Biological Molecules Worksheet
Explore the four major classes of biological molecules: carbohydrates, lipids, proteins, and nucleic acids, with this Grade 8 science worksheet.
Includes
Standards
Topics
Biological Molecules Worksheet
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. This worksheet covers the four major types of biological molecules.
1. Which of the following biological molecules is the primary source of quick energy for living organisms?
Lipids
Proteins
Carbohydrates
Nucleic Acids
2. Which type of biological molecule is responsible for storing genetic information?
Carbohydrates
Lipids
Proteins
Nucleic Acids
3. The building blocks of proteins are called .
4. Fats, oils, and waxes are examples of .
5. DNA and RNA are types of .
6. Carbohydrates are primarily made up of carbon, hydrogen, and oxygen atoms.
True
False
7. Enzymes are a type of lipid that speed up chemical reactions.
True
False
Match each biological molecule with its primary function.
8. Carbohydrates
a. Genetic information storage
9. Lipids
b. Long-term energy storage, insulation
10. Proteins
c. Quick energy source
11. Nucleic Acids
d. Building and repairing tissues, enzymes
12. Briefly explain the main difference in function between carbohydrates and lipids.
13. Name two examples of foods that are rich in protein.
Related Worksheets
The Human Reproductive System
Explore the structures and functions of the male and female reproductive systems, including key hormones and processes.
Grade 8 Fungi Worksheet
Explore the fascinating world of fungi with this Grade 8 science worksheet covering their characteristics, reproduction, and ecological roles.
Interactions in an Ecosystem
Explore the complex relationships and interactions within ecosystems, including food webs, energy flow, and symbiotic relationships, for Grade 8 Science.
Immune System Basics
An introductory worksheet on the human immune system for 8th-grade science students.
Grade 8 Science: The Human Eye
Explore the anatomy and function of the human eye, including its parts, how vision works, and common eye conditions.
Ecological Relationships Worksheet
Explore ecological relationships including predation, competition, mutualism, commensalism, and parasitism with this Grade 8 Science worksheet.
Grade 8 Taxonomy Worksheet
Explore the principles of biological classification with this Grade 8 Science worksheet on Taxonomy, covering hierarchical ranks, binomial nomenclature, and the characteristics of different kingdoms.
Energy Flow in Ecosystems
Explore the concepts of energy flow, food chains, food webs, and ecological pyramids in ecosystems.