Carbohydrates: The Building Blocks of Life

Question 1

Which of the following is NOT a primary function of carbohydrates in the body?

Accepted Answer

Constructing bones

Answer

Providing energy

Answer

Regulating blood sugar levels

Answer

Facilitating gut health

Question 2

Which type of carbohydrate serves as the body's immediate source of energy?

Accepted Answer

Monosaccharides

Answer

Disaccharides

Answer

Polysaccharides

Answer

Oligosaccharides

Question 3

Which of the following foods is a rich source of dietary fiber?

Accepted Answer

Brown rice

Answer

White bread

Answer

Candy

Answer

Processed meat

Question 4

What is the chemical formula for glucose, a simple sugar commonly found in carbohydrates?

Accepted Answer

C6H12O6

Answer

C5H10O5

Answer

C7H14O7

Answer

C8H16O8

Question 5

Which process is responsible for breaking down carbohydrates into glucose?

Accepted Answer

Glycolysis

Answer

Respiration

Answer

Fermentation

Answer

Photosynthesis

Question 6

Which of the following is classified as a polysaccharide?

Accepted Answer

Starch

Answer

Glucose

Answer

Sucrose

Answer

Fructose

Question 7

What is the main role of carbohydrates in our bodies?

Accepted Answer

Providing energy

Answer

Building proteins

Answer

Storing genetic information

Answer

Producing hormones

Question 8

How are complex carbohydrates broken down into simpler molecules during digestion?

Accepted Answer

Amylase, found in saliva and the small intestine, breaks down complex carbohydrates into monosaccharides.

Answer

Proteases break down carbohydrates into amino acids.

Answer

Carbohydrates are broken down into glucose in the stomach, ready for absorption.

Answer

Complex carbohydrates are absorbed directly into the bloodstream without any breakdown.

Question 9

Which of the following is NOT a type of carbohydrate?

Accepted Answer

Amino acid

Answer

Starch

Answer

Glucose

Answer

Sucrose

Question 10

What is the primary role of carbohydrates in the human body?

Accepted Answer

Energy provision

Answer

Storage of genetic information

Answer

Transport of oxygen

Answer

Regulation of body temperature

Question 11

Which of the following is considered a complex carbohydrate?

Accepted Answer

Glycogen

Answer

Fructose

Answer

Maltose

Answer

Glucose

Question 12

What is the primary distinction between starch and cellulose?

Accepted Answer

Starch is digestible, while cellulose is not.

Answer

Cellulose is digestible, whereas starch is not.

Answer

They contain different elements.

Answer

They have identical molecular structures.

Question 13

What does the glycemic index (GI) measure?

Accepted Answer

The rate at which a food increases blood glucose levels

Answer

The amount of fiber contained in a food

Answer

The caloric content of a food

Answer

The sweetness of a food

Question 14

Which of the following is NOT a type of carbohydrate?

Accepted Answer

Amino acids

Answer

Glucose

Answer

Fructose

Answer

Starch

Question 15

What is the primary function of carbohydrates in our bodies?

Accepted Answer

Energy production

Answer

Growth and repair

Answer

Hormone regulation

Answer

Immune function

Question 16

Which of the following is a complex carbohydrate?

Accepted Answer

Starch

Answer

Glucose

Answer

Fructose

Answer

Sucrose

Question 17

What is the key difference between soluble and insoluble fiber?

Accepted Answer

Soluble fiber dissolves in water and helps lower cholesterol, while insoluble fiber does not dissolve and helps prevent constipation.

Answer

Soluble fiber helps prevent constipation, while insoluble fiber dissolves in water and helps lower cholesterol.

Answer

Both soluble and insoluble fiber dissolve in water and help lower cholesterol.

Answer

Both soluble and insoluble fiber help prevent constipation.

Question 18

Which of the following foods is a good source of dietary fiber?

Accepted Answer

Brown rice

Answer

White bread

Answer

Chocolate

Answer

Crisps

Question 19

What is the glycemic index (GI) of a food?

Accepted Answer

A measure of how quickly a food raises blood sugar levels after consumption.

Answer

A measure of the amount of sugar in a food.

Answer

A measure of the amount of fiber in a food.

Answer

A measure of the calorie content of a food.

Question 20

Which of the following foods has a relatively high GI?

Accepted Answer

White bread

Answer

Whole-wheat bread

Answer

Brown rice

Answer

Oats

Question 21

Which of the following is NOT a health benefit commonly associated with dietary fiber?

Accepted Answer

Increased risk of colon cancer

Answer

Reduced risk of heart disease

Answer

Improved blood sugar control

Answer

Lowered risk of obesity

Question 22

Which of the following is not a type of carbohydrate?

Accepted Answer

Proteins

Answer

Monosaccharides

Answer

Disaccharides

Answer

Polysaccharides

Question 23

Which monosaccharide is the simplest form of sugar?

Accepted Answer

Glucose

Answer

Fructose

Answer

Galactose

Answer

Ribose

Question 24

Which polysaccharide is the main storage form of carbohydrates in plants and animals?

Accepted Answer

Starch

Answer

Glycogen

Answer

Cellulose

Answer

Chitin

Question 25

Which of the following foods is a good source of complex carbohydrates?

Accepted Answer

Brown rice

Answer

White bread

Answer

Candy

Answer

Fruit juice

Question 26

What is the process by which carbohydrates are broken down into glucose?

Accepted Answer

Glycolysis

Answer

Gluconeogenesis

Answer

Glycogenolysis

Answer

Lipogenesis

Question 27

Which hormone is responsible for regulating blood sugar levels?

Accepted Answer

Insulin

Answer

Glucagon

Answer

Epinephrine

Answer

Cortisol

Question 28

What is the condition called when blood sugar levels become too high?

