WorksheetsFood Science 2018 Knowledge test LRS
Total questions: 50
Worksheet time: 25mins
During the milling process of brown rice, a by-product called "brokens" are produced. While "brokens" are used for a variety of things, it is mostly used for the production of ___. (2018)
Beer
Cereal
Rice Flour
Fertilizer
A food scientist is analyzing multiple published research studies to determine which ingredient would provide the best functionality for a product. When the results of several individual studies are pooled to yield an overall conclusion, it is called _____. (2018)
coherent-analysis
A cumulative frequency distribution
meta-analysis
A correlation coefficient
Food products formulated to have a pH <4.6 will inhibit toxin production by ____. (2018)
Staphylococcus aureus
Clostridium botulinum
Listeria monocytogenes
Salmonella
Oils high in polyunsaturated fatty acids ___ than oils high in monounsaturated fatty acids. (2018)
will have lower melting points
will have more hydrogen atoms
are more dense
have more trans fatty acids
To keep chocolate from settling out of chocolate milk, ___ are added. (2018)
antioxidants
foaming agents
gelling agents
stabilizers
A ___ is a dye, pigment or other substance, which is capable of imparting color when added or applied to food. (2018)
Color additive
colorant
Secondary direct food additive
Processing aid
____ contribute(s) to bitter flavors in tea and coffee.(2018)
Caproic and caprylic fatty acid ethyl esters
Carotenoids
Trans 2- hexenal
Polyphenols
The GRAS list is continually under constant revision. FDA recommends Class 5 ingredients ___. (2018)
Be considered safe at present and anticipated levels of use
Be safe at current use levels, but evaluate if any increase in use could be hazardous
Have restricted use and require more research
Be removed from the GRAS list
High levels of mercury in a fish product is considered a ___ Hazard. (2018)
Biological
Physical
Chemical
Radiological
It is the responsibility of the ___ to ensure that all ingredients used are of food grade purity and comply with specifications and limitation in all applicable authorizations. (2018)
FDA
USDA FSIS
Manufacturer of any food
FFDCA
___ is bright orange in color and found in foods from plant sources. (2018)
Retinol
Beta-carotene
Ergocaliciferol
Cobalamin
Which is a true statement? (2018)
A food with a higher fat content will freeze slower than a similar food with a lower fat content
Increase airflow in a freezer, decreases freezing rate of food
The thinner a product is, the longer it will take to freeze in the center
Water conducts heat away from food slower than fat.
An iridescent look on the surface of slices meat means. (2018)
The quality has declined in the product
There are pigments in meat compounds causing iridescence when exposed to heat and processing
There is a safety concern and the meat should not be consumed
Oil has been spread on the meat surface
A ___ like compound made of short - and long-chain acid triglyceride molecules is known by the acronym SALATRIM. (2018)
Protein
Fat
Starch
Sweetener
Microbes that require high salt concentrations to function are called ___ and are used to make bean cakes in Asia. (2018)
Halophilic
Psychrotrophic
Thermophilic
Mesophilic
Gluten is a protein made up of ___ that provides texture to bread. (2018)
Glutenin and gliadin
Globulin and albumin
Glutenin and globulin
Gliadin and albumin
When analyzing product texture, ____ refers to how well one part of a good slides past another without breaking. (2018)
Firmness
Bitterness
Graininess
Chewiness
The complete destruction of all microbes in food processing is completed through ____. (2018)
Blanching
Pasteurization
Sterilization
Commercial sterilization
The temperature range in which most bacteria can grow, also known as the danger zone, is defined by the FDA as ___. (2018)
70 F- 120 F
85 F- 115 F
55 F- 125 F
40 F- 140 F
A food processor is using water as part of a product formulation. GMPs require that this water be suitable or safe for drinking. This is also known as ____ water. (2018)
Sanitary
Palatable
Comestible
Potable
Food scientists recently developed a MRE pizza at least having at least a three-year shelf life for the military. What does MRE mean? (2018)
Military ready to eat
Meal ready to eat
Meal real time eating
Military ready to export
In the baking industry, proteases ___ gluten, enabling dough to rise faster. (2018)
Conjugate
Agglomerate
Bind
Hydrolyze
The process of piercing meat with needles or sharp blades to break up muscle fibers is called ___. (2018)
Grinding
Mechanical tenderization
Emulsification
Tumbling
Ground beef turns from a bright cherry red color to brown or ___ due to prolonged exposure to oxygen. (2018)
