FOS3042 Exam 4/Quiz 10 fully solved
Which of the following symptoms may indicate chill injury?
Surface lesions
Internal discoloration
Failure to ripen normally
All of these - ANS ✔✔All of these
Which of the following does not act like a photosensitizer?
Casein
Riboflavin
Chlorophyll
Vitamin B2 - ANS ✔✔casein
Chill injury in fruits and vegetables can occur at temperatures as high as
52 degrees F
56 degrees F
66 degrees F
72 degrees F - ANS ✔✔56 F
Which of the following is not a result of light exposure of food?
Off-flavor formation in milk
Discoloration of cured meat
Reduced tenderness and juiciness in meat
, Destruction of vitamins - ANS ✔✔Reduced tenderness and juiciness in meat
Which is correct about commercial sterility?
A commercially sterile product is sterile until you take it home.
The purpose is to kill all microbes.
A commercially sterile product may contain a viable spore that cannot grow due to various
properties of the food.
Glassware used in a microbiology lab is commercially sterile. - ANS ✔✔A commercially sterile
product may contain a viable spore that cannot grow due to various properties of the food.
Which of the following is not added to foods with the purpose of controlling microbial growth?
Nitrites
Glycerin
Phosphates
Sorbic acid - ANS ✔✔Glycerin
Irradiation is approved for use with
any food in which microbial growth needs to be controlled.
spices, seeds, lettuce, potatoes, meat.
milk, juice, pizza, fish.
pet foods. - ANS ✔✔spices, seeds, lettuce, potatoes, meat.
What causes plasmolysis?
Saturating the taste buds with favorite food.
Shaking beverages.
Rehydrating previously dried food.
Placing food in syrup or brine. - ANS ✔✔Placing food in syrup or brine.