Deck 8: Food Deterioration

Question 1

Food-borne disease is caused when microorganisms present in food causes an infection in the human who consumes the food.

Answer 1

True

Question 2

Rigor mortis is an essential process in the conversion of live muscle to meat.

Answer 2

True

Question 3

Only infant formula and a few other foods are required by federal law to be labeled with an expiration date.

Answer 3

True

Question 4

Much of today's harvesting is accomplished by ​mechanical methods because fruits and vegetables are delicate items and must reach maturity before harvesting.

Question 5

Bacteria or molds that require atmospheric oxygen are ____.

A)anaerobic
B)aerobic
C)mesophilic
D)thermophilic

Question 6

_____ containing ethylene gas are an important part of the processing of certain fresh fruits and vegetables.

A)Humidity chambers
B)Jet streams
C)Chemical reactors
D)Ripening chambers

Question 7

Food manufacturers put code dates on their products and one of these code dates is the harvested date.

Question 8

​​As foods become more acidic,the heat required for sterilization is reduced so corn requires _____ minutes at 226 degrees F and pears _____ minutes at the same temperature to destroy C.botulinum.

A)12,8
B)15,5
C)8,12
D)5,15

Question 9

_____ are single-celled organisms occurring in three shapes.

A)Yeasts
B)Molds
C)Fungi
D)Bacteria

Question 10

____ can destroy the microorganisms and inactivate enzymes.

A)Radiation
B)Cooling
C)Drying
D)Freezing

Question 11

Microbial growth slows at temperatures under ____ºF.

A)80
B)70
C)60
D)50

Question 12

Microbes that prefer hot temperatures are called thermophilic and those that prefer normal temperatures are called mesophilic.

Question 13

Life forms in the fungus kingdom,such as molds,mushrooms,and yeasts,are in the plant family.

Question 14

Adding carbon dioxide or nitrogen to the storage atmosphere would increase deterioration.

Question 15

Most bacteria are killed at ____º to ____ºF,but spores are not.

A)150,175
B)180,200
C)160,200
D)175,200

Question 16

Smoke contains formaldehyde and other preservatives so adding smoke helps reduce microbial populations.

Question 17

_____ are the largest of the microorganisms but are still single cells,and some produce spores.

A)Yeast
B)Bacteria
C)Molds
D)Ameba

Question 18

Microbes that prefer cold temperatures are ____.

A)mesophilic
B)thermophilic
C)psychrophilic
D)obligative

Question 19

Because product dates are a guide to the safe use of products,the consumer knows exactly how long a product can be stored and still be used when the food is at peak quality.

Question 20

The term _____ refers to the last date a food should be eaten or used.

A)best if used by date
B)sell by date
C)expiration date
D)use by date