How are lecture modules viewed in FOS3042 ?
By selecting the "Modules" tab, then selecting the title of the presentation under each Module
By selecting the "Lessons" function in Canvas and clicking on the lesson you wish to view.
By selecting the PowerPoint presentation you wish to view. There are no lecture videos.
All of the above
answer
By selecting the "Modules" tab, then selecting the title of the presentation under each Module
question
The FINAL EXAM is MANDATORY in FOS3042.
true
false
answer
true
question
How many points is each quiz worth?
5
8
10
15
answer
8
question
How many exams (not including the final exam) are there in FOS3042?
2
3
4
5
answer
4
question
How many minutes are given for each quiz? (Hint: Quiz 1 is an exception to this rule)
5 minutes
10 minutes
15 minutes
20 minutes
answer
10 minutes
question
How many points are each exam worth?
25
30
40
50
answer
25
question
How does one tell which modules correspond to which quizzes?
Just start the quiz and see.
Refer to the syllabus. There is a table with this information.
Module 1 is covered in Quiz 1, Module 2 is covered in Quiz 2...Module 16 is covered in Quiz 16...wait there are only 11 quizzes.
There will be an announcement to clarify this before each and every test opens.
answer
Refer to the syllabus. There is a table with this information.
question
Your lowest quiz in FOS3042 will be automatically dropped.
true
false
answer
true
question
The schedule for Quizzes and Exams is found in the
syllabus
the "chat room" function in Canvas / e-Learning
UF course catalog
All of the above
answer
syllabus
question
Required reading materials are...
listed (if any) under each Module on Modules tab
chapters from the book titled "Food Bites: The Science of the Foods We Eat".
available through UF Libraries.
All of the above are correct.
answer
All of the above are correct.
question
Quizzes and exams open on Saturday at midnight and close the following Friday at 11:59PM. Quiz 11 and the Final Exam are exceptions to this rule.
true
false
answer
true
question
Your lowest exam score (not including the final exam) will automatically be dropped.
true
false
answer
true
question
Quizzes, Exams, and the Final Exam are timed.
true
false
answer
true
question
How many attempts are given for each exam and/or quiz?
1
Unlimited
2
answer
1
question
It's a good idea to check Canvas / e-Learning as often as everyday because it acts as a portal for
course announcements
a way to view lectures and access presentations
stay aware of quiz and exam deadlines
All of the above
answer
All of the above
question
To take a quiz or exam, you should visit
the "Resources" function in Canvas
the "Quizzes" function in Canvas
your local UF testing center
All of the above
answer
the "Quizzes" function in Canvas
question
Understanding the changes in the quality of produce on the way to the grocery store is possible with the knowledge of:
Biology
Nutrition
Toxicology
Materials Science
answer
Biology
question
What is the very first method of food processing discovery?
Cooking
Pasteurization
Fermentation
Canning
answer
Cooking
question
What is the energy cost per food dollar as of 2013?
2.5 cents
3.2 cents
5.2 cents
9.2 cents
answer
5.2 cents
question
Which of the following cannot be attributed to the discoveries and developments in Food Science & Technology?
Increase in the variety of foods
Increase in the availability of food outside the growing region and/or season
Increase in % disposable income spent on food
Safer food
answer
Increase in % disposable income spent on food
question
Which of the following is not true for almond milk?
It is lactose-free.
It is made with water, ground almonds and added nutrients like Calcium.
It is higher in protein than milk, yogurt or cheese
It is vegetarian.
answer
It is higher in protein than milk, yogurt or cheese
question
What is another name for Vitamin B2?
Thiamine
Riboflavin
Niacin
Folic Acid
answer
Riboflavin
question
Which of the following organizations has a national nutrient database mentioned in the lecture?
USDA
IFSAC
IFT
IFAS
answer
USDA
question
Based on the Food Groups defined to communicate nutrition information, what food is part of the dairy food group?
