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

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.

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

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

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.

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

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

A little bit of diverse biology trivia of varying difficulty. This quiz does not take itself very seriously -- each question has one answer intended to be humorous.

These fun quizzes are based on our own Ask A Biologist articles. You might want to read the article first, or if you feel up to the challenge, give them a try before reading each article.

Oct 18, 2024 · Test your knowledge with our engaging Biology Quiz! Challenge yourself with questions on cells, genetics, ecosystems, and more. Perfect for students and enthusiasts.