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| A unit used to measure heat where one unit is the amount of heat to raise 1 gram of water by 1 degree C. |
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The fact that heat flows from hot objects to cold ones is stated in the second law of thermodynamics. |
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| Foods containing significant levels of biologically active compounds that impart health benefits beyond our basic needs for sufficient calories, essential amino acids, vitamins, and minerals are... |
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| Which of the following is NOT an example of mechanical sensory characteristics? |
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T/F:
Examples of effective or hedonic are either discrimination tests or descriptive tests... |
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| Which of the following has not involved the use of biotechnology in its manufacture? |
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Reflected light is needed for receptors in the eye to communicate information to the brain |
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| The concern of the introduction of StarLink corn into human foods was largely due to |
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| The enzyme used to repair DNA strands that have been cut by restriction enzymes is |
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| Based on composition and the fact that microwave ovens are effective because they heat foods that contain water, which one of the following does not heat well in a microwave oven? |
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Canning, drying, and frying are unit operations where knowledge of heat transfer is used by food engineers for the design of optimum processing systems |
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| When conducting a professional sensory test, which of the following is true? |
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Definition
| Everything is standardized except the variable under evaluation |
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The field of psychometrics is not concerned with evaluating thermodynamic properties of mixed gases present in air |
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| A genetically modified organism (GMO) is an organism whose genetic material has been altered using the technique known as... |
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Definition
| Recombinant DNA technology |
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Consumer tests are an example of effective tests because they quantify the degree of liking or disliking of one product over another and utilize untrained panelists |
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| This is one of the five "basic" tastes associated with food and is like a cup of chicken broth |
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| On the Celsius scale, the normal boiling point for water is |
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| The type of sensory testing that uses trained judges to describe characteristics (What is different?) of foods |
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| Which of the following is true? Food biotechnology may... |
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Viscosity is not related to the friction within a fluid that prevents it from flowing freely |
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| These properties reflect the ability to store and dissipate electrical energy |
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Preference, ranking, and rating are examples of effective tests that quantify the degree of liking or disliking of one product over another |
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| With regards to the risks associated with genetic engineering, the transfer of human genes to other organisms is an example of... |
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Definition
| Ethical concern or moral concern |
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T/F:
Product development is the process in which new food products are generated, created, and marketed
(may be worded differently) |
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| If a reference sample is identified and served to a taste panel followed by two additional samples (but one is different), what is the name for this type of sensory test? |
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| This method is a way to propagate genetically engineered embryos in one or more surrogates |
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| In order to improve the success of a new product, marketing specialists should identify which of the following? |
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A triangle test, duo-trio test, or paired comparison are used for difference (discrimination) resting in sensory evaluation |
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| Which of the following is NOT a physical property of air that is represented on psychometric charts? |
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A novel introduction is a new form of an established product and often has a success rate greater than line extensions |
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Product development is defined as the scientific discipline used to evoke, measure, analyze, and interpret human reactions to those characteristics of foods and beverages as they are perceived by the senses of sight, smell, taste, touch, and hearing |
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| The ability for plants to generate their own insecticide can be accomplished by genetic transfer of genes from which of the following microorganisms? |
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| The study of flow and deformation characteristics of foods is... |
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T/F:
Voluntary labeling is applicable if genetic manipulation changes the food significantly |
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| Flavor is a complex response that is derived by human perception of... |
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