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Worksheets

Biomolecules

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Many single-celled organisms rely primarily on sugars and starches as their source of energy. Which class of biomolecules provides the energy for these cells?

a)

Nucleic Acids

b)

Proteins

c)

Carbohydrates

d)

Lipids

2.

Fats provide long term energy storage and insulation to the human body. Fat molecules are a member of which class of biomolecules?

a)

Nucleic Acids

b)

Proteins

c)

Carbohydrates

d)

Lipids

3.

What class of biomolecule is composed of amino acids?

a)

Nucleic Acids

b)

Proteins

c)

Carbohydrates

d)

Lipids

4.

Which class of biomolecule carries the cell’s instructions in the form of genetic material?

a)

Nucleic Acids

b)

Proteins

c)

Carbohydrates

d)

Lipids

5.

What class of biomolecule is referred to as a quick source of energy?

a)

Nucleic Acids

b)

Proteins

c)

Carbohydrates

d)

Lipids

6.

Which class of biomolecule contain oils, fats and waxes?

a)

Nucleic Acids

b)

Proteins

c)

Carbohydrates

d)

Lipds

7.

What biomolecule is the most diverse group and performs a variety of functions?

a)

Nucleic Acids

b)

Proteins

c)

Carbohydrates

d)

Lipids

8.

The diagram to the right best represents which class of biomolecules?

a)

Nucleic Acids

b)

Proteins

c)

Carbohydrates

d)

Lipids

9.

Which class of biomolecule helps to repel water in the leaves of plants and serves as insulator of heat in some animals?

a)

Nucleic Acids

b)

Proteins

c)

Carbohydrates

d)

Lipids

10.

What class of biomolecule contains nitrogen bases?

a)

Nucleic Acids

b)

Proteins

c)

Carbohydrates

d)

Lipids

11.

You need a steady supply of amino acids in your diet to maintain a healthy body. In order to meet this need, you should make sure you eat enough of which class of biomolecule?

a)

Nucleic Acids

b)

Proteins

c)

Carbohydrates

d)

Lipids

12.

Which class of biomolecule is used to make cell membranes?

a)

Nucleic Acids

b)

Proteins

c)

Carbohydrates

d)

Lipids

13.

If a complex molecule can be digested to produce sugars, then the original molecules should be classified as which type of biomolecule?

a)

Nucleic Acids

b)

Proteins

c)

Carbohydrates

d)

Lipids

14.

Enzymes are a specific type of which biomolecule?

a)

Nucleic Acids

b)

Proteins

c)

Carbohydrates

d)

Lipids

15.

What is one of the two biomolecules that are primarily used as energy sources by cells?

a)

Nucleic Acids & Carbohydrates

b)

Proteins & Carbohydrates

c)

Carbohydrates & Lipids

d)

Lipds & Nucleic Acids