Sep 12, 2025 · Challenge yourself with our biology quizzes! Perfect for exam preparation or casual learning, these quizzes cover key concepts and facts in biology.

Try this free biology practice test to see how prepared you are for a biology exam. Biology test prep written by biology teachers.

Test your biology mastery with any of these self-grading quizzes. Organized by topic, and contain 1-15 practice questions that you may see on a typical biology exam.

Welcome to the ultimate biology quiz questions! Test your biology knowledge across various exciting topics: from general biology to human anatomy, genetics, ecology, and more.

Think you are a true Biology expert? Play one of the thousands of these addictive Biology quizzes and prove it.

Free Online Biology practice tests Multiple Choice Quizzes, Biology interactive quizzes, AP biology practice test, biology worksheet and labeling quiz

PurposeGames online quizzes about biology. biology currently contains 1,436 PurposeGames and quizzes, created by our members.

Take these quizzes about DNA, RNA, protein synthesis, and other major biological molecules like lipids, nucleic acids, and carbohydrates and show what you know!

Use the following online quizzes to review each topic covered in Biology. Some topics have two biology tests each, so try them both! When you get all answers correct, email me your page …

Metabolism? Catabolism? Mitochondria? Taxonomy? Biology isn't the easiest of subjects, but there are some basics everyone should remember from their school days. Test your …