Cheddar cheese
Cream cheese
Butter
All of the above
answer
Cheddar Cheese
question
Effective packaging for food products can be made with
Colorful graphics
An understanding of man-made solid materials
Any material that seals well
Lots of air
answer
An understanding of man-made solid materials
question
Which of the following statements is incorrect about the job of the International Public Health & Trade Manager at FDA whom you were introduced to one of the additional videos of Module 1?
Working as part of a team that sets the policy, writing and enforcing the regulations
Making sure food coming into the States from abroad is safe
Using diplomacy on a daily basis
Inspecting beef carcasses in the Maryland Abattoir
answer
Inspecting beef carcasses in the Maryland Abattoir
question
Your friend is majoring in Food Science. Which of the following statements is accurate?
Their studies examine the influence of food on consumer health.
You would hear them talk about the courses they take such as Nutrition and Metabolism or Nutrition Counseling.
Their dream job is in Food Product Development.
All of the above.
answer
Their dream job is in Food Product Development.
question
How does Food Technology differ from Food Science?
It does not. The two are the same.
Food Science studies the effect of food on the consumer, Food Technology is a study of nature of foods.
Food Technology is a misnomer for Food Science.
Food Technology is the application of Food Science to manufacture and distribute safe, nutritious ans wholesome food.
answer
Food Technology is the application of Food Science to manufacture and distribute safe, nutritious ans wholesome food.
question
Which fruit contains the most amount of potassium per 100 g?
Banana
Apple
Kiwi
Blueberry
answer
Banana
question
Which of the following are plant proteins not an excellent source for?
Vitamin B12
Potassium
Fiber
Folate
answer
Vitamin B12
question
What illustrative educational tool is intended for an easy way for consumers to remember which food groups to eat the most of and which to eat the least of?
MyPlate
The Atkins Diet
USDA Nutrient Database
IFT Pyramid
answer
MyPlate
question
Which of the following constitutes a basis for categorizing foods?
Nutrient content
Common raw material or processing method
Food-borne illnesses they may be implicated in
All of the above
answer
All of the above
question
On the food ingredient label
the most predominant ingredient is listed first.
the ingredients are listed in alphabetical order.
the least predominant ingredient is listed first.
the order of ingredients does not follow any rule.
answer
the most predominant ingredient is listed first.
question
Which of the following minerals is needed in the largest amounts by the human body?
Iron
Zinc
Calcium
Iodine
answer
Calcium
question
Mediterranean Diet is known to be
low in monounsaturated fat.
low in dietary fiber.
high in saturated fat.
high in monounsaturated fat.
answer
high in monounsaturated fat
question
Foods are ___________ composed of elements from the periodic table.
chemicals
inorganic
plasma
All of the above
answer
chemicals
question
The process where sugars and proteins form characteristic flavor compounds and brown melanoidin compounds is called
Maillard Browning
Carbonyl-Amine Browning
Non-enzymatic Browning
All of the above
answer
All of the above
question
What is the most common acid added to food?
citric acid
malic acid
tartaric acid
proprionic acid
answer
citric acid
question
Which of the following are considered organic acids in foods?
Malic acid
Lactic acid
Fumaric acid
All of the above
answer
All of the above
question
Three fatty acids attached to a glycerol backbone is called
stearic acid
triacylglycerol
cholesterol
eicosapentaenoic acid
answer
triacylglycerol
question
Which of the following are classifications of carbohydrates?
monosaccharides
disaccharides
oligosaccharides
All of the above
answer
All of the above
question
Starch
is not very sweet
can be modified for differing types of thickness
thickens liquids to form gravies, pastes, and gels
All of the above
answer
All of the above
question
Saturated fatty acids
contain an equal number of double bonds to carbons
contain an equal number of double bonds to hydrogen
do not contain double bonds in the carbon chain
contain 18 carbons
answer
do not contain double bonds in the carbon chain
question
Myoglobin is commonly found in
red meat
fish
tomato fruit
blueberries
answer
red meat
question
Which is not a type of taste testing?