Accepted Answer

Hyperglycemia

Answer

Hypoglycemia

Answer

Diabetes

Answer

Ketosis

Question 29

Which of the following is NOT a type of carbohydrate?

Accepted Answer

Protein

Answer

Starch

Answer

Fiber

Answer

Sugar

Question 30

What is the primary role of carbohydrates in the human body?

Accepted Answer

Energy production

Answer

Muscle growth

Answer

Fat storage

Answer

Immune function

Question 31

Which type of carbohydrate is found in whole grains and fruits?

Accepted Answer

Complex carbohydrates

Answer

Simple carbohydrates

Answer

Monosaccharides

Answer

Polysaccharides

Question 32

Which of the following is NOT a health benefit associated with fiber?

Accepted Answer

Increased risk of colon cancer

Answer

Reduced cholesterol levels

Answer

Improved blood sugar control

Answer

Weight management

Question 33

What is the chemical formula for glucose?

Accepted Answer

C6H12O6

Answer

C2H6O

Answer

C12H22O11

Answer

C18H32O16

Question 34

Which enzyme is responsible for breaking down carbohydrates into smaller molecules during digestion?

Accepted Answer

Amylase

Answer

Protease

Answer

Lipase

Answer

Sucrase

Question 35

What does the glycemic index measure?

Accepted Answer

The speed at which carbohydrates are digested and absorbed

Answer

The amount of carbohydrates in a food

Answer

The sweetness of a food

Answer

The fiber content of a food

Question 36

Which of the following is a low-glycemic index food?

Accepted Answer

Brown rice

Answer

White bread

Answer

Dried fruit

Answer

Potato chips

Question 37

What is the role of insulin in carbohydrate metabolism?

Accepted Answer

Promotes the uptake of glucose into cells

Answer

Increases blood sugar levels

Answer

Breaks down carbohydrates into smaller molecules

Answer

Stores carbohydrates as fat

Question 38

Which of the following is a characteristic of complex carbohydrates?

Accepted Answer

They are broken down into glucose more slowly than simple carbohydrates.

Answer

They are found in processed foods like white bread.

Answer

They provide a quick burst of energy.

Answer

They are not essential for a healthy diet.

Question 39

What is the primary function of carbohydrates in the human body?

Accepted Answer

To store energy

Answer

To build and repair tissues

Answer

To regulate body temperature

Answer

To support the immune system

Question 40

Which type of dietary fiber is soluble and can help lower cholesterol levels?

Accepted Answer

Pectin

Answer

Cellulose

Answer

Hemicellulose

Answer

Lignin

Question 41

What is the glycemic index (GI) and how does it relate to carbohydrates?

Accepted Answer

A measure of how quickly a food raises blood sugar levels

Answer

The amount of sugar in a food

Answer

The number of carbohydrates in a food

Answer

The fiber content of a food

Question 42

Which of the following is NOT a type of carbohydrate?

Accepted Answer

Protein

Answer

Starch

Answer

Glucose

Answer

Cellulose

Question 43

What is the main role of carbohydrates in the body?

Accepted Answer

Providing energy

Answer

Regulating body temperature

Answer

Storing genetic information

Answer

Building tissues

Question 44

Which type of fiber can help lower cholesterol levels and regulate blood sugar?

Accepted Answer

Soluble fiber

Answer

Dietary fiber

Answer

Insoluble fiber

Answer

Roughage

Question 45

What does the glycemic index (GI) of a food measure?

Accepted Answer

The rate at which it raises blood sugar levels

Answer

The amount of calories it contains

Answer

The type of carbohydrates it contains

Question 46

Which food is a good source of complex carbohydrates?

Accepted Answer

Brown rice

Answer

Candy bar

Answer

Fruit juice

Answer

White bread

Question 47

What is the difference between simple carbohydrates and complex carbohydrates?

Accepted Answer

Simple carbohydrates are single sugar units, while complex carbohydrates are chains of sugar units

Answer

Simple carbohydrates are more complex than complex carbohydrates

Answer

Complex carbohydrates are found in plants only, while simple carbohydrates are found in both plants and animals

Question 48

Which of the following is a symptom of carbohydrate deficiency?

Accepted Answer

Fatigue

Answer

Weight gain

Answer

Hair growth

Answer

Increased thirst

Question 49

What is the main benefit of fiber in the diet?

Accepted Answer

Promoting digestive health and regulating blood sugar levels

Answer

Building muscle

Answer

Providing energy

Question 50

Which of the following carbohydrates is a complex carbohydrate found in bread, pasta, and rice?

Accepted Answer

Starch

Answer

Glucose

Answer

Fructose

Question 51

What is the chemical formula for glucose, a simple sugar?

Accepted Answer

C6H12O6

Answer

C4H8O4

Answer

C7H14O7

Answer

C5H10O5

Question 52

Which of the following is a monosaccharide, the simplest form of carbohydrate?

Accepted Answer

Glucose

Answer

Cellulose

Answer

Starch

Answer

Glycogen

Question 53

What is the process by which carbohydrates are broken down into glucose for energy use in the body?

Accepted Answer

Digestion

Answer

Respiration

Answer

Photosynthesis

Question 54

Which of the following is a potential health concern associated with excessive carbohydrate consumption?

Accepted Answer

Weight gain

Answer

Skin irritations

Answer

Muscle cramps

Answer

Vitamin deficiencies

Question 55

Which of the following foods is a good source of resistant starch, a type of carbohydrate that is not easily digested?

Accepted Answer

Cooked and cooled potatoes

Answer

Dairy milk

Answer

White bread

Answer

Fruit juice