5.1

Question 1

what type of natural pigment that is most commonly associated with carrots, peppers, and tomatoes?

Answer 1

carotenoids

Question 2

Character impact compounds are single compounds that convey aroma of foods. The character impact compound that represents almond best is…

Answer 2

benzaldehyde

Question 3

what is orthonasal perception

Answer 3

Aroma that is perceived by the nose before it enters the mouth

Question 4

what is an example of a non-Newtonian food that shows change in viscosity as shear rate is increased

Answer 4

applesauce

Question 5

A decrease in response under conditions of constant stimulation occurs with smell as well as taste. This decrease is called

Answer 5

adaption

Question 6

The law of conservation of energy states that

Answer 6

energy cannot be created nor destroyed

Question 7

what is selective breeding

Answer 7

animal biotechnology that facilitates breeding of the healthiest and most productive livestock but where the genetic makeup of the animal is not changed in any way

Question 8

what are affective or hedonic tests

Answer 8

Examples of affective or hedonic tests include consumer tests to determine preferences for various food or beverage products. The “Pepsi challenge is an example of a preference test used in marketing research

Question 9

Which term is related to the friction within a fluid that prevents it from flowing freely?

Answer 9

viscosity

Question 10

Which type of papillae on the tongue does not have any taste buds

Answer 10

filliform

Question 11

what is not considered a benefit of food biotechnology

Answer 11

increasing foods

Question 12

how many calories are in a kilojule

Answer 12

239

Question 13

This enzyme can produce better quality cheese than animal rennet, was approved by the FDA in 1990

Answer 13

chymosin

Question 14

A sensory test in which 75-150 human subjects are asked if the product is liked or which sample is their preference would be called a

Answer 14

consumer acceptance test

Question 15

Based on composition and the fact that microwave ovens are effective because they heat foods that contain water, what does not heat well in a microwave oven?

Answer 15

vegetable oil

Question 16

what is NOT used as a water treatment method for food processing companies

Answer 16

genetic engineering

Question 17

Combining DNA molecules from different sources into one molecule in a test tube is called

Answer 17

using recombinant DNA technology

Question 18

The use of various scientific techniques to produce specific desired traits in plants, animals or microorganisms through the use of genetic knowledge is called

Answer 18

food biotechnology

Question 19

The sensory scientist may use quinine to train panelists to recognize which taste?

Answer 19

bitterness

Question 20

Sensory panels are used to measure quality because the results are relevant to

Answer 20

consumer acceptability

Question 21

One choice of units used by food engineers to measure heat energy is

Answer 21

kilo joules

Question 22

Small groups used to decide which product concepts to reject or develop are called

Answer 22

focus groups

Question 23

The hardness of unripe peaches, toughness of some meat cuts, and lumpiness of poorly mashed potatoes is related to which important quality characteristic?

Answer 23

texture

Question 24

Heat input that does not result in a change of state (freezing/melting or condensing/boiling) but is change that can be detected by touch is called

Answer 24

sensible heat

Question 25

how safe is food derived from healthy clones of cattle, swine and goats

Answer 25

The food products derived from healthy clones of cattle, swine and goats is as safe as food from non-cloned animals according to a risk assessment conducted by EPA, FDA and USDA in 2008

Question 26

The transfer of heat energy by electromagnetic radiation is exemplified by

Answer 26

sunlight

Question 27

a test method that is used to determine the level at which an ingredient can be detected or recognized is called a

Answer 27

threshold test

Question 28

what is an example of mass transfer

Answer 28

evaporation of water

Question 29

The type of discrimination test that is arranged for panelists to select the sample that has more or less of a particular characteristic is known as

Answer 29

paired comparison tests

Question 30

what is the focus of the field of psychometrics

Answer 30

evaluating thermodynamic properties of mixed gases present in air and an application of this is the evaporation of water from food

Question 31

Flavor is the combination of aroma and

Answer 31

taste

Question 32

The amount of heat energy necessary to speed up materials molecules enough to raise the temperature of a mass of the material by one degree celsius is known as

Answer 32

heat capacity

Question 33

A time-consuming sensory test that provides detailed quantitative information using 8-12 trained panelists who were screened for their acuity and answers the question of how products differ in sensory attributes would be called a

Answer 33

descriptive test

Question 34

Studying the effectiveness of zinc oxide nanoparticles against E. coli 0157:H7 is an example of food research related to

Answer 34

food safety

Question 35

This term describes a food or beverage product containing ingredients or structures that increase bioavailability of drugs or nutraceuticals

Answer 35

excipient food

Question 36

Which of the following is an example of a Newtonian food that shows no change of viscosity (thinning or thickening) as the shear rate is increased?

Answer 36

vegetable oil

Question 37

Which of the following food processing industries generates whey which may be converted into valuable by-products rather than useless waste products?

Answer 37

cheese manufacturers

Question 38

Arranging five samples in order of saltiness is an example of measuring data according to

Answer 38

rank

Question 39

What is not an example of a discrimination test?

Answer 39

hedonic test

Question 40

The type of discrimination test that is arranged for panelists to select the sample that is the most different is known as a

Answer 40

triangle test

Question 41

Which of the following is not used as a water treatment method for food processing companies?

Answer 41

bioprocessing

Question 42

Character impact compounds are single compound that convey aroma of foods. The character impact compound that represents vanilla best is

Answer 42

vanillin

Question 43

what is anosmia

Answer 43

The condition where some people lack or lose the ability to smell.

Question 44

what is thermal radiation

Answer 44

Thermal radiation describes the electromagnetic radiation that has been observed to be emitted at the surface of a body that has been thermally excited

Question 45

The form of energy associated with motion and is one of the two basic forms of energy is called

Answer 45

Kinetic energy

Question 46

Which term refers to the study of flow and deformation characteristics of foods?

Answer 46

rheology

Question 47

Besides having more trigeminal nerve endings that normal, supertasters have an extreme sensitivity to which chemical

Answer 47

n-propylthiouracil (PROP)

Question 48

The transfer of heat energy from molecule to molecule uses which method?

Answer 48

conduction

Question 49

Character impact compounds are single compound that convey aroma of foods. The character impact compound that represents banana best is

Answer 49

Isoamyl acetate