Duo-trio test
Ranking
Hedonic test
Square test
answer
square test
question
Which of the following instruments measure color?
farbenometer
crayolanometer
colorimeter
All of the above
answer
colorimeter
question
Which of the following rheological methods measures the time for a liquid to flow down an inclined plane?
mechanical flowmeter
Ostwald viscometer
Brookfield viscometer
Bostwick consistometer
answer
Bostwick consistometer
question
The bright red color of fresh meat cuts that the meat department in a grocery store would like to display is due to
Myoglobin
Oxymyoglobin
Metmyoglobin
None of these
answer
oxymyoglobin
question
Frozen pepperoni pizza offered for sale in interstate commerce falls under the jurisdiction of ________.
EPA
FDA
USDA
None of these
answer
USDA
question
FDA is authorized to regulate various aspects of foods by the following laws except
Federal Food Drug and Domestic Act
Food Safety Modernization Act
Nutritional Labeling and Education Act
Food Additives Amendment
answer
Federal Food Drug and Domestic Act
question
The Color Additives Amendment
was enacted simultaneously with the Food Additives Amendment.
required the manufacturers to establish the safety of color additives in foods, drugs, cosmetics and certain medical devices.
exempted GRAS substances.
amended the Food Quality and Protection Act.
answer
required the manufacturers to establish the safety of color additives in foods, drugs, cosmetics and certain medical devices.
question
Food Safety and Modernization Act aims to ensure the U.S. food supply is safe by shifting the focus from responding to contamination to
stopping the contamination.
cleaning the contamination.
removing the contamination.
preventing the contamination.
answer
preventing the contamination.
question
Which of the following is not a major element of FSMA?
Voluntary product recall
More frequent inspections
Foreign supplier verification program
Preventive controls plan to identify hazards and related controls
answer
Voluntary product recall
question
Homogenization is an example of
Size reduction
Aggregation
Separation
None of the above
answer
Size reduction
question
Which of the following unit operations help achieve uniformity in product properties?
Fluid flow
Mixing
Mass transfer
Size adjustment
answer
Mixing
question
Which of the following is NOT an example of separation in food processing?
Peeling of potatoes
Shelling of nuts
Filtration of wine
Gelation
answer
gelation
question
Everything else (the food product, the target microorganism, the medium, etc.) being constant, which temperature will allow the shortest time for microbial destruction?
107 degrees C
82 degrees C
164 degrees C
15 degrees C
answer
164 degrees C
question
Referring to a thermal process in food processing, the following(s) need(s) to be specified:
Temperature of the heating medium
Temperature to which the product is heated
Duration of the process
Temperature to which the product is heated and the length of time this temperature is maintained in the product
answer
Temperature to which the product is heated and the length of time this temperature is maintained in the product
question
Which of the following is not a desirable effect of blanching?
Inactivates enzymes
Enhances color
Traps air
Cleans surfaces
answer
Traps air
question
Which of the following is not used to thermally process food that is already packaged?
Agitating retorts
Still retorts
Hydrostatic sterilizers
Hot pack
answer
Hot pack
question
Heat transfer through the food container is faster if the container is made of
aluminum
glass
plastic
cardboard
answer
aluminum
question
Why is saturated steam a common heating medium?
It provides a very high heat transfer coefficient
It's temperature is easily controlled through its pressure
Its heat content is very high
All of the above
answer
All of the above
question
Enzyme activity in foods that undergo freezing conditions
is accelerated
slows down
remains the same
converts the enzymes to water
answer
slows down
question
Which of the following are considered cryogenic freezing methods?
liquid nitrogen
liquid water
gaseous nitrogen
gaseous carbon dioxide
answer
liquid nitrogen
question
During what decade was cold preservation commercialized in the United States?
1900's
1910's
1920's
1930's
answer
1920's
question
How are blueberries typically frozen?
Immersion freezing
Fluidized bed freezing
Scraped surface freezing
Any of these methods will do.
answer
Fluidized bed freezing
question
Among the ones listed below, which type of freezer provide the fastest heat transfer?
