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2017 Food Science Test Bank Flashcards | StudBud
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2017 Food Science Test Bank
2017 Food Science Test Bank
96 terms
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food science
Flashcards
96 cards
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Questions
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Answers
1
The most important food appearance factors is.....
size
shape
color
package
2
The RDA was initially established during ______.
The Korean Conflict
World War II
World War I
the Depression
3
Turbidity of water is _____.
taste
smell
content
cloudiness
4
RDA stands for Recommended ____ Allowances.
Dietary
Dairy
Dose
D-vitamin
5
____ fruits produce ethylene gas during ripening.
nonclimacteric
tree
climacteric
orange
6
What is the symbol for salt?
C6H12C6
CO2
NaCl
H2O
7
The most common sweetener used in candies and chocolates is _____.
sucrose
lactose
maltose
glucose
8
food processing plants, __ peeling is used to remove skins on soft fruit/veg such as tomatoes.
caustic
machine
boiled
hand
9
Cool storage is considered any temperature from ____to___.
28,68
28,78
32,58
18,48
10
intimate contact occurs between the food or package and the refrigerant with ___freezing.
pressure
blast
immersion
cold
11
One well- known substitute for a milk product of____.
margarine
cheese
dried milk
powder milk
12
When the amount of chocolate liquor is greater than __ %, the product is bittersweet chocolate.
10
35
20
15
13
Term ___ used on labels of foods eaten freq without exceeding dietary guidelines of fat, etc.
low
lean
reduced
free
14
Carbohydrates and proteins provide about the calories per gram
4
5
6
2
15
Aquaculture facilities cultivate app. __different species of fish and shellfish each year.
40
10
30
20
16
_____ are used in medical research and therapy in many hospitals and universities.
radioisotopes
microwaves
mice
satellites
17
Covalent bonds are formed by sharing of a pair of _____.
neutrons
protons
atoms
electrons
18
Sequestrants are ______agents
chilling
charcoal
chelating
cheating
19
Bacteria or molds that require atmospheric oxygen are ______.
thermophilic
anaerobic
aerobic
mesophilic
20
_can destroy the microorganisms and intactive ezymes.
radiation
cooling
drying
freezing
21
Use of US grade standards for fruits and vegetables is ____ in most cases.
helpful
voluntary
required
confusing
22
household refrigerators usually run at ____to____.
21.4,26.5
40.5,44.6
32.2,35.7
45.5,50.2
23
acid coagulated_____cheese may include cottage cheese,quark, and cream cheese
fresh
white
aged
foreign
24
_____milk is a traditional milk fermented with lactobacillus acidophilus (LA)
acidophilus
whole
skim
butter
25
____ serves as a universal solvent.
odor
soap
bleach
water
26
Claims for __ relationships nutrient/ food risk of disease/health related now allowed on labels
8
5
6
7
27
Sweetened condensend milk has an extended shelf-life due to addition of ____.
salt
oxygen
vinegar
sugar
28
Hydrogen bonds are formed when a hydrogen atom is shared between two _____.
molecules
atoms
elements
neutrons
29
Percent of the adult body is made up of water.
fifty-five
eighty-five
sixty-five
seventy-five
30
Word __ on a label, means product contains no amount/trivial of fats,sat fat,sodium,sugars,cal.
low
lean
free
reduced
31
Research on food irradiation dates back to the ____.
1930s
1910s
1940s
1920s
32
___made a food acid or sour.
coloring
texturings
Flavoring
acidulants
33
____is made by changing pasteurized cream.
milk
ice-cream
butter
yogurt
34
___are covered by a crust like shell and have segmented bodies (like insects).
mollusks
crustaceans
clams
shrimp
35
DRVs for energy-producing nutrients are calculated as fat based on ___ % of calories.
25
30
35
20
36
On 1st reading, employer will spend __ seconds reading a re'sume'.
5-10
10-15
15-20
20-30
37
Naturally occurring play a role in food coloring
enzymes
pigments
carbohydrates
sugars
38
Alcohol supplies about calories per gram
7
4
5
6
39
The freezing point for pure water is ____.
28
10
15
32
40
In terms of additives,____include both natural and synthetic colorants
gums
sweeteners
flavors
colors
41
Microwave radiation is often called ______radiation.
magnetic
nonionizing
electrical
ionizing
42
Which vitamin is used most commonly to control browning in fruits by enzymes.
k
b
d
c
43
Successful pollution prevention program req frequent ___ to keep employees focused and careful.
expense
retraining
cleaning
reprimanding
44
__ chocolate is the most common form of eating chocolate.
sweet
dark
milk
bittersweet
45
__ play an important role in development of new foods and nonfood uses.
inspectors
chemists
butchers
bakers
46
For convenience, chocolate is frequently shipped in as a ___intended for use by other food man.
frozen
solid
liquid
gas
47
national marine fishers service estimate app.___plants process fish and shellfish in the U.S.
