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Food Pathogens and Temperature

View the animation below, then complete the quiz to test your knowledge of the concept.






1The main environmental factors that affect microorganism growth include chemical inhibitors, oxygen, pH, nutrients, moisture and
A)food texture.
B)time.
C)temperature.
D)cleaning agents.



2With ideal environmental factors, the reproduction rate of bacteria is
A)extremely slow.
B)somewhat slow.
C)somewhat rapid.
D)extremely rapid.



3What is the most important environmental factor influencing bacterial growth?
A)food texture
B)time
C)temperature
D)cleaning agents



4Above 100° C (212°F) most bacteria
A)are destroyed.
B)stop growing, but are not dead.
C)are not affected by the heat.
D)grow rapidly.



5At freezing temperatures, most bacteria
A)are destroyed.
B)stop growing, but are not dead.
C)are not affected by the cold.
D)grow rapidly.







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