Plate freezer
Belt freezer
Still air room freezer
None of these because freezing does not involve heat transfer
answer
Plate freezer
question
Which of the following is a reason to dehydrate food?
food preservation
to dilute the mineral content of the food
to increase the weight of the food
All of the above
answer
food preservation
question
Air drying is a method used to
dehydrate foods
refrigerate foods
freeze foods
keep food from undergoing syneresis
answer
dehydrate foods
question
Which of the following are quality changes that occur during concentration?
Flavor changes
Off-color formation
Crystallization of sugars
All of the Above
answer
All of the above
question
Which of the following is not poultry?
Chicken
Pork
Goose
Duck
answer
pork
question
How long does it take for the newly hatched chickens to reach market weight?
2-3 weeks
6-8 weeks
12-15 weeks
24-28 weeks
answer
6-8 weeks
question
Which government agency oversees the harvesting of poultry?
Food and Drug Administration
Environmental Protection Agency
US Dept. of Agriculture
US Egg & Poultry Association
answer
US Dept. of Agriculture
question
Which fatty acid is also called 18:3?
oleic acid
linoleic acid
linolenic acid
stearic acid
answer
linolenic acid
question
Which of the following sugars is typically called "table sugar"?
glucose
fructose
sucrose
lactose
answer
sucrose
question
Substances that quench oxidative reactions are
antioxigenins
antibiotics
antioxidants
antihistamines
answer
antioxidants
question
Which of the following is considered a natural food colorant?
yellow #5
red #40
citric acid
carminic acid
answer
carminic acid
question
Taste receptors on the tongue recognize which of the following?
salty
astringent
oily
oaky
answer
salty
question
Which of the following is not a correct match?
Vitamin B1- Riboflavin
Vitamin B3- Niacin
Vitamin B9- Folic acid
Vitamin B12- Cobalamin
answer
Vitamin B1- Riboflavin
question
How many calories or kcals does a gram of protein have?
2
4
7
9
answer
4
question
What is table salt commonly supplemented with?
Iron
Potassium
Magnesium
Iodine
answer
iodine
question
Which of the following are considered functional groups in foods?
Ketone group
Methyl group
Ester group
All of the above
answer
All of the above
question
The concept that involves a scale from 0 to 1 and affects microbial growth is known as
the "hurdle principle"
relative humidity
water activity
free water
answer
water activity
question
The level of pH above which a food is considered to be a low acid food is:
2.6
4.6
6.6
7.0
answer
4.6
question
Titratable acidity
is equivalent to pH
measures total acidity
measures only associated ions
measures only dissociated ions
answer
measures total acidity
question
The ingredient list on a food label must include the common name and function of any approved preservative used in the food. What is the function of powdered cellulose as indicated on the ingredient list of the pizza maker we used as an example in the lecture?
To promote color retention
To prevent caking
To substitute gluten
To inhibit mold growth
answer
to prevent caking
question
Which of the following shows the two main bodies governing the food supply in the United States?
EPA and FDA
FDA and FDACS
FDA and USDA
FDA and IFT
answer
FDA and USDA
question
A standard of identity establishes and maintains the identity and quality of a food product by
specifying mandatory ingredients.
allowing optional ingredients.
specifying processing steps involved in the manufacturing of the food.
All of the above
answer
all of the above
question
The Food Safety and Inspection Service is under which government agency?
Centers for Disease Control
Food and Drug Administration
United States Department of Agriculture
Environmental Protection Agency
answer
United States Department of Agriculture
question
What is the name of the local agency which regulates coffee shops in Florida?
Florida Food and Drug Administration
Florida Department of Agriculture and Consumer Services
Florida Bureau of Beverage Industry
Florida Parks and Recreation
answer
Florida Department of Agriculture and Consumer Services
question
The Food Code sets forth model provisions for keeping food safe in restaurant, cafeteria, and institutional food operations. These model provisions may be adopted by local governments as legal requirements for food service establishments within their jurisdiction. Which agency publishes the Food Code?
FDACS
USDA
FDA
TTB
answer
FDA
question
What drives heat transfer?
