Question 1

Which of these vitamins is the only one which can be synthesized by the body under the skin in the presence of sunlight?

Accepted Answer

A)  Vitamin A 
B)  Vitamin D 
C)  Vitamin K 
D)  Vitamin E 
E)  Vitamin C 
A)  Vitamin A 
B)  Vitamin D 
C)  Vitamin K 
D)  Vitamin E 
E)  Vitamin C B

Question 2

A deficiency in this vitamin can result in a condition known as scurvy.

Accepted Answer

A)  Vitamin A 
B)  Vitamin D 
C)  Vitamin K 
D)  Vitamin E 
E)  Vitamin C 
A)  Vitamin A 
B)  Vitamin D 
C)  Vitamin K 
D)  Vitamin E 
E)  Vitamin C E

Question 3

How much energy is released by the digestion of proteins?

Accepted Answer

A)  1 Cal/gram 
B)  4 Cal/gram 
C)  8 Cal/gram 
D)  9 Cal/gram 
E)  0 Cal/gram 
A)  1 Cal/gram 
B)  4 Cal/gram 
C)  8 Cal/gram 
D)  9 Cal/gram 
E)  0 Cal/gram B

Question 4

Which of these vitamins acts as an antioxidant in the body?
I. Vitamin A
II.Vitamin D
III.Vitamin E
IV. Vitamin C

Accepted Answer

A)  II only 
B)  III only 
C)  II and III 
D)  III and IV 
E)  I and II 
A)  II only 
B)  III only 
C)  II and III 
D)  III and IV 
E)  I and II

Question 5

Which of these is not a characteristic of fiber?

Accepted Answer

A)  It contains beta links between glucose units. 
B)  It contains repeating glucose units. 
C)  It is a complex carbohydrate. 
D)  It is easily digestible. 
E)  It is a polysaccharide. 
A)  It contains beta links between glucose units. 
B)  It contains repeating glucose units. 
C)  It is a complex carbohydrate. 
D)  It is easily digestible. 
E)  It is a polysaccharide.

Question 6

Which of these is not characteristic of cholesterol?

Accepted Answer

A)  Cholesterol is synthesized in the liver. 
B)  Cholesterol is similar in structure to steroids. 
C)  Cholesterol is a component in cell membranes. 
D)  Cholesterol is easily dissolved in the blood stream. 
E)  Cholesterol is found in beef, eggs and dairy products. 
A)  Cholesterol is synthesized in the liver. 
B)  Cholesterol is similar in structure to steroids. 
C)  Cholesterol is a component in cell membranes. 
D)  Cholesterol is easily dissolved in the blood stream. 
E)  Cholesterol is found in beef, eggs and dairy products.

Question 7

Salt is a food additive which is often used as a(n) ____ especially while drying meats.

Accepted Answer

A)  antimicrobial agent 
B)  antioxidant 
C)  artificial color 
D)  artificial flavor 
E)  stabilizer 
A)  antimicrobial agent 
B)  antioxidant 
C)  artificial color 
D)  artificial flavor 
E)  stabilizer

Question 8

How much energy is required per pound to maintain basal metabolism?

Accepted Answer

A)  0.5 Cal/hour 
B)  1.0 Cal/hour 
C)  4.0 Cal/hour 
D)  9.0 Cal/hour 
E)  15 Cal/hour 
A)  0.5 Cal/hour 
B)  1.0 Cal/hour 
C)  4.0 Cal/hour 
D)  9.0 Cal/hour 
E)  15 Cal/hour

Question 9

Which of these substances is not a primary nutrient needed by plants?

Accepted Answer

A)  Potassium 
B)  Nitrogen 
C)  Magnesium 
D)  Phosphorous 
E)  Both A and D 
A)  Potassium 
B)  Nitrogen 
C)  Magnesium 
D)  Phosphorous 
E)  Both A and D

Question 10

What is the primary purpose of starch in plants?

Accepted Answer

A)  Structural support 
B)  Energy storage 
C)  Protective shell 
D)  Protein synthesis 
E)  Oxidation of monosaccharides 
A)  Structural support 
B)  Energy storage 
C)  Protective shell 
D)  Protein synthesis 
E)  Oxidation of monosaccharides

Question 11

A serving of low fat cream cheese contains 6 grams of fat and 3 grams of protein. What percentage of calories come from fat?

Accepted Answer

A)  12% 
B)  24% 
C)  50% 
D)  73% 
E)  82% 
A)  12% 
B)  24% 
C)  50% 
D)  73% 
E)  82%

Question 12

Which of these statements concerning triglycerides is incorrect ?

Accepted Answer

A)  Fats are digested relatively slowly. 
B)  Triglycerides are easily transported in the blood stream. 
C)  Fats and oils differ by the degree of saturation of fatty acid chains. 
D)  Fats are obtained from such foods as eggs, meat, butter, and cheese. 
E)  Digested triglycerides are often reassembled before absorption into the blood stream. 
A)  Fats are digested relatively slowly. 
B)  Triglycerides are easily transported in the blood stream. 
C)  Fats and oils differ by the degree of saturation of fatty acid chains. 
D)  Fats are obtained from such foods as eggs, meat, butter, and cheese. 
E)  Digested triglycerides are often reassembled before absorption into the blood stream.

Question 13

Which of these amino acids must be acquired from your diet?

Accepted Answer

A)  Tryptophan 
B)  Serine 
C)  Cytosine 
D)  Glycine 
E)  Proline 
A)  Tryptophan 
B)  Serine 
C)  Cytosine 
D)  Glycine 
E)  Proline

Question 14

Which of these vitamins is important in blood clotting?

