Practice Quizzes

Chapter 14: Food Safety and Technology: Microbial Threats and Genetic Engineering

1: What is not a feared risk associated with genetically modified foods?
superweeds may develop
insects may carry genes resistant to new insecticides
new allergens may be introduced
humans may not be able to properly absorb nutrients from modified foods
2: Organic foods are grown or produced without synthetic pesticides and without synthetic fertilizer.
TRUE
FALSE
3: Which food has the FDA approved irradiation for?
poultry and red meat to control spoilage
milk products
whole wheat products
fresh seafood
4: For safe storage of food, refrigerators should be set at 47 degrees F or colder.
TRUE
FALSE
5: Poisons that are produced by or naturally occur in plants or microorganisms are
ciguatera
aflatoxins
natural toxins
solanine
6: Salmonella occurs only in poultry and eggs.
TRUE
FALSE
7: Consuming raw eggs (such as in cookie or cake batter) can lead to infection with which bacteria?
Clostridium botulinum
Escherichia coli
Salmonella
Toxoplasma gondii
8: Which of the following is not found in poultry?
Campylobacter jejuni
Listeria moncytogenes
Salmonella
Staphylococcus aureus
9: The ____ regulates public drinking water and approves pesticides and other chemicals used in the environement.
FDA
EPA
ARS
CSREES
10: The FDA enforces laws governing domestic and imported meat and poultry.
TRUE
FALSE
11: Food manufacturers have been reluctant to use irradiation on their products for fear of consumer rejection.
TRUE
FALSE
12: A process of destroying pathogenic bacteria by heating liquid foods to a prescribed temperature for a specified time is
irradiation
preservation
pasteurization
Bacteriophation
13: Poultry should be cooked to an internal temperature of
145 degrees F
170 degrees F
180 degrees F
155 degrees F
14: The FDA oversees genetically modified foods as well as conventional foods.
TRUE
FALSE
15: The FDA has approved irradiation for fruits and vegetables to inhibit maturation.
TRUE
FALSE
16: Dioxins are
possible causes of anemia and nerve toxicity.
found in small amounts in paper plates and coffee filters.
found in poisonous mushrooms.
fungicides used to treat skin or hoof infections.
17: Pathogenic microorganisms include
bacteria
viruses
parasites
all of the above
18: Manipulation of the genome of an organism by artifical means for the purpose of modifying existing traits or adding new genetic traits is called
genetic engineering
biotechnology
bacteriophage
genome
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