Pressure gradient
Concentration gradient
Temperature gradient
None of the above
answer
Temperature gradient
question
Radiation is a mode of heat transfer which occurs when
Eggs from the refrigerator are beaten together
Cold milk is stirred in to warm coffee
Cake batter is placed a hot oven
Vegetables are sauteed in olive oil
answer
Cake batter is placed a hot oven
question
Z-value is
in units of time
the change in temperature needed to shorten the D-value by a factor of 10
independent of the medium
the same as the F-value
answer
the change in temperature needed to shorten the D-value by a factor of 10
question
Which of the following food components does not protect against heat treatment?
Sugar
Fats
Starch
Food color
answer
food color
question
Fruit stored under refrigeration conditions for extended periods of time might undergo
flavor inversion
seed inflation
chill injury
spontaneous peel removal
answer
chill injury
question
The acronym "IQF" stand for
Incomplete Quality Factor
Individually Quick Frozen
Individual Quality Freezing
Incomplete Quantitative Freezing
answer
Individually Quick Frozen
question
What causes freezer burn?
Underprocessing of food
Use of overripe produce
Rubbing of food against its package
Loss of water over time due to fluctuations in temperature
answer
Loss of water over time due to fluctuations in temperature
question
Which of the following is TRUE regarding drying curves?
foods dries from the inside to the outside
removal of water continues until water content drops to zero
bound water is harder to remove compared to free water
foods lose water at a constant rate
answer
bound water is harder to remove compared to free water
question
Which of the following are reasons to concentrate foods?
reduces the weight and volume of the food
increases weight and volume of the food
provides no increase in the concentration of solutes
rapidly cools the food to below 0 degrees C
answer
reduces the weight and volume of the food
question
What happens when eggs get older during storage?
A) The color of egg yolk changes
B) The size of aircell increases
C) Egg white becomes thinner
D) Both B and C are correct
answer
D) Both B and C are correct
question
When eggs undergo candling
it changes the color of the egg to brown
it bleaches the outside of the egg
the egg is passed by a light source to check the position of the yolk and size of aircells
it is cracked open and exposed to light to determine egg quality
answer
the egg is passed by a light source to check the position of the yolk and size of aircells
question
Which of the following is considered a quality downgrade in raw poultry?
inadequate size of legs compared to thighs
yellow color of skin
broken bones
major differences in wing size between the previous day of production
answer
broken bones
question
How long does it typically take to sundry grapes to make California Raisins?
A few hours
24 hours
2 weeks
2 months
answer
2 weeks
question
What is the difference between brown raisins and golden raisins?
A. One is made from red grapes, the other green
B. How they are dried
C. Other ingredients added
B and C are correct
A, B and C are correct
answer
B and C are correct
question
Which term is associated with high quality of red meat by visually evaluating fat dispersed throughout muscle tissue?
rendering
marbling
exsanguination
Maillard products
answer
marbling
question
Which of the following affect tenderness, flavor, cook losses, and yield in the quality evaluation of meat?
size of the animal
age of the animal
portion / cut of meat
All of the above
answer
All of the above
question
Muscle composition of red meat contains
only sulfur containing amino acids
all essential amino acids
no amino acids
only branched chain amino acids
answer
all essential amino acids
question
The cooking of red meat before rigor mortis sets in results in
extra tender meat
the most common method of production
the catalysis of rigor mortis
no quality effects, whatsoever
answer
extra tender meat
question
Regarding the optimal quality of fish fillets, it is important to
wait until rigor mortis has concluded before freezing
freeze at the beginning stages of rigor mortis
remove the fish muscle before rigor mortis sets in and store at room temperature
filet and freeze during rigor mortis
answer
wait until rigor mortis has concluded before freezing
question
The more marbling in red meat is equivalent to
decreased tenderness of the cut
increased tenderness of the cut
no change in the tenderness of the cut
more fat around the outside edges of the cut
answer
increased tenderness of the cut
question
Which of the following is a beginning stage of rigor mortis?
surrounding non-muscle tissues consume lactic acid and add moisture to the meat
water activity is increased to 1
muscle tissue becomes very tough
all stages of rigor mortis do not effect the quality of the meat
answer
muscle tissue becomes very tough
question
In solvent extraction of oil from oilseeds, what is one way of increasing yield?
