WorksheetsFood Science Ch 9 Complex Carbohydrates Test REVIEW
Total questions: 32
Worksheet time: 16mins
Forms the rigid structure of plants.
amylose
carbohydrate gum
cellulose
Binds batters to meat and vegetables during deep frying.
amylose
carbohydrate gum
pectin
Responsible for the texture of jams and jellies.
carbohydrate gum
polysaccharides
pectin
Thickens, stabilizes, and traps flavors and color in food products.
amylose
carbohydrate gum
pectin
Starches can be defined as _____.
(hint- "many")
monosaccharides
disaccharides
polymers of sugars
Syneresis is more likely to occur _____. (hint- "backwards")
when a starch mixture is cooled too rapidly
when there is extreme retrogradation
when there is a high level of amylopectin
The ability of some starch-water mixtures to thicken as they cool is called what?
retrogradation
gelatinization
viscosity
The test used by food scientists to measure the resistance to flow of a starch thickened mixture is called _____.
gelatinization
syneresis
viscosity
Which factor does NOT affect the ability of starch to thicken?
The size of crystals formed from a solution.
The pH level of the food.
The serving temperature.
Cellulose is indigestible but necessary for _____.
feeling full
helping in elimination of wastes
preventing stomach cancer
How many kilocalories per gram are provided by complex carbohydrates?
4
6
100
Pectin is _____.
an artificial additive derived from complex starches
found naturally within many fruits and vegetables
most commonly used in baked goods
Line-spread sheets are used to test what?
(hint- "flow")
retrogradation
solubility
viscosity
The leakage of liquid from a gel or paste as in ketchup and mustard is called _____.
gelatinization
syneresis
retrogradation
Starches with a branched structure are called _____.
amylopectin
granules
polymers
Another name for fiber is _____.
(hint- makes plant cells ridged)
amylose
cellulose
gums
Pectins are _____.
called sugar acids
derived from sugar
found naturally in plant cells
All of the above.
The function of gums in food is _____.
stabilizer and thickener
provide structure
caramelization
Which of the following is a function of complex carbohydrates?
Bind batters to foods during deep frying.
Stabilize ice cream.
Thicken liquids.
all the above
Which of the following factors can reduce a starch’s thickening ability?
Adding acid.
Heating to the gelatinization point.
Reducing salt content.
For pectin to gel, which of the following compounds must be present?
Acid, sugar, and water.
Calcium, sugar, and water.
Cellulose, sugar, and water.
An uncooked mixture of starch and water is called _____.
gel
paste
slurry
Retrogradation is undesirable _____.
in any food mixture
when it causes syneresis
in fruit gels
Which of the following starches will produce an opaque gel?
Potato starch.
Tapioca starch.
Wheat flour.
The measure of how much light passes through an object is _____.
translucency
syneresis
viscosity
Athletes should eat a high PROTEIN diet just before competition to provide energy.
True
False
The least viscous starch mixture is a "SOL".
True
False
The more a person exercises, greater amounts of GLYCOGEN will be stored in the muscles
True
False
Starches are selected for commercial use based on their what?
translucency
color
CELLULOSE is a polysaccharide made from b-D-glucose.
True
False
The temperature at which maximum swelling occurs is the
GELATINIZATION POINT.
True
False
Proteins provide the body with ENERGY.
True
False
