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FN43 - 1.00 Food Analysis

Total questions: 32

Worksheet time: 16mins

Name
Class
Date
1.

Max found that water froze at 32°. Which temperature scale was he using?

a)

Celsius

b)

English

c)

Fahrenheit

d)

Kelvin

2.

Resistance to force measures assessment to texture, and stretchability measures:

a)

texture

b)

resistance of a mixture to flow

c)

elongation

d)

lightness or darkness

3.

Kelly needs to measure the volume of corn syrup. Which metric unit should she use?

a)

Grams

b)

Liters

c)

Newtons

d)

Pounds

4.

Susan needs to measure the volume of lemon juice, water, and sugar for an experiment. Which piece of equipment will she use?

a)

Beaker

b)

Erlenmeyer Flask

c)

Graduated Cylinders

d)

Test Tubes

5.

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:

a)

bottom of the meniscus

b)

middle of the meniscus

c)

top of the meniscus

d)

widest part of the meniscus

6.

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?

a)

Bean B proved to be the best replacement for lima beans.

b)

Can beans be simmered for 4 hours?

c)

Is bean A, B, or C the best substitute for lima beans?

d)

Test beans A, B, and C for quality.

7.

Bake-lite Cake Company conducted cooking trials for a new sugar substitute. They now need to conduct a proximate analysis in order to:

a)

control variables to ensure accurate results.

b)

determine the percentage of each ingredient.

c)

evaluate the new sugar substitutes.

d)

publish the test results.

8.

Which is an example of a safe way to handle glassware?

a)

Cool hot glass in lukewarm water

b)

Move hot beakers to storage for cooling

c)

Point test tubes toward people as they are heated

d)

Position glassware on burner before turning on heat

9.

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:

a)

control cooking variables.

b)

list ingredients used in each variation.

c)

precisely measure ingredients used.

d)

taste test all samples under identical conditions.

10.

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?

a)

Report the results

b)

State the research question

c)

Evaluate the results

d)

Conduct the experiment

11.

Which step of the experiment process involves choosing a control and variations?

a)

Defining the problem

b)

Designing the experiment

c)

Conducting the experiment

d)

Evaluating the results

12.

Which is a safe way to handle glassware?

a)

Cool hot glass in lukewarm water

b)

Move hot beakers to storage for cooling

c)

Point test tubes away from people as they are heated

d)

Preheat burners before heating glassware

13.

The difference between measuring pH and water activity is:

a)

pH measures acidity or basic concentration; water activity measures water pressure.

b)

pH measures elongation; water activity measures assessment to texture.

c)

pH measures lightness or darkness; water activity measures texture.

d)

pH measures water pressure; water activity measures acidity or basic concentration in food.

14.

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?

a)

Define the problem

b)

Evaluate the results

c)

Identify steps of experiment

d)

State the research question

15.

Which is an example of an objective measurement?

a)

Control variable

b)

Flavor preference

c)

Mass in grams

d)

Texture description

16.

Which lab safety rule helps safeguard food from contamination?

a)

Cool hot glass slowly.

b)

Put away all equipment.

c)

Return supplies to their proper places.

d)

Use food-grade equipment.

17.

Which step of the experiment process involves monitoring a control and variations?

a)

Defining the problem

b)

Designing the experiment

c)

Conducting the experiment

d)

Evaluating the results

18.

Which is an example of proximate analysis?

a)

Checking the percentage of sugar used

b)

Comparing taste of three variations

c)

Identifying controls and variables

d)

Listing experimental procedure to be followed

19.

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?

a)

Cultural

b)

Environmental

c)

Physical

d)

Psychological

20.

Which testing control will result in taste panelists who are fresh, alert, and relaxed?

a)

Conduct the panel in the morning.

b)

Mask sounds with soft music.

c)

Test even numbers of samples.

d)

Use large consumer groups.

21.

Which sample labeling system will result in the least psychological bias during sensory analysis?

a)

1 letter

b)

2-digit numbers

c)

3-digit numbers

d)

3 or more letters

22.

Which sample will provide the most intense flavors for comparison?

a)

Lasagna that is served piping hot

b)

Lasagna tested at 10 a.m.

c)

Lasagna tested under red lights

d)

Lasagna that is served warm

23.

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?

a)

Cultural

b)

Environmental

c)

Psychological

d)

Religious

24.

When conducting a taste test of new soft drink samples, which will result in the most valid results?

a)

Serving at room temperature

b)

Serving chilled

c)

Serving on ice

d)

Serving warm

25.

Which sample label will result in the least psychological bias during sensory analysis?

a)

AF

b)

2

c)

58

d)

614

26.

Which testing control will result in the most accurate prediction of the success of a new breakfast cereal?

a)

Age of panelists

b)

Colored lights

c)

Temperature of samples

d)

Trained testers

27.

What is the impact of sipping warm water between tasting samples of food?

a)

Clearing the mouth of food residue

b)

Cooling the mouth after testing hot foods

c)

Erasing the memory of previous flavors

d)

Intensifying food flavors

28.

What do subjective and objective analyses have in common?

a)

They require careful observation.

b)

They use metric measurements.

c)

They interpret personal bias.

d)

They involve accurate measurements.

29.

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?

a)

Cultural

b)

Environmental

c)

Physical

d)

Psychological

30.

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?

a)

Brittleness

b)

Chewiness

c)

Chroma

d)

Volatility

31.

Which type of taste panel is most likely used to determine the marketability of a new flavor of ice cream?

a)

Consumer

b)

Professional

c)

Research

d)

Supertaster

32.

Which causes analysis to be subjective rather than objective?

a)

Estimating time to bake

b)

Identifying liquids based on pH

c)

Measurement of irregular shaped objects

d)

Personal texture preferences