Accepted Answer

A)  Vitamin A 
B)  Vitamin D 
C)  Vitamin K 
D)  Vitamin E 
E)  Vitamin C 
A)  Vitamin A 
B)  Vitamin D 
C)  Vitamin K 
D)  Vitamin E 
E)  Vitamin C

Question 15

Which of these is not a function which vitamin C fulfills in the body?

Accepted Answer

A)  Synthesis of collagen 
B)  Antioxidant 
C)  Facilitates iron absorption 
D)  Cures the common cold 
E)  Protects against infection 
A)  Synthesis of collagen 
B)  Antioxidant 
C)  Facilitates iron absorption 
D)  Cures the common cold 
E)  Protects against infection

Question 16

How many calories of energy over normal energy expenditure must be exerted to burn 1 pound of fat, assuming normal caloric intake?

Accepted Answer

A)  1000 Cal 
B)  1500 Cal 
C)  2500 Cal 
D)  3500 Cal 
E)  5000 Cal 
A)  1000 Cal 
B)  1500 Cal 
C)  2500 Cal 
D)  3500 Cal 
E)  5000 Cal

Question 17

Which of these is a major mineral?

Accepted Answer

A)  Carbon 
B)  Magnesium 
C)  Zinc 
D)  Iron 
E)  Iodine 
A)  Carbon 
B)  Magnesium 
C)  Zinc 
D)  Iron 
E)  Iodine

Question 18

Which of these is "table sugar"?

Accepted Answer

A)  Glucose 
B)  Fructose 
C)  Sucrose 
D)  Lactose 
E)  Starch 
A)  Glucose 
B)  Fructose 
C)  Sucrose 
D)  Lactose 
E)  Starch

Question 19

Which of these dairy products would be easily digested by a lactose intolerant person?

Accepted Answer

A)  Milk 
B)  Ice cream 
C)  Cream 
D)  Cheese 
E)  None of these 
A)  Milk 
B)  Ice cream 
C)  Cream 
D)  Cheese 
E)  None of these

Question 20

According to the second law of thermodynamics, food energy consumed must be used or it is

Accepted Answer

A)  stored as fat. 
B)  excreted from the body. 
C)  results in a fever. 
D)  converted to cholesterol. 
E)  expended during sleep. 
A)  stored as fat. 
B)  excreted from the body. 
C)  results in a fever. 
D)  converted to cholesterol. 
E)  expended during sleep.

Which of these vitamins is the only one which can be synthesized by the body under the skin in the presence of sunlight?

A deficiency in this vitamin can result in a condition known as scurvy.

How much energy is released by the digestion of proteins?

Which of these vitamins acts as an antioxidant in the body? I. Vitamin A II.Vitamin D III.Vitamin E IV. Vitamin C

Which of these is not a characteristic of fiber?

Which of these is not characteristic of cholesterol?

Salt is a food additive which is often used as a(n) ____ especially while drying meats.

How much energy is required per pound to maintain basal metabolism?

Which of these substances is not a primary nutrient needed by plants?

What is the primary purpose of starch in plants?

A serving of low fat cream cheese contains 6 grams of fat and 3 grams of protein. What percentage of calories come from fat?

Which of these statements concerning triglycerides is incorrect ?

Which of these amino acids must be acquired from your diet?

Which of these vitamins is important in blood clotting?

Which of these is not a function which vitamin C fulfills in the body?

How many calories of energy over normal energy expenditure must be exerted to burn 1 pound of fat, assuming normal caloric intake?

Which of these is a major mineral?

Which of these is "table sugar"?

Which of these dairy products would be easily digested by a lactose intolerant person?

According to the second law of thermodynamics, food energy consumed must be used or it is

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Exam 18: The Chemistry of Food

Which of these vitamins is the only one which can be synthesized by the body under the skin in the presence of sunlight?

A deficiency in this vitamin can result in a condition known as scurvy.

How much energy is released by the digestion of proteins?

Which of these vitamins acts as an antioxidant in the body? I. Vitamin A II.Vitamin D III.Vitamin E IV. Vitamin C

Which of these is not a characteristic of fiber?

Which of these is not characteristic of cholesterol?

Salt is a food additive which is often used as a(n) ____ especially while drying meats.

How much energy is required per pound to maintain basal metabolism?

Which of these substances is not a primary nutrient needed by plants?

What is the primary purpose of starch in plants?

A serving of low fat cream cheese contains 6 grams of fat and 3 grams of protein. What percentage of calories come from fat?

Which of these statements concerning triglycerides is incorrect ?

Which of these amino acids must be acquired from your diet?

Which of these vitamins is important in blood clotting?

Which of these is not a function which vitamin C fulfills in the body?

How many calories of energy over normal energy expenditure must be exerted to burn 1 pound of fat, assuming normal caloric intake?

Which of these is a major mineral?

Which of these is "table sugar"?

Which of these dairy products would be easily digested by a lactose intolerant person?

According to the second law of thermodynamics, food energy consumed must be used or it is

Molecular Reasons

The Chemists Toolbox

Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Organic Chemistry

Light and Color

Nuclear Chemistry

Energy for Today

Energy for Tomorrow: Solar and Other Renewable Energy Sources

The Air Around Us

The Liquids and Solids Around Us: Especially Water

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

The Chemistry of Household Products

Biochemistry and Biotechnology

Drugs and Medicine: Healing, Helping, and Hurting

Nanotechnology Online Only

Filters