WorksheetsFN43 - 1.00 Food Analysis
Total questions: 32
Worksheet time: 16mins
Max found that water froze at 32°. Which temperature scale was he using?
Celsius
English
Fahrenheit
Kelvin
Resistance to force measures assessment to texture, and stretchability measures:
texture
resistance of a mixture to flow
elongation
lightness or darkness
Kelly needs to measure the volume of corn syrup. Which metric unit should she use?
Grams
Liters
Newtons
Pounds
Susan needs to measure the volume of lemon juice, water, and sugar for an experiment. Which piece of equipment will she use?
Beaker
Erlenmeyer Flask
Graduated Cylinders
Test Tubes
To measure volume accurately in a beaker, Ben places the beaker on a level surface at eye level. An additional step that is necessary with a graduated cylinder is to look at the:
bottom of the meniscus
middle of the meniscus
top of the meniscus
widest part of the meniscus
A company needed to find an alternative bean to use for lima beans in its soup formulation. Which statement is an example of a research question for this problem?
Bean B proved to be the best replacement for lima beans.
Can beans be simmered for 4 hours?
Is bean A, B, or C the best substitute for lima beans?
Test beans A, B, and C for quality.
Bake-lite Cake Company conducted cooking trials for a new sugar substitute. They now need to conduct a proximate analysis in order to:
control variables to ensure accurate results.
determine the percentage of each ingredient.
evaluate the new sugar substitutes.
publish the test results.
Which is an example of a safe way to handle glassware?
Cool hot glass in lukewarm water
Move hot beakers to storage for cooling
Point test tubes toward people as they are heated
Position glassware on burner before turning on heat
Bake-lite Cake Company is setting up cooking trials for a new sugar substitute. They want to compare the quality of cakes baked with a new sugar substitute to Splenda®. To conduct a proximate analysis the technician needs to:
control cooking variables.
list ingredients used in each variation.
precisely measure ingredients used.
taste test all samples under identical conditions.
After defining the problem, a research team is going to study "Which formula has the most appealing taste?" Which step in the experimental process is this?
Report the results
State the research question
Evaluate the results
Conduct the experiment
Which step of the experiment process involves choosing a control and variations?
Defining the problem
Designing the experiment
Conducting the experiment
Evaluating the results
Which is a safe way to handle glassware?
Cool hot glass in lukewarm water
Move hot beakers to storage for cooling
Point test tubes away from people as they are heated
Preheat burners before heating glassware
The difference between measuring pH and water activity is:
pH measures acidity or basic concentration; water activity measures water pressure.
pH measures elongation; water activity measures assessment to texture.
pH measures lightness or darkness; water activity measures texture.
pH measures water pressure; water activity measures acidity or basic concentration in food.
Linda finished her experiment and determined that a certain packaging increased the shelf-life of a product. Which step in the experimental process is this?
Define the problem
Evaluate the results
Identify steps of experiment
State the research question
Which is an example of an objective measurement?
Control variable
Flavor preference
Mass in grams
Texture description
Which lab safety rule helps safeguard food from contamination?
Cool hot glass slowly.
Put away all equipment.
Return supplies to their proper places.
Use food-grade equipment.
Which step of the experiment process involves monitoring a control and variations?
Defining the problem
Designing the experiment
Conducting the experiment
Evaluating the results
Which is an example of proximate analysis?
Checking the percentage of sugar used
Comparing taste of three variations
Identifying controls and variables
Listing experimental procedure to be followed
Alex became seriously ill after eating tacos and now dislikes Mexican food. This bias will impact his ability to judge fairly in which area of influence in sensory analysis?
Cultural
Environmental
Physical
Psychological
Which testing control will result in taste panelists who are fresh, alert, and relaxed?
Conduct the panel in the morning.
Mask sounds with soft music.
Test even numbers of samples.
Use large consumer groups.
Which sample labeling system will result in the least psychological bias during sensory analysis?
1 letter
2-digit numbers
3-digit numbers
3 or more letters
Which sample will provide the most intense flavors for comparison?
Lasagna that is served piping hot
Lasagna tested at 10 a.m.
Lasagna tested under red lights
Lasagna that is served warm
The school cafeteria has dyed most of the food green for St. Patrick’s Day. The janitor noticed that more of the mashed potatoes were thrown in the trash than usual. Which influence on food likes and dislikes has altered the students’ diets?
Cultural
Environmental
Psychological
Religious
When conducting a taste test of new soft drink samples, which will result in the most valid results?
Serving at room temperature
Serving chilled
Serving on ice
Serving warm
Which sample label will result in the least psychological bias during sensory analysis?
AF
2
58
614
Which testing control will result in the most accurate prediction of the success of a new breakfast cereal?
Age of panelists
Colored lights
Temperature of samples
Trained testers
What is the impact of sipping warm water between tasting samples of food?
Clearing the mouth of food residue
Cooling the mouth after testing hot foods
Erasing the memory of previous flavors
Intensifying food flavors
What do subjective and objective analyses have in common?
They require careful observation.
They use metric measurements.
They interpret personal bias.
They involve accurate measurements.
Erin has a large number of taste buds per square centimeter. This makes her a supertaster. In which influence in sensory analysis will she have an advantage?
Cultural
Environmental
Physical
Psychological
Marcia has a sensory evaluation form she used from a brownie sample test. Which sensory characteristic needs to be added for evaluating snack cracker samples?
Brittleness
Chewiness
Chroma
Volatility
Which type of taste panel is most likely used to determine the marketability of a new flavor of ice cream?
Consumer
Professional
Research
Supertaster
Which causes analysis to be subjective rather than objective?
Estimating time to bake
Identifying liquids based on pH
Measurement of irregular shaped objects
Personal texture preferences
