glucose, sodium chloride, agar and distilled water
peptone, yeast extract, glucose, sodium chloride, agar and distilled water
peptone, yeast extract, glucose, sodium chloride and distilled water

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