Question 1

Which class of carbohydrate is represented by a single square (monomer) in a chemical structure diagram?

Accepted Answer

Monosaccharide

Question 2

Starch is primarily found in which part of a wheat grain?

Accepted Answer

Endosperm

Question 3

Which of the following best describes the chemical structure of glycogen?

Accepted Answer

A highly branched polymer of glucose with $\alpha$-1,4$ and $\alpha$-1,6-glycosidic bonds

Question 4

Which of the following is NOT a polysaccharide?

Accepted Answer

Sucrose

Question 5

What is the main structural difference between starch and fiber?

Accepted Answer

Starch contains $\alpha$-glycosidic bonds, while fiber contains $\beta$-glycosidic bonds

Question 6

Why can't humans digest fiber as efficiently as starch?

Accepted Answer

Humans lack enzymes to break $\beta$-glycosidic bonds in fiber

Question 7

Which of the following is a soluble fiber?

Accepted Answer

Pectin

Question 8

Where is glycogen primarily produced and stored in the human body?

Accepted Answer

Liver and muscles

Question 9

Which of the following best defines a glycosidic bond?

Accepted Answer

A covalent bond formed between two monosaccharides

Question 10

Which of the following is an example of an oligosaccharide?

Accepted Answer

Raffinose

Question 11

Which class of carbohydrate do amylose and amylopectin belong to?

Accepted Answer

Polysaccharides

Question 12

Which of the following is NOT a function of dietary fiber?

Accepted Answer

Provides a rapid source of glucose

Question 13

In a wheat grain, where are most of the vitamins and minerals located?

Accepted Answer

Bran

Question 14

Which of the following is a non-carbohydrate component often found in dietary fiber?

Accepted Answer

Lignin

Question 15

Which of the following best describes amylopectin?

Accepted Answer

A branched polymer of glucose

Question 16

Which of the following is a common misconception about complex carbohydrates?

Accepted Answer

They are always indigestible

Question 17

Which of the following is a correct formula for the hydrolysis of a disaccharide?

Accepted Answer

$C_{12}H_{22}O_{11} + H_2O \rightarrow 2C_6H_{12}O_6$

Question 18

Which of the following is NOT a characteristic of polysaccharides?

Accepted Answer

They are always sweet-tasting

Question 19

Which of the following best describes the role of inulin in human nutrition?

Accepted Answer

It is a soluble fiber that acts as a prebiotic

Question 20

A patient with a deficiency in the enzyme that breaks $\alpha$-1,4-glycosidic bonds would have difficulty digesting which of the following?

Accepted Answer

Amylose

Study Guide: Complex Carbohydrates – Step-by-Step Guidance

Study Guide - Practice Questions