Wetting the seeds with water
Grinding or flaking the seeds
Forming the seeds into blocks
All of the above
answer
Grinding or flaking the seeds
question
Cod liver oil comes from what animal?
a pig
a cow
a fish
a chicken
answer
a fish
question
What is the name of the processing step that is used to remove phospholipids in the production of fats and oils?
Refining
Plasticizing
Hydrogenation
Degumming
answer
degumming
question
Fats are
equivalent to moisture content in foods
crystalline in nature
non-crystalline at any temperature
the least efficient source of energy for human energy storage
answer
crystalline in nature
question
Which of the following is associated with the palatability of ice cream?
protein content
fat content
sugar content
sweetener content
answer
fat content
question
Lard which is typically sold in the form sticks in the grocery store is extracted with which of the following methods?
Solvent extraction
Pressing
Rendering
All of the above
answer
Rendering
question
In beer production, roasted barley is also known as
barley malt
barley soup
malted milkshake
baked barley
answer
barley malt
question
Of the three major types of tea, which of the following is most common in the United States?
Oolong tea
Green tea
Black tea
White tea
answer
black tea
question
What are adjuncts in beer making?
Cereals like corn and rice added used to cut down cost and add flavor
Mixture of broken down starch and solubilized protein in wort
Hops
None of these
answer
Cereals like corn and rice added used to cut down cost and add flavor
question
Roasted coffee is often vacuum packaged because
the flavor is very sensitive
coffee beans pick up water quickly
it's part of the decaffeination process
it contains Swiss water
answer
the flavor is very sensitive
question
Soft drinks are made up mostly of
sugar
flavor
foam
water
answer
water
question
The process in beer production that produces carbon dioxide and ethanol is known as
sequestration
filtration
hydrogentation
fermentation
answer
fermentation
question
Carbonated beverages are infused with
nitrogen gas
carbon dioxide gas
oxygen gas
xenon gas
answer
carbon dioxide gas
question
Which of the following is the technique in beer making that's used to produce wort for subsequent fermentation?
pitching
sparging
mashing
malting
answer
mashing
question
Which is NOT true about tea?
Green tea has higher levels of antioxidants (catechins) than black tea.
Oolong tea is made from tea leaves that are allowed to ferment to a lesser extent compared to black tea processing
Yeast is added to start fermentation in oolong or black tea processing.
During fermentation, color and flavor develops through the action of polyphenol oxidase (PPO).
answer
Yeast is added to start fermentation in oolong or black tea processing.
question
Which of the following is not a food product that is sold in packages that are very similar to juice boxes?
Broth
Wine
Beer
Milk
answer
beer
question
What causes variability in the taste of orange juice?
Amount of sunshine, rain during the growing season
Differences in sugar, acid and flavor compounds in oranges
Whether the juice comes from early or late fruit in the growing season
All of the above
answer
All of the above
question
How do calcium and magnesium affect brewing?
By changing the mouth feel of the beer
By affecting the yeast activity
By affecting the taste of beer
All of the above explain how these minerals affect brewing.
answer
All of the above explain how these minerals affect brewing.
question
Why is it better for tougher cuts of meat to be cooked slowly at low temperatures?
Shrinking of muscle fibers is lessened at lower temperatures.
Connective tissues take time to break down with heat
Both of these explain why low and slow cooking helps
None of these.
answer
Both of these explain why low and slow cooking helps
question
Fats and oils are otherwise known as
brominated vegetable oil
glycerol ester of wood rosin
triamines
triacylglycerols
answer
triacylglycerols
question
You found this chocolate bar stashed away in the corner of a drawer several months ago. There is a white haze on the surface. What is it?
Mold.
Yeast.
Cocoa butter crystals rearranged over time
Cocoa pigment migrated to the surface
answer
Cocoa butter crystals rearranged over time
question
Butter milk is...