1,700
2,500
2,000
1,500
48
__are sides of fish cut lengthwise away from the backbone.
steaks
Fillets
Nuggets
sticks
49
____is done by dipping the fish in cold water and then freezing a layer before dipping the fish
Cleaning
Glazing
Dressing
skinning
50
Fat contributes about calories per gram
10
9
7
8
51
Foods that are sterilized by irradiation can be stored for _____without refrigeration.
days
years
months
weeks
52
The RDA is revised approximately every _____ years.
3
2
5
10
53
Candies based on a ___ sugar include rock candy, fondant, and fudge.
crystalline
white
noncrystalline
sweet
54
___like onions and garlic are enlargements above the roots.
stems
roots
bulbs
tubers
55
All ice cream is made from a basic ____mix.
cream
milk
sugar
white
56
The use of food additives is controlled by the _____cause.
Delaney
Delaware
Supplement
Additive
57
____are plant portions generally high in the water and fiber.
stems
roots
bulbs
tubers
58
FDA approved use of irradiation to control pathogens in fresh/frozen red meats (beef and pork)
1997
1988
1990
1975
59
standards help ensure food quality
Quality
Packing
National
legal
60
Ingredients on a food label are listed in __ order, based on weight.
alphabetical
ascending
chronological
descending
61
The principal ingredient of candies, including chocolate, is the ____.
milk
eggs
sweetener
butter
62
The lobster is a common___used for food.
eel
shrimp
mollusk
crustacean
63
federal guidelines, # of retailers must provide nutrition info for ___ most freq eaten raw veg.
20
10
15
25
64
Daily intake of ___ calories has been established as the daily reference value (DRV).
1900
2000
1800
1700
65
Fiber is important in _ function.
muscle
bowel
stomach
skeletal
66
Which organization issues the National Primary Drinking Water Regulations?
USA
NRA
EPA
FDA
67
The term total milk solids describes the remaining___percent of milk.
12-13
8-9
10-11
5-7
68
when frozen,about one half of the volume of ice cream is ____.
air
water
cream
milk
69
___are the most heavily used additives
Minerals
Vitamins
Gums
Sweeteners
70
Microbial growth slow tempertures under ___F.
80
60
70
50
71
The quality of most fresh vegetables can be judged reasonably well by their____appearance.
internal
external
leafy
green
72
Chefs prepare delicious meals and participate in __ to show off chefs' talents.
cooking contests
culinary olympics
worldwide classes
grand demonstrations
73
An adult should drink _glasses of water per day.
6 to 8
8 to 10
5 to 7
7 to 9
74
How long will frozen orange juice last at 10
14 months
6 months
2 months
10 months
75
Irradiation causes undesirable flavor changes in_______products.
dairy
vegetable
meat
grain
76
Organic chemistry involves molecules that contain which element?
calcium
oxygen
nitrogen
carbon
77
___ juice is probably the most commonly processed juice.
orange
lemon
cranberry
apple
78
_____ are the largest of the microorganisms but still single cells,and some produce spores
molds
ameba
bacteria
yeast
79
Fruits and vegetables are graded based on there.......and.......
smell,color
color,size
smell,shape
size,shape
80
In major production areas, dairies of __cows or more not uncommon.
2,000
700
1,000
500
81
____drying is the most used method for producing milk powders.
wet
air
heat
spray
82
Fruits and vegetables get their charcteristic color from___.
osmosis
sugar
sunshine
pigments
83
The periodic table arranges elements by the number of ___ in their outermost energy levels.
electrons
protons
neutrons
atoms
84
___dissolve in water and made as powders, granules, liquids, other special-purpose forms.
Lakes
gum
sweeteners
Dyes
85
Sugars and sugary foods provide a valuable and inexpensive source of ____.
desert
carbohydrates
energy
fat
86
Fructose is a ___ that is aprox. 75% sweeter than sucrose.
peptide
polypeptide
disaccharide
monosaccharide
87
Most bacteria are killed at ____to____F,but spores are not.
175,200
180,200
150,175
160,200
88
Microbes that prefer cold temperatures are _______.
Mesophilic
phychrophilic
obligative
thermophilic
89
American consumers us approximately__percent of the total world catch of fish and shellfish.
14
8
3
20
90
__ prepare pies,breads,rolls,cookies,cakes many others depending on where they work.
chefs
inspectors
buthcers
bakers
91
The vacuole of a plant is composed of ____with soluble substances dissolved within it.
oil
water
juice
minerals
92
Spectrophotometers can be used for measuring transparent foods
colorimeters
Thermometers
Liquid
meters
93
Which types of chemical bonds are the weakest?
ionic
covalent
Van der Waals
none of the above
94
The first RDA were published by a group known as the _______.
National Institutes of Health
National Nutrition Program
Food and Drug Administration
Environmental Protection Agency
95
All raw milk must be processed within__hours of receipt at the processing plant.
24
72
36
48
96
On average,Americans eat about___pounds of fish and shellfish each year.
5
30
15
20