PRACTICE EXAM QUESTIONS AND
CORRECT VERIFIED ANSWERS |
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Results of the developments and discoveries over time have given us a food supply in the US
that is which of the following. - CORRECT ANSWER Safe and nutritious
Varied and economical
A and B
Which of the following is a not a reason why we produce diagrams of a process flow? -
CORRECT ANSWER So we don't have to interact with other operators
As defined in lecture, evolution involves which of the following: - CORRECT ANSWER Change in
inherited characteristics over time
,Food science encompasses many disciplines and can be described as - CORRECT ANSWER
Interdisciplinary
What is the natural occurring mineral used for preservation and flavor, first harvested in the era
of Accidental Discovery - CORRECT ANSWER Salt
What evolutionary process is shown in the diagram?
(Teosinate)--> (Intermediates)--> (Modern Corn) - CORRECT ANSWER Artificial selection
What evolutionary process is shown in the following diagram? (So the giraffes with really short
necks eventually died out and the ones with long necks survived because they were able to get
food and fight better.) - CORRECT ANSWER Natural selection
Food provides ENERGY necessary for all but which of the following: - CORRECT ANSWER Sense
of humor
What term describes the evolution of food relating to the evolution of humans? - CORRECT
ANSWER Co-evolution
Throughout the ages, several discoveries were made to feed large groups of people in what
profession? - CORRECT ANSWER Military
In the U.S., what is today's biggest challenge in nutrition? - CORRECT ANSWER Obesity
What do we still consumer that was an accidental discovery due to yeast and grain? - CORRECT
ANSWER Beer and bread
What is the main difference between food science and food technology? - CORRECT ANSWER
Science is the study of food where as technology is the application
,What food did Louis Pasteur pasteurize that significantly lowered infant mortality? - CORRECT
ANSWER Milk
Identify the diagram that represents the current USDA guidelines for proper nutrition which
were first introduced in the 1990's. - CORRECT ANSWER (My plate)
What was discovered during the dawn of science era and is still an issue today? - CORRECT
ANSWER Food adulteration
What is the part of the experiment that provides a standard of comparison and is the natural
state of the independent variable? - CORRECT ANSWER Control Variable
When testing with an experiement, why do we want to develop and follow a procedure? -
CORRECT ANSWER So we have a set process.
In Twinkie manufacturing, adding milk instead of water, will cause a change in the vanilla flavor,
moisture content and texture of the Twinkie.
What is/are the control variable(s) - CORRECT ANSWER Water
Identify the output(s) in the following diagram - CORRECT ANSWER A and C (outer shell and
inner skin; cashew kernel)
What is the part of the experiment that changes because of the independent variable? You
observe or measure this part to collect data - CORRECT ANSWER Dependent variable
Identify the unit operation(s) in the following diagram.Identify the unit operation(s) in the
following diagram. - CORRECT ANSWER Shelling machine and roaster
, What is the scientific method? - CORRECT ANSWER A logical series of steps to CORRECT
ANSWER questions
Put the steps of the scientific process in order - CORRECT ANSWER 1. Problem/Question
2. Observation/Research
3. Formulate a Hypothesis
4. Experiment
5. Collect and Analyze Results and Draw Conclusions
6. Communicate the Results
What is the part of the experiment that remains the same through out to prevent affecting the
outcome? - CORRECT ANSWER constant
If the hypothesis is determined false or partially true, what step do you return to in order to
continue your research? - CORRECT ANSWER Construct hypothesis
In Twinkie manufacturing, adding milk instead of water, will cause a change in the vanilla flavor,
moisture content and texture of the Twinkie.
What is/are the independent variable(s)? - CORRECT ANSWER Milk
In Twinkie manufacturing, adding milk instead of water, will cause a change in the vanilla flavor,
moisture content and texture of the Twinkie.
What is/are the dependent variable(s) - CORRECT ANSWER Vanilla flavor, moisture content,
texture