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Biological Molecules Worksheet

Explore the four major types of biological molecules: carbohydrates, lipids, proteins, and nucleic acids, and their functions in living organisms.

Grade 7 Science BiologyBiological Molecules
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Multiple ChoiceFill in the BlanksTrue / FalseMatchingShort Answer

Standards

MS-LS1-6

Topics

biologybiological moleculesmacromoleculesgrade 7science
7 sections · Free to use · Printable
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Biological Molecules Worksheet

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Read each question carefully and answer to the best of your ability. This worksheet covers the four main types of biological molecules: carbohydrates, lipids, proteins, and nucleic acids.

1. Which of the following is NOT one of the four major types of biological molecules?

a

Carbohydrates

b

Water

c

Proteins

d

Lipids

2. Which biological molecule is the primary source of quick energy for living organisms?

a

Nucleic Acids

b

Proteins

c

Carbohydrates

d

Lipids

3. The building blocks of proteins are called  .

4.   are used for long-term energy storage and insulation.

5. DNA and RNA are examples of  .

6. Enzymes, which speed up chemical reactions, are a type of carbohydrate.

T

True

F

False

7. Lipids are soluble in water.

T

True

F

False

Match each biological molecule with its primary function.

8. Carbohydrates

 

a. Genetic information storage

9. Lipids

 

b. Quick energy source

10. Proteins

 

c. Long-term energy storage and insulation

11. Nucleic Acids

 

d. Building and repairing tissues

12. Briefly describe the main difference between saturated and unsaturated fats.