Question 1

Starch is a polysaccharide that does not provide energy to the body.

Accepted Answer

A) True 
 B)False

Question 2

Phytochemicals are plant compounds that have possible anti-carcinogenic properties.

Accepted Answer

A) True 
 B)False

Question 3

_____ dictates whether a substance is a solid, liquid, or gas.

Accepted Answer

A)  Specific heat 
B)  Molecular movement 
C)  Freezing point 
D)  Heat of solidification 
A)  Specific heat 
B)  Molecular movement 
C)  Freezing point 
D)  Heat of solidification

Question 4

Caffeine belongs to a group of compounds called oligosaccharides.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following proteins is classified as incomplete?

Accepted Answer

A)  amaranth 
B)  quinoa 
C)  soybeans 
D)  wheat berries 
A)  amaranth 
B)  quinoa 
C)  soybeans 
D)  wheat berries

Question 6

The presence of a broad spectrum of colors in food makes it more appetizing.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following reactions is not a function of protein during food preparation?

Accepted Answer

A)  hydration 
B)  denaturation and coagulation 
C)  buffering 
D)  browning 
E)  all of the above are protein functions 
A)  hydration 
B)  denaturation and coagulation 
C)  buffering 
D)  browning 
E)  all of the above are protein functions

Question 8

Hard water contains a greater concentration of calcium and magnesium compounds, whereas soft water has a higher _____ concentration.

Accepted Answer

A)  sodium 
B)  potassium 
C)  chloride 
D)  copper 
A)  sodium 
B)  potassium 
C)  chloride 
D)  copper

Question 9

The physiological purpose of eating and drinking is to replace those nutrients used up

Accepted Answer

A)  in the body's maintenance. 
B)  in the body's repair. 
C)  in the body's growth. 
D)  as energy. 
E)  all of the above answers are correct 
A)  in the body's maintenance. 
B)  in the body's repair. 
C)  in the body's growth. 
D)  as energy. 
E)  all of the above answers are correct

Question 10

The amount of energy in calories per gram that is absorbed or emitted as a substance undergoes a change from a solid to a liquid or gas is called

Accepted Answer

A)  latent heat. 
B)  specific heat. 
C)  melting point. 
D)  heat of vaporization. 
E)  heat of solidification. 
A)  latent heat. 
B)  specific heat. 
C)  melting point. 
D)  heat of vaporization. 
E)  heat of solidification.

Question 11

The primary disaccharides found in foods are

Accepted Answer

A)  sucrose, maltose, and lactose. 
B)  sucrose, glucose, and galactose. 
C)  glucose, raffinose, and sucrose. 
D)  glucose, fructose, and galactose. 
E)  lactose, stachyose, and raffinose. 
A)  sucrose, maltose, and lactose. 
B)  sucrose, glucose, and galactose. 
C)  glucose, raffinose, and sucrose. 
D)  glucose, fructose, and galactose. 
E)  lactose, stachyose, and raffinose.

Question 12

The primary six-carbon monosaccharides in foods are

Accepted Answer

A)  sucrose, maltose, and lactose. 
B)  sucrose, glucose, and galactose. 
C)  glucose, raffinose, and sucrose. 
D)  glucose, fructose, and galactose. 
E)  lactose, stachyose, and raffinose. 
A)  sucrose, maltose, and lactose. 
B)  sucrose, glucose, and galactose. 
C)  glucose, raffinose, and sucrose. 
D)  glucose, fructose, and galactose. 
E)  lactose, stachyose, and raffinose.

Question 13

Which of the following food items is/are not a colloidal dispersion?

Accepted Answer

A)  salad dressings 
B)  jam, gelatin, cheese, and butter 
C)  whipped egg white and whipped cream foams 
D)  marshmallows 
E)  all of the above are colloidal dispersions 
A)  salad dressings 
B)  jam, gelatin, cheese, and butter 
C)  whipped egg white and whipped cream foams 
D)  marshmallows 
E)  all of the above are colloidal dispersions

Exam 3: Chemistry of Food Composition

Starch is a polysaccharide that does not provide energy to the body.

Phytochemicals are plant compounds that have possible anti-carcinogenic properties.

_____ dictates whether a substance is a solid, liquid, or gas.

Caffeine belongs to a group of compounds called oligosaccharides.

Which of the following proteins is classified as incomplete?

The presence of a broad spectrum of colors in food makes it more appetizing.

Which of the following reactions is not a function of protein during food preparation?

Hard water contains a greater concentration of calcium and magnesium compounds, whereas soft water has a higher _____ concentration.

The physiological purpose of eating and drinking is to replace those nutrients used up

The amount of energy in calories per gram that is absorbed or emitted as a substance undergoes a change from a solid to a liquid or gas is called

The primary disaccharides found in foods are

The primary six-carbon monosaccharides in foods are

Which of the following food items is/are not a colloidal dispersion?

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