Question 1

Which of the following statements best describes a monosaccharide?

Accepted Answer

A carbohydrate that cannot be broken down into smaller carbohydrates and has the general formula $C_n(H_2O)_n$ where $n \geq 3$.

Question 2

Which carbohydrate class is directly responsible for determining human blood types (ABO)?

Accepted Answer

Oligosaccharides

Question 3

Which of the following is TRUE about dietary fibers?

Accepted Answer

Soluble fiber slows sugar and cholesterol absorption into the bloodstream.

Question 4

What is the general formula for a monosaccharide?

Accepted Answer

$C_n(H_2O)_n$, where $n$ is a whole number 3 or higher

Question 5

Which polysaccharide is found in plant cell walls and is an insoluble fiber that humans cannot digest?

Accepted Answer

Cellulose

Question 6

Which of the following foods is high in soluble fiber?

Accepted Answer

Oatmeal

Question 7

Which statement correctly describes the difference between soluble and insoluble fiber?

Accepted Answer

Soluble fiber forms a gel-like substance in the digestive tract, while insoluble fiber does not mix with water.

Question 8

Which carbohydrate is a disaccharide that can be hydrolyzed into glucose and fructose?

Accepted Answer

Sucrose

Question 9

Which of the following is a correct description of starch?

Accepted Answer

A polysaccharide in plants containing branched chains of glucose that can be broken down to produce energy.

Question 10

Which carbohydrate class contains 10 or more monosaccharide units and can be either branched or unbranched?

Accepted Answer

Polysaccharides

Question 11

A patient is advised to increase their intake of insoluble fiber to prevent constipation. Which food would be most appropriate?

Accepted Answer

Brown rice

Question 12

Which of the following is NOT a characteristic of monosaccharides?

Accepted Answer

They are composed of three or more monosaccharide units.

Question 13

Which carbohydrate is most likely to be found in the exoskeleton of insects and crustaceans?

Accepted Answer

Chitin

Question 14

Which of the following statements is TRUE regarding the structure of polysaccharides?

Accepted Answer

Polysaccharides can be either continuous chains or branched chains of monosaccharide units.

Question 15

Which carbohydrate is used as a marker for blood types and contains three to nine monosaccharide units?

Accepted Answer

Oligosaccharide

Question 16

Which of the following is a correct pairing of carbohydrate class and example?

Accepted Answer

Polysaccharide – Starch

Question 17

Which carbohydrate class is most likely to be involved in energy storage in plants?

Accepted Answer

Polysaccharides

Question 18

Which of the following statements about starch is FALSE?

Accepted Answer

Starch is a disaccharide composed of glucose and fructose.

Question 19

Which carbohydrate is a major component of dietary fiber and cannot be digested by human enzymes?

Accepted Answer

Cellulose

Question 20

Which of the following is a correct description of oligosaccharides?

Accepted Answer

Carbohydrates containing three to nine monosaccharide units.

Carbohydrates: Structure, Classification, and Dietary Importance

Study Guide - Practice Questions