Ch. 5 - Bacteria and their Effect on Humans

Question 1

Which of the following bacteria cause spoilage of food?

Answer 1

Undesirable bacteria

Question 2

Which of the following would provide favorable growth conditions for bacteria?

Answer 2

Cooked pork stored at 80 °F

Question 3

At what temperature is rapid growth of pathogenic bacteria possible?

Answer 3

65 degrees

Question 4

In which of the following foods bacteria may grow rapidly?

Answer 4

Low acid and neutral foods

Question 5

What type of bacteria grows best at temperatures between 50°-110°F?

Answer 5

Mesophilic bacteria

Question 6

It may be necessary to remove foods from refrigeration during preparation and seasoning of foods. This process:

Answer 6

Must be done as rapidly as possible

Question 7

Which of the following is true regarding water activity level?

Answer 7

Water activity is a measure of the available water in the food for biological activity

Question 8

Which of the following statements regarding bacteria is true?

Answer 8

Pathogenic bacteria cause disease in man

Question 9

Which of the following foods would likely be the most shelf stable?

Answer 9

Instant coffee

Question 10

Which of the following food is the least shelf stable?

Answer 10

Fresh meats

Question 11

Under favorable conditions bacteria can double their population:

Answer 11

Every 20 to 30 minutes.