wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Carbohydrate Review

Total questions: 32

Worksheet time: 11mins

Name
Class
Date
1.

What are the 3 types of carbohydrates?

a)

Monosaccharides

b)

Disaccharides

c)

Polysaccharides

d)

Pentasaccharides

2.

Which of the following elements make-up Carbohydrates?

a)

Carbon, Hydrogen, Oxygen 

b)

Carbon, Hydrogen, Oxygen, Nitrogen, Sulfur

c)

Oxygen, Nitrogen, Hydrogen, Carbon

3.

What is the ratio of Carbon : Hydrogen : Oxygen in Carbohydrates?

a)

1:1:2

b)

1:2:1

c)

2:1:1

4.

Which of the following is the building block of Carbohydrates?

a)

Amino acids

b)

Fatty acids 

c)

Monosaccharides

5.

Which of the following is NOT a monosaccharides?

a)

Fructose

b)

Lactose

c)

Glucose

6.

Which of the following is a natural sugar found in fruits?

a)

Fructose

b)

Lactose

c)

Glucose

7.

Cellulose is a polysaccharide found in animals and fungi.

a)

TRUE

b)

FALSE

8.

Lactose is a sugar found in dairy products.

a)

TRUE

b)

FALSE

9.

Carbohydrates come mainly from what food source?

a)

Water

b)

Animal

c)

Plant

d)

Fish

10.

What is the monomer of carbohydrates

a)

disaccharides

b)

monosaccharides

c)

amino acids

d)

fatty acids

11.

Which of the following is NOT a monosaccharide?

a)

starch

b)

fructose

c)

glucose

d)

galactose

12.

Which polysaccharide is used by plants to store glucose?

a)

glycogen

b)

cellulose

c)

starch

d)

chitin

13.
Carbohydrates are the first source of _______ for the body?
a)
repair
b)
hygiene
c)
fuel
14.
What might happen if you didn't get enough carbohydrates?
a)
Your body wouldn't be able to build muscle mass
b)
Your body wouldn't have enough energy to function
c)
You would develop serious vitamin deficiencies
d)
Your bones and teeth would become weaker
15.

What is the polysaccharide used by animals to store glucose?

a)

glycogen

b)

fructose

c)

starch

d)

cellulose

16.

Which polysaccharide is used by plants to make their cell wall?

a)

starch

b)

glycogen

c)

cellulose

d)

chitin

17.
Sugars all end with what three letter ending?
a)
-ote
b)
-ate
c)
-ase
d)
-ose
18.
______________ carbohydrates supply longer lasting energy.
a)
simple
b)
complex
c)
generic
19.
Your body breaks down most complex carbohydrates into:
a)
fructose
b)
sucrose
c)
glucose
d)
starch
20.
What atoms make up all carbohydrates?
a)
Carbon, Sulfur, Hydrogen
b)
Carbon, Oxygen, Phosphorus
c)
Carbon, Oxygen, Nitrogen
d)
Carbon, Oxygen, Hydrogen
21.
How many sugar units make up disaccharides?
a)
one
b)
two
c)
three
d)
zero
22.
What molecule is this
a)
sucrose
b)
protein
c)
glucose
d)
cellulose
23.
Which is not a chemical element needed to build sugars?
a)
Carbon
b)
Oxygen
c)
Nitrogen
d)
Hydrogen
24.
What type of carbohydrate is this?
a)
polysaccharide
b)
disaccharide
c)
monosaccharide
d)
it isn't a carbohydrate
25.

We would expect this food to be high in what?

a)

sucrose

b)

protein

c)

fiber

d)

lactose

26.

Which food would give you the most energy for the next day?

a)

Broccoli

b)

Hotdog

c)

Snickers

d)

Pasta

27.

What is dehydration synthesis?

a)

Dehydration synthesis is a chemical reaction that involves the gain of a water molecule from the reacting molecule.

b)

Dehydration synthesis is a chemical reaction that involves the loss of an oxygen molecule from the reacting molecule.

c)

Dehydration synthesis is a chemical reaction that involves the loss of a water molecule from the reacting molecule.

d)

Dehydration synthesis is a chemical reaction that involves the gain of a hydrogen molecule from the reacting molecule.

28.

What happens during dehydration synthesis?

a)

Two molecules separate to form smaller molecules with the gain of a water molecule.

b)

Two molecules combine to form a larger molecule with the loss of a water molecule.

c)

Two molecules combine to form a smaller molecule with the gain of a water molecule.

d)

Two molecules combine to form a larger molecule with the gain of a water molecule.

29.

What is hydrolysis?

a)

Hydrolysis is a chemical reaction in which a compound is broken down by water.

b)

Hydrolysis is a chemical reaction in which a compound is broken down by light.

c)

Hydrolysis is a chemical reaction in which a compound is broken down by heat.

d)

Hydrolysis is a chemical reaction in which a compound is broken down by air.

30.

What happens during hydrolysis?

a)

A compound is broken down into its constituent elements or smaller molecules by the addition of oxygen molecules.

b)

A compound is broken down into its constituent elements or smaller molecules by the addition of carbon dioxide molecules.

c)

A compound is broken down into its constituent elements or smaller molecules by the addition of nitrogen molecules.

d)

A compound is broken down into its constituent elements or smaller molecules by the addition of water molecules.

31.

What happens when a polysaccharide undergoes hydrolysis?

a)

The polysaccharide is broken down into its constituent monosaccharides by the addition of water molecules.

b)

The polysaccharide is broken down into its constituent monosaccharides by the addition of oxygen molecules.

c)

The polysaccharide is broken down into its constituent monosaccharides by the addition of nitrogen molecules.

d)

The polysaccharide is broken down into its constituent monosaccharides by the addition of carbon dioxide molecules.

32.
The element _______is found in all of the organic compounds.
a)
Iron
b)
Nitrogen
c)
Carbon
d)
Oxygen