RD Exam - Mometrix - Food Science &
Composition of Foods (12% of Exam)
Carotenoids and pH changes correct answers show little change
Lycopene is a ___________ responsible for giving tomatoes & watermelon red color
correct answers Carotenoid
Red, blue, & purple pigments correct answers Anthocyanins
Acid + ANTHOCYANIN... correct answers bright red
Alkaline solution + ANTHOCYANIN... correct answers Bluish
White pigment correct answers Anthoxanthins (flavones)
Acid + ANTHOXANTHINS/flavones correct answers Colorless
Alkaline solution + ANTHOXIANTHINS/flavones correct answers Yellow
- i.e. onions turn yellow in aluminum pan
process by which water enters or leaves a cell to establish equilibrium between contents
of the cell & its environment correct answers Osmosis
process by which molecules spread from higher --> lower concentrations
-- it is considered equilibrium when correct answers Diffusion
-- molecules are even
process of replacing the water of a vegetable with a concentrated salt solution correct
answers Osmotic dehydration
water moving into vegetables such as lettuce or celery to keep them crisp is an example
of correct answers osmosis
crispness is due to correct answers osmotic pressure
Fruits & veggies are graded by __________ on the basis of correct answers USDA
quality
firmness
,color
shape
lack of defect
Grades of
Canned fruit & veggie correct answers Grade A (Fancy)
Grade B (Choice)
Grade C (Standard)
Grade A/Fancy canned fruit & veg
uses... correct answers deserts, salads
Grade B/Choice canned fruit & veg uses... correct answers processed fruits or veg
Grade C/Standard canned fruit & veg uses... correct answers puddings & pie filling
Grades of
Fresh Fruit & Veggies correct answers Fancy
Extra #1
No. 1
Combination
No. 2
apples, bananas, peaches, & pears produce __________ amounts of ethylene gas
correct answers higher
grapes, strawberries, & citrus fruits produce __________ amounts of ethylene gas
correct answers lower
Environmental stresses that increase production of Ethylene Gas correct answers high
temperatures
wounding
How can consumers control the ripening effects of Ethylene Gas at home? correct
answers store most produce in refrigerator
place unripe produce on counter to achieve peak flavor
- (esp. banana, avocado, tomato, & pear)
If meat is sold across state lines, __________ is Mandatory correct answers USDA
inspection
__________ required that all states have inspection programs equal to that of the
federal government correct answers Wholesome Meat Act of 1967
, __________ ensures animal was healthy at slaughter & slaughtered under sanitary
condition correct answers Inspection
(via Wholesome Meat Act of 1967)
branch of USDA that inspects meat for safe processing, labeling, & packaging correct
answers Food Safety & Inspection Services
(FSIS)
act that brought about FSIS (Food Safety & Inspection Services) correct answers
Federal Meat Inspection Act
Round purple USDA stamp on meat indicates correct answers meat has passed
testing/inspection process
USDA seal on meat ensures that it is __________, __________, & __________ correct
answers Wholesome
Properly labeled
Not altered
T/F:
USDA inspection determines quality of meat correct answers FALSE!
Inspection only determines WHOLESOMENESS
indicates the QUALITY of meat product correct answers USDA Grading
agency responsible for grading Meat & Poultry correct answers Agriculture Marketing
Service (of USDA)
Grading of meat & poultry is based on...
- __________ of animal
- __________ of fat
- __________ & __________ correct answers maturity
marbling
color
texture
Grades of
Meat correct answers Prime
Choice
Select
Standard
Composition of Foods (12% of Exam)
Carotenoids and pH changes correct answers show little change
Lycopene is a ___________ responsible for giving tomatoes & watermelon red color
correct answers Carotenoid
Red, blue, & purple pigments correct answers Anthocyanins
Acid + ANTHOCYANIN... correct answers bright red
Alkaline solution + ANTHOCYANIN... correct answers Bluish
White pigment correct answers Anthoxanthins (flavones)
Acid + ANTHOXANTHINS/flavones correct answers Colorless
Alkaline solution + ANTHOXIANTHINS/flavones correct answers Yellow
- i.e. onions turn yellow in aluminum pan
process by which water enters or leaves a cell to establish equilibrium between contents
of the cell & its environment correct answers Osmosis
process by which molecules spread from higher --> lower concentrations
-- it is considered equilibrium when correct answers Diffusion
-- molecules are even
process of replacing the water of a vegetable with a concentrated salt solution correct
answers Osmotic dehydration
water moving into vegetables such as lettuce or celery to keep them crisp is an example
of correct answers osmosis
crispness is due to correct answers osmotic pressure
Fruits & veggies are graded by __________ on the basis of correct answers USDA
quality
firmness
,color
shape
lack of defect
Grades of
Canned fruit & veggie correct answers Grade A (Fancy)
Grade B (Choice)
Grade C (Standard)
Grade A/Fancy canned fruit & veg
uses... correct answers deserts, salads
Grade B/Choice canned fruit & veg uses... correct answers processed fruits or veg
Grade C/Standard canned fruit & veg uses... correct answers puddings & pie filling
Grades of
Fresh Fruit & Veggies correct answers Fancy
Extra #1
No. 1
Combination
No. 2
apples, bananas, peaches, & pears produce __________ amounts of ethylene gas
correct answers higher
grapes, strawberries, & citrus fruits produce __________ amounts of ethylene gas
correct answers lower
Environmental stresses that increase production of Ethylene Gas correct answers high
temperatures
wounding
How can consumers control the ripening effects of Ethylene Gas at home? correct
answers store most produce in refrigerator
place unripe produce on counter to achieve peak flavor
- (esp. banana, avocado, tomato, & pear)
If meat is sold across state lines, __________ is Mandatory correct answers USDA
inspection
__________ required that all states have inspection programs equal to that of the
federal government correct answers Wholesome Meat Act of 1967
, __________ ensures animal was healthy at slaughter & slaughtered under sanitary
condition correct answers Inspection
(via Wholesome Meat Act of 1967)
branch of USDA that inspects meat for safe processing, labeling, & packaging correct
answers Food Safety & Inspection Services
(FSIS)
act that brought about FSIS (Food Safety & Inspection Services) correct answers
Federal Meat Inspection Act
Round purple USDA stamp on meat indicates correct answers meat has passed
testing/inspection process
USDA seal on meat ensures that it is __________, __________, & __________ correct
answers Wholesome
Properly labeled
Not altered
T/F:
USDA inspection determines quality of meat correct answers FALSE!
Inspection only determines WHOLESOMENESS
indicates the QUALITY of meat product correct answers USDA Grading
agency responsible for grading Meat & Poultry correct answers Agriculture Marketing
Service (of USDA)
Grading of meat & poultry is based on...
- __________ of animal
- __________ of fat
- __________ & __________ correct answers maturity
marbling
color
texture
Grades of
Meat correct answers Prime
Choice
Select
Standard
