Biomolecules Worksheet
A Grade 9 Science worksheet covering the four major types of biomolecules: carbohydrates, lipids, proteins, and nucleic acids.
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Biomolecules: The Molecules of Life
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Read each question carefully and provide your best answer. This worksheet covers the four major types of biomolecules: carbohydrates, lipids, proteins, and nucleic acids.
1. Which of the following biomolecules is primarily used for long-term energy storage?
Carbohydrates
Lipids
Proteins
Nucleic Acids
2. Amino acids are the building blocks of which biomolecule?
Carbohydrates
Lipids
Proteins
Nucleic Acids
3. The primary function of carbohydrates in living organisms is to provide .
4. DNA and RNA are examples of .
5. Enzymes, which speed up chemical reactions, are a type of .
6. Saturated fats are typically liquid at room temperature.
True
False
7. All proteins have the same three-dimensional structure.
True
False
Match each biomolecule with its characteristic monomer (building block).
8. Carbohydrates
a. Nucleotides
9. Lipids
b. Monosaccharides
10. Proteins
c. Fatty acids and glycerol
11. Nucleic Acids
d. Amino acids
12. Briefly describe the role of nucleic acids in heredity.
13. Provide two examples of foods rich in protein and two examples of foods rich in carbohydrates.