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This is part 3 of a 5-part series featuring study guides for our five most popular AP exams.

RELATED: Access Study Guides for Our 5 Most Popular AP Exams | Part 2: AP English Language and Composition

AP Biology Exam Basics

The AP Biology multiple-choice section includes 60 questions and accounts for 50 percent of the exam score. The free response section includes six questions that you will need to respond to with written answers and accounts for 50 percent of the exam score. Students have three hours to complete the exam.

What’s on the AP Biology Exam?

  1. Chemistry of life
  2. Cell structure and function
  3. Cellular energetics
  4. Cell communication and cell cycle
  5. Heredity
  6. Gene expression and regulation
  7. Natural selection
  8. Ecology

AP Biology Study Guide 

Download the AP Biology study guide to help you prepare for the AP Biology exam.

Preparing for the AP exam

In addition to the AP Biology study guide, Peterson’s provides AP Biology practice tests to assess your knowledge of the course material. Practice tests identify your strengths and weaknesses in exam topics and provide detailed answers and explanations to every question. Taking practice tests simulates the actual test-taking experience under timed conditions, so you can take the exam with confidence.

Download the AP Biology Study Guide

AP Biology Study Guide