FOS 3042 EXAM 3, UF FOS3042 Exam
3, FOS actual exam 3, FOS Exam 3
Question Bank, FOS 3042 EXAM 4
fully solved
Feed conversion ratio, defined as pounds of feed consumed per pounds of animal growth, is the
lowest for: - ANS ✔✔farm-raised fish
Regarding the optimal quality of fish fillets, it is important to - ANS ✔✔wait until after rigor
mortis has concluded to begin freezing
Which term is associated with high quality of red meat by visually evaluating fat dispersed
throughout muscle tissue? - ANS ✔✔marbeling
Which of the following lipids comes from a plant source? - ANS ✔✔palm and palm kernel oil
fats are - ANS ✔✔crystalline in nature
The process in beer production that produces carbon dioxide and ethanol is known as - ANS
✔✔fermentation
roasted coffee is often vacuum packaged because - ANS ✔✔the flavor is very sensitive
food companies can legally add water to meat and fish using - ANS ✔✔phosphates
,why does the processor want to remove chlorophyll from vegetable oil - ANS ✔✔chlorophyll
would contribute to oxidation of the oil
how do calcium and magnesium affect brewing - ANS ✔✔all of the above explain how these
mineral affect brewing
Which of the following is NOT one of the purposes of food processing? - ANS ✔✔to eliminate
the bacteria in the gut
Which of the following may be the reason(s) for strawberries frozen in a home freezer to be
mushy when thawed?
1. Slow freezing
2. Fast freezing
3. Polyphenol oxidase activity
4. Cell shrinkage and rupture - ANS ✔✔1 and 4 (Slow freezing, cell shrinkage and rupture)
What are some of the new technologies to preserve foods without altering their flavor and
texture?1. Canning2. High pressure processing3. Batch sterilization4. Oscillating electric fields -
ANS ✔✔2 and 4
Which of the following statements are correct?
Enzymes catalyze many metabolic reactions without changing themselves.Lactase is an enzyme
that catalyzes the formation of glucose and galactose from lactose.The substrate for lactase is
lactose.All of these are correct. - ANS ✔✔all of these are correct
Which of the following are considered organic acids in foods?
malic lactic fumaric - ANS ✔✔all of the above
, How long does it take for the newly hatched chickens to reach market weight? - ANS ✔✔6-8
weeks
The process of heating a food, usually liquid, to a specific temperature for a definite length of
time, and then cooling it immediately is known as - ANS ✔✔pasteurization
The process applied to fruits and vegetables to inactivate natural food enzymes is known as -
ANS ✔✔blanching
What is best quality grade given to eggs? - ANS ✔✔grade aa
Which of the following(s) are necessary to select the optimal heat treatment for a given low
acid product?The time-temperature combination for the inactivation of the most resistant
microorganismHeat penetration characteristics of the productBoth of the aboveNone of the
above - ANS ✔✔both of the above
Why can foods such as pineapples, pickles and tomatoes be treated with temperatures less than
100F for a few minutes? - ANS ✔✔These foods are highly acidic (pH<4.6) which provides a
hurdle to microorganims
Which of the following foods needs to be pasteurized at a higher temperature or for a longer
time than milk for the same level of microbial destruction? - ANS ✔✔ice cream
Which of the following is not used to thermally process food that is already packaged? - ANS
✔✔hot pack
Which of the following is a source of microbial contamination of foods?Irrigation water
Improperly washed hands of the food preparer
Drains and floors in the manufacturing facility
3, FOS actual exam 3, FOS Exam 3
Question Bank, FOS 3042 EXAM 4
fully solved
Feed conversion ratio, defined as pounds of feed consumed per pounds of animal growth, is the
lowest for: - ANS ✔✔farm-raised fish
Regarding the optimal quality of fish fillets, it is important to - ANS ✔✔wait until after rigor
mortis has concluded to begin freezing
Which term is associated with high quality of red meat by visually evaluating fat dispersed
throughout muscle tissue? - ANS ✔✔marbeling
Which of the following lipids comes from a plant source? - ANS ✔✔palm and palm kernel oil
fats are - ANS ✔✔crystalline in nature
The process in beer production that produces carbon dioxide and ethanol is known as - ANS
✔✔fermentation
roasted coffee is often vacuum packaged because - ANS ✔✔the flavor is very sensitive
food companies can legally add water to meat and fish using - ANS ✔✔phosphates
,why does the processor want to remove chlorophyll from vegetable oil - ANS ✔✔chlorophyll
would contribute to oxidation of the oil
how do calcium and magnesium affect brewing - ANS ✔✔all of the above explain how these
mineral affect brewing
Which of the following is NOT one of the purposes of food processing? - ANS ✔✔to eliminate
the bacteria in the gut
Which of the following may be the reason(s) for strawberries frozen in a home freezer to be
mushy when thawed?
1. Slow freezing
2. Fast freezing
3. Polyphenol oxidase activity
4. Cell shrinkage and rupture - ANS ✔✔1 and 4 (Slow freezing, cell shrinkage and rupture)
What are some of the new technologies to preserve foods without altering their flavor and
texture?1. Canning2. High pressure processing3. Batch sterilization4. Oscillating electric fields -
ANS ✔✔2 and 4
Which of the following statements are correct?
Enzymes catalyze many metabolic reactions without changing themselves.Lactase is an enzyme
that catalyzes the formation of glucose and galactose from lactose.The substrate for lactase is
lactose.All of these are correct. - ANS ✔✔all of these are correct
Which of the following are considered organic acids in foods?
malic lactic fumaric - ANS ✔✔all of the above
, How long does it take for the newly hatched chickens to reach market weight? - ANS ✔✔6-8
weeks
The process of heating a food, usually liquid, to a specific temperature for a definite length of
time, and then cooling it immediately is known as - ANS ✔✔pasteurization
The process applied to fruits and vegetables to inactivate natural food enzymes is known as -
ANS ✔✔blanching
What is best quality grade given to eggs? - ANS ✔✔grade aa
Which of the following(s) are necessary to select the optimal heat treatment for a given low
acid product?The time-temperature combination for the inactivation of the most resistant
microorganismHeat penetration characteristics of the productBoth of the aboveNone of the
above - ANS ✔✔both of the above
Why can foods such as pineapples, pickles and tomatoes be treated with temperatures less than
100F for a few minutes? - ANS ✔✔These foods are highly acidic (pH<4.6) which provides a
hurdle to microorganims
Which of the following foods needs to be pasteurized at a higher temperature or for a longer
time than milk for the same level of microbial destruction? - ANS ✔✔ice cream
Which of the following is not used to thermally process food that is already packaged? - ANS
✔✔hot pack
Which of the following is a source of microbial contamination of foods?Irrigation water
Improperly washed hands of the food preparer
Drains and floors in the manufacturing facility
