Biology Practice Tests

Prepare for your biology exams with our extensive range of free practice tests. These tests simulate the real exam experience, helping you to familiarize yourself with question formats and timing while assessing your readiness.

High School Biology

Introductory Topics

Macromolecules

Attributes of Life

Feedback and Homeostasis

Cell Biology

Cell Structures and Organelles

Common Cell Structures+6 topics

Cellular Differences+2 topics

Cell Functions

Cell Respiration+3 topics

Photosynthesis+2 topics

Transport and Signaling+4 topics

Cell Division

Mitosis+2 topics

Meiosis+4 topics

The Cell Cycle+2 topics

DNA, RNA, and Proteins

DNA

DNA Replication+3 topics

DNA Structure+4 topics

RNA

Transcription+3 topics

RNA Structure+2 topics

Proteins

Translation+2 topics

Protein Structure+3 topics

Protein Function+3 topics

Tissues, Organs, and Organ Systems

Organs and Organ Systems

Nervous System+4 topics

Endocrine System+4 topics

Musculoskeletal System+3 topics

Digestive System+3 topics

Excretory System+4 topics

Immune System+3 topics

Reproductive System+2 topics

Respiratory System+2 topics

Circulatory System+3 topics

Epithelium and Endothelium

Connective Tissue

Muscle Tissue

Nervous Tissue

Ecology

Food Pyramids and Food Webs

Chemical Cycles

Genetics and Evolution

Evolutionary Principles