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ND FFA State Food Science 2024 Exam Flashcards | StudBud
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ND FFA State Food Science 2024 Exam
ND FFA State Food Science 2024 Exam
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1
What is the overarching goal that MyPlate.gov, the Physical Activity Guidelines,& the Dietary Guidelines aim to achieve?
More sleep
Fewer calories consumed per day
More physical activity
Energy balance
2
Freezing ________ enzymatic activity in a food product.
stops
has no effect on
deactivates
slows
3
Aspartame is comprised of which 2 amino acids?
Aspartic acid and phenylalanine
Lysine and phenylalanine
Alanine and phenylalanine
Asparagine and phenylalanine
4
When a company sanitizes equipment or a processing are, they are _________.
Implementing a dry pick up of debris
Treating with heat or chemicals to reduce the number of microbes present
Physically removing soil from the surface
Treating so the equipment and areas are free from all living microbes
5
What is the common name for 'saccharide'?
Fat
Protein
Sugar
Sodium
6
_________ is a compound commonly used to make no-salt seasonings because it contributes a salty flavor to foods.
Manganese chloride
Lithium chloride
Selenium chloride
Potassium chloride
7
GRAS is an acronym for ________________.
Generally Recognized As Safe
Genetic Removal of Antimicrobial Substance
Generally Recognized Antimicrobial Substance
Genetic Removal of Amylopectin Starch
8
Foams can be described as ___________, surrounded by a ___________ film.
Bubbles of air, Lipid
Proteins, Lipid
Bubbles of air, Protein
Proteins, Carbohydrates
9
The proportion of flour to liquid is lower in ___________ than in ______________.
Batters, Doughs
Doughs, Batters
Foams, Batters
Foams, Doughs
10
Acids develop as fruits mature. These acids __________________________________.
Increase sugar content and juice quality, affect color, & always raise pH
Increase sugar content and improve juice quality
Increase sugar content
Increase sugar content, improve juice quality, and affect color development
11
Which of the following sugars is not an example of a monosaccharide?
Galactose
Fructose
Glucose
Maltose
12
Which of the following represents the "Danger Zone"
45o - 145o
35o - 135o
40o - 140o
30o - 130o
13
Which of these sugars does not form crystals allowing it to be blown and spun into sugar creations
Isomalt
Xylitol
Sorghum Sugar
Honey
14
What is the definition of a compound
Substance that contains two or more elements that are chemically combined
Substance that contains three or more elements that are chemically combined
The process of mixing ingredients to make a medicine
None of the above
15
Which of the following is
NOT
true
Syneresis can make food tough
Syneresis is leakage of water from a gel
Syneresis can dry food
Syneresis is due to sublimation
16
A __________ is used to determine the cooking time and temperature needed to kill a specific microorganism.
Bacterial growth curve
Standard growth curve
Gompertz model
Thermal death curve
17
Enzymatic browning is a chemical reaction that results in the production of brown pigments called _________________
Melanins
Oxidases
Acrylamides
Bromelaids
18
Cellulose is indigestible and composed of ______________.
beta-glucose
beta-fructose
beta-lactose
beta-sucrose
19
__________ is a common method used to test the viscosity of mixtures such as ketchup.
Spectrophotometry
Gel electrophoresis
TBARS
The line-spread test
20
What is rennin?
Enzyme that breaks down proteins in milk
Enzyme that breaks down maltose
Enzyme that breaks down fat during lipolysis
Enzyme that breaks down lactose
21
What gas is often reduced in modified atmosphere packaging (MAP)?
Nitrogen
Carbon monoxide
Carbon dioxide
Oxygen
22
When a food contains all the indispensable amino acids, it is called a _____________
Incomplete protein
Incomplete food
Complete food
Complete protein
23
Which of the following examples would be considered a chemical hazard?
Salmonella found on lettuce
High levels of mercury in fish
Glass found in ground burger
Mold on bread
24
Which of the following best describes fatty acid?
Organic molecules with a carbon chain and a triglyceride at one end
Inorganic molecules with a carbon chain and a triglyceride at one end
Organic molecules with a carbon chain and a carboxyl group at one end
Inorganic molecules with a carbon chain and a carboxyl group at one end.
25
Cheese curds form when globular casein molecules untangle, allowing __________ to bind with milk fat and another one.
water attracting molecules
Nonpolar side chains
hydrophilic proteins
polar side chains
26
To keep chocolate from settlinging out of milk, __________ are added.