A. the by-product of churning
B. made by mixing cream and skim milk
C. typically used as an ingredient in other foods
D. A and C are correct
E. A, B, and C are correct
answer
D. A and C are correct
question
What is malt?
Germinated barley (or other grain) in which starch breaking enzymes are activated.
Liquid fraction in beer processing which is very high in fermentable sugars.
The dried fruit of the Humulus lupulus plant.
An ingredient in beer processing added to provide flavor and bitterness to the final product.
answer
Germinated barley (or other grain) in which starch breaking enzymes are activated.
question
Which of the following statements about the Swiss Water Process is FALSE?
Extracts caffeine from green coffee beans
Carbon filter traps flavor molecules so that flavor of coffee beans is preserved
Caffeine is removed from the beans by osmosis
Takes several hours
answer
Carbon filter traps flavor molecules so that flavor of coffee beans is preserved
question
How is juice that comes in a single serve juice box treated to ensure safety?
It is sterilized and then filled into the box in an aseptic environment.
It is pasteurized and then filled into a sterilized box in an aseptic environment.
It is frozen into bricks and wrapped in the box before pasteurization.
It is pasteurized after filling.
answer
It is pasteurized and then filled into a sterilized box in an aseptic environment.
question
Where does the air in a milk shake come from?
The ice cream
Whipping with milk
Both from the ice cream and whipping with milk
None of these
answer
Both from the ice cream and whipping with milk
question
The most common way of reducing foodborne pathogens in food is
to properly cook the food
store food at room temperature
to use sterile containers
to use a microwave
answer
to properly cook the food
question
Which of the following organisms is associated with the direct contact of cat feces?
Felix felicis
Toxoplasma gondii
Cyclospora
Cryptosporidium parvum
answer
Toxoplasma gondii
question
Which of the following are potential hazards in foods?
chemical
physical
biological
All of the above
answer
All of the above
question
Although Norovirus is thought to be responsible for 50% of foodborne gastroenteritis in the United States
it is very difficult to contract from food handlers
it is rarely diagnosed because symptoms disappear within 24 hours and are not reported
it's not a major concern of the scientific community
the symptoms take weeks to become apparent after ingestion of contaminated food
answer
it is rarely diagnosed because symptoms disappear within 24 hours and are not reported
question
Infant botulism might be obtained by the consumption of
contaminated milk
contaminated water
honey
soft drinks
answer
honey
question
From which animal source is there an organism that might take 10 years to show symptoms and last for 20 to 30 years after infection?
beef
chicken
pork
turkey
answer
pork
question
Which microorganism is otherwise known as STEC?
E. coli O157:H7
Shigella
Salmonella
Clostridium botulinum
answer
E. coli O157:H7
question
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
All of these
answer
All of these
question
Which of the following is not a result of oxidation in foods?
Rancidity in oils and fatty food
Cloud loss in orange juice
Destruction of vitamins, pigments, flavors
Decrease in overall eating quality in fish
answer
Cloud loss in orange juice
question
Heat applied to make scrambled eggs
Denature proteins
Cause lumpiness due to excess moisture
Caramelize sugars
Causes rancidity if it is not controlled
answer
Denature proteins
question
Which is incorrect about enzymes in foods?
They accelerate chemical reactions.
They are not used up in reactions they accelerate.
They may cause food deterioration.
They taste sour
answer
They taste sour
question
Which of the following symptoms may indicate chill injury?
Surface lesions
Internal discoloration
Failure to ripen normally
All of these
answer
All of these
question
Which of the following does not act like a photosensitizer?
Casein
Riboflavin
Chlorophyll
Vitamin B2
answer
Casein
question
Which of the following statements about chill injury is incorrect?
Discoloration, pitting and surface decay are common symptoms.
Internal browning in apples may indicate they have been stored under 36-38 degrees F.
Fruit of temperate origin (apple, pomegranate) are more tolerant to chill injury than tropical fruit.
Bananas can tolerate lower temperatures than avocados
answer
Bananas can tolerate lower temperatures than avocados
question
What causes plasmolysis?