Myoglobin
Deoxymyoglobin
Oxymyoglobin
Metmyoglobin
Which of the following sugars is not an example of a monosaccharide? (2018)
Galactose
Fructose
Maltose
Glucose
Milk chocolate must contain at least ___ cocoa liquor. (2018)
10%
20%
35%
45%
Which of the following is an example of a non-newtonian fluid? (2018)
Water
Olive oil
Corn starch suspension
Vinegar
To carry out certain provisions of the ___, food facilities that manufacture, process, pack, or hold food are required to be registered. (2018)
FDA
FSMA
Bioterrorism Act
Food, Drug, and Cosmetic Act
The functionality of carrageenan in a gummy bear is to provide ___. (2018)
Flavor
Texture
Color
Antimicrobial activity
___ are poisonous substances produced by certain molds found primarily on grain and nut crops, but many also be on celery, grape, and apples. (2018)
Scrombrotoxins
Ipomeamarones
Mycotoxins
Ciguatera toxins
___ are (is) commonly used in soft drinks to stop the growth of yeast and bacteria. (2018)
Sulfites
Humectants
Benzoic acid
Calcium propionate
A small amount of gelatin may be added to beer and processed apple juice to complex with ___ that can cloud these beverages; the complex is then filtered out. (2018)
Terpenes
Isocyanates
Saponins
Tannins
The reaction between proteins and carbohydrates that causes food to brown is called? (2018)
The Maillard reaction
Caramelization
Crystallization
Proteolysis
When a company sanitizes equipment or a processing area, they are ___. (2018)
Physically removing soil from the surface
Treating with heat or chemicals to reduce the number of microbes present
Implementing a dry pickup of debris
Treating so the equipment and processing are free from all living microbes
A company is formulating a new food product labeled as low fat. This means ___. (2018)
The amount of fat is nutritionally trivial
It contains 3 g of fat or less per serving or 100 g of food
It has no more than 25% of the fat of a comparable food
It has less than 5.0 of fat per serving
Which of the following is not a true statement? (2018)
Syneresis is leakage of water from a gel
Syneresis can toughen food
Syneresis can dry food
Syneresis is due to ice sublimation
Prior to 1991, ___ solder was commonly used to seal the seams on tin cans for food. (2018)
Steel
Tin
aluminum
Lead
Foodborne illness may occur if a food plant employee is a carrier of ____, a predominant bacterial species normally present on the skin. (2018)
E. coli O157:H7
Salmonella sp.
Campylobacter jejuni
Staphylococcus aureus
Food product dating is ___. (2018)
Requited for all good products
Requited for all meat products
Required for all infant formulas
Requited for all products that are consumed, regardless of product tupe
Which of the following is not a true statement? (2018)e
Naturally occurring sugars have a different caloric content than commercially produced sugars
Table sugar (white granulated sugar) is primarily produced from sugar cane and sugar beets
Lactose only occurs in milk
Fructose is the sweetest of naturally occurring sugars
The measure of water vapor in air, also known as ____, affects the storage shelf life of perishable foods. (2018)
Humidity
Dew point
Water activity
Partial pressure
Which of these sugars does not form crystals, allowing is to be blown and spun into sugar creations? (2018)
Isomalt
Honey
Sorghum syrup
Xylitol
Heat sensitive products such as milk, eggs, and protein powders are usually dried using ___ dying to reduce nonenzymatic browning and caramelization of the finished product. (2018)
Tray
Belt
Drum
Spray
The USDA FSIS ensures that ____ is wholesome, safe, and properly labeled. (2018)
Meat, poultry, and seafood
Meat, poultry, and the processed egg supply
Meat, poultry, and shellfish
Meat, poultry, and the shell egg supply
Packaging materials for food products are regulating by the ___. (2018)
FDA
FSIS
EPA
CDC
Prions from cattle are believed to be responsible for a rare disease called ____ in humans. (2018)
Mad cow disease
Variant Creutzfeldt-Jakob disease
Bovine spongiform encephalopathy
Prion disease
The ____ is a handbook available though the FDA that provides current information about the major known agents that cause foodborne illness. (2018)
Microbiological specifications of Food Pathogens
Microorganism in Food
The Microbiology of Safe Food
Bad Bug Book
____ conditions are necessary for a foam to remain stable. (2018)
Two
Three
Four
Five
____ aid(s) in the extraction of oil from olives. (2018)
Cellulase
Amyloglucosidase
Pectic enzymes
Catalase
Eggs labeled "free-range" means that the eggs were produced from chickens that were raised ___. (2018)
Inside houses without cages
Inside houses with access to the outside
By feeding organic feed
Without the use of antibiotics