Stabilizers
Gelling Agents
Antioxidants
Foaming Agents
27
Retrogradation occurs because ____________________.
starch granules try to return to their pre-cooking structure
All of the above
a gel wasn't properly cooled
Too much starch was added to a product
28
Two Latin names are given to classify microbes. What is the genus and what is the species for Escherichia coli?
Genus = bacteria, species = Escherichia
Genus = Escherichia, species = coli
Genus = Escherichia, species = bacteria
Genus = coli, species = Escherichia
29
Which of the following is NOT one of the “4 Cs of Food Safety”?
Change
Clean
Chill
Cook
30
When carbs are not present as an energy source, the body goes into __________,which is a process of producing __________
Glycosis, Glycogen
Stress, Cortisol
Ketosis, Ketone bodies
Proteolysis, Protease
31
Product quality and shelf life can be the result of an effective sanitation program because ____________.
a reduction in the microbial population can occur.
probiotics are used to sanitize equipment.
all surfaces are irradiated during the sanitation process.
antimicrobials are directly added to the food product.
32
The space left in a container after adding food and sealing the top is called __________.
Dead space
Open space
Headspace
Voided space
33
During brown rice milling, a by-product called 'brokens' is made. While they have many uses, they normally make _______.
Rice flour
Fertilizer
Beer
Cereal
34
________ is a handbook through the FDA that gives up-to-date info about the major agents that cause foodborne illness.
Bad Bug Book
Microorganisms in Food
The Microbiology of Safe Food
Microbiological Specifications of Food Pathogens
35
Food is placed on heated trays or shelves called ________ when vacuum drying procedures are used.
Racks
Rollers
Platens
Platforms
36
Why does a dressing that consists of vinegar and oil separate?
Fat molecules in the oil are polar and vinegar molecules are nonpolar
Fat molecules in oil are nonpolar and vinegar molecules are polar
Fat molecules in the vinegar are nonpolar and the oil molecules are polar
Fat molecules in the vinegar are polar and the oil molecules are nonpolar
37
The human tongue can sense sour, sweet, salty, and bitter because it is covered in hundreds of ____________.
Microorganisms
Papillae
Flavor sensors
Pores
38
Pork is lighter in color than beef because it contains less ___________.
Fat
Blood
Myoglobin
Glycogen
39
Microbes that require high salt concentrations to function are called ______ and are used to make bean cakes in Asia
Halophilic
Psychrotropic
Thermophilic
Mesophilic
40
Clostridium botulinum spores can germinate and grow at a _________.
pH of ≤4.6 and in an aerobic environment
pH of ≤4.6 and in an anaerobic environment
pH of ≥4.6 and in an aerobic environment
pH of ≥4.6 and in an anaerobic environment
41
_________ are unstable flavor compounds formed when plant tissues are disrupted such as in chopped onions and garlic.
Allyl sulfides
Saponins
Terpenes
Tannins
42
What are the fat-soluble vitamins?
A, D, E K
C, D, E, K
A, C, D, E
A, C, E, K
43
Which of the following is NOT a function that water serves in the body?
Maintaining body temperature
Reactant in metabolism
Improving the quality of sleep
Transportation of nutrients
44
Which of the following best describes the research team in meta-analysis?
A research study conducted by 5 or university researchers
A research study that is conducted by the USDA or FDA with a university
A sensory study that has 1,000 or more research participants
Drawing overall conclusions by pooling results from individual studies
45
______________ is an international organization that sets global food rules to keep food safe and trade fair.
United States Department of Agriculture (USDA)
Codex Alimentarius
Hazard Analysis and Critical Control Points (HACCP)
United States Food and Durg Administration (USFDA)
46
A company is formulating a new food product labeled as low fat. This means ______________.
The amount of fat is nutritionally trivial
It contains 3g of fat or less per serving or 100g of food
It has no more than 25% of the fat of a comparable food
It has less than 0.5g of fat per serving
47
Which of the following is caused by a prion?
Hepatits
Salmonellosis
Rotavirus
Bovine spongiform encephalopathy
48
Food allergies are medicated by _________ antibodies to proteins.
IgA
IgE
IgG
IgM
49
EWhat does the acronym CRISPR stand for?
Check Regularly Inside Production Refrigerators
Clustered Regularly Interspaced Palindromic Repeats
Check Routinely Inside Production Refrigerators
Clustered Routinely Interspaced Palindromic Repeats
50
Using modern molecular biology to alter genetic material by removing, adding, or rearranging genes is called ___________
Genetic engineering
Nanotechnology
Whole genome sequencing
Non of the above