Saturating the taste buds with favorite food.
Shaking beverages.
Rehydrating previously dried food.
Placing food in syrup or brine.
answer
Placing food in syrup or brine
question
Which of the following combinations are not commonly encountered during drying?
Low temperature-high humidity
High temperature-high humidity
High temperature-low humidity
Medium temperature-medium humidity
answer
High temperature-high humidity
question
Ionizing radiation approved for use on foods are
Gamma rays and X-rays
Gamma rays but not X-rays
Sun rays
Microwaves
answer
Gamma rays and X-rays
question
Each of the following indicates a desirable characteristic of a chemical preservative except:
Is active on a wide spectrum of spoilage and pathogenic organisms
Enhances flavor and color of the product
Is active throughout the shelf life of the food.
Does not interfere with microbial activity such as leavening of bread.
answer
Enhances flavor and color of the product
question
Which of the following preservation methods will not inactivate enzymes?
Thermal processing
Drying
Irradiation
Chemical additives
answer
Irradiation
question
Microwaves, UV light and ionizing radiation...
are examples of electromagnetic radiation.
can be used to preserve food.
are better suited for treatments at substerilization doses.
All of these are correct.
answer
All of these are correct.
question
Plasmolysis is...
the mechanism of action for salt or sugar used as food preservative.
caused by high osmotic pressure outside the cell.
the shrinkage of microbial cells due to water loss.
All of these.
answer
All of these.
question
Which of the following accurately explain(s) why someone may want to add a few grains of rice to their salt shaker?
To prevent the clumping of salt by absorbing salt crystals prone to clumping.
To absorb moisture from ambient air so that those water molecules are not available for a saturated salt solution on salt crystals.
To counteract the bad luck that might be brought about by spilled salt.
To flavor the salt.
answer
To absorb moisture from ambient air so that those water molecules are not available for a saturated salt solution on salt crystals.
question
Which of the following is required by the Good Manufacturing Practices?
Periodic calibration of thermometers measuring pasteurization temperature
No jewelry, watch or other accessories allowed on employees
Hair and beard nets
All of the above
answer
All of the above
question
Fermentation and pickling of vegetables are examples of
uncontrolled spoilage
controlled spoilage
biotechnology
chelation
answer
controlled spoilage
question
What is the name of the technology where the environment around the fruit or vegetable is altered to slow respiration?
Ventilated packaging
Gas exchange environment
Modified atmosphere
Nitrogen replacement packaging
answer
Modified atmosphere
question
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
answer
Reduced tenderness and juiciness in meat
question
Which of the following is not added to foods with the purpose of controlling microbial growth?
Nitrites
Glycerin
Phosphates
Sorbic acid
answer
Glycerin
question
What organism was the number one cause of bacterial foodborne illness in the United States in 2012?
Salmonella
Campylobacter
E. coli
Listeria
answer
Salmonella
question
In many cases, fermentation causes the pH of foods to
increase
decrease
stabilize
nutralize
equilibrate
answer
decrease
question
What are some of the new technologies to preserve foods without altering their flavor and texture?
1. Canning
2. High pressure processing
3. Batch sterilization
4. Oscillating electric fields
1 and 2
2 and 3
3 and 4
2 and 4
answer
2 and 4
question
Which is a good way to keep guacamole from turning brown?
Keeping in a well-sealed container
Using avocados dipped in sugar
Adding salt
All of these
answer
Keeping in a well-sealed container
question
What is the average number of items carried in a supermarket today?
Less than 1,000
1,000-10,000
10,001-30,000
More than 30,000
answer
More than 30,000
question
Hydrogenating vegetable oils
thins the vegetable oil
forms triglycerides
forms cis- fatty acids
forms trans- fatty acids
answer
forms trans- fatty acids
question
The aircell size in eggs
gets smaller as the egg gets older
gets bigger as the egg gets older
is inversely proportional to the size of the yolk
isn't measured in quality grading
answer
gets bigger as the egg gets older
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