Biology Quizzes
Select a test below to challenge your knowledge of the living world!
Biology Basics
Test your fundamental knowledge of the living world, from cells to ecosystems.
Start TestCells and Organelles
Explore the different parts of plant and animal cells and their functions.
Start TestPhotosynthesis and Respiration
Understand how plants make food and how organisms release energy.
Start TestHuman Body Systems
Learn about the major organ systems and their functions in the human body.
Start TestEcology and Food Webs
Learn about interactions between organisms and their environment, including energy flow.
Start TestPlant Biology Basics
Discover the parts of a plant, their functions, and basic plant processes.
Start TestAnimal Classification
Learn how scientists group animals based on shared characteristics.
Start TestEvolution and Natural Selection
Understand the concepts of evolution, adaptation, and how natural selection drives change.
Start TestIntroduction to Microorganisms
Learn about the tiny living things like bacteria, viruses, fungi, and protists.
Start Test