The AP Biology exam is one of the most popular AP science tests and covers a wide range of topics — from cell biology to ecology. Success on this exam can earn you college credit, boost your GPA, and strengthen your college applications.
In this guide, we’ll break down the exam format, scoring, and key topics you need to know, while showing you how RevisionDojo can help you prepare effectively.
AP Biology Exam Format
The exam is 3 hours long and divided into two main sections:
Section I: Multiple Choice (MCQ)
- 60 questions
- Time: 90 minutes
- Weight: 50% of total score
- Includes both independent questions and question sets based on data, experiments, or diagrams.
Section II: Free Response (FRQ)
- 6 questions total:
- 2 long free-response questions
- 4 short free-response questions
- Time: 90 minutes
- Weight: 50% of total score
- Requires data analysis, experimental design, and applying biological concepts.
AP Biology Exam Topics
The College Board organizes AP Biology content into 8 Units, each weighted differently on the exam:
- Chemistry of Life – 8–11%
- Cell Structure and Function – 10–13%
- Cellular Energetics – 12–16%
- Cell Communication and Cell Cycle – 10–15%
- Heredity – 8–11%
- Gene Expression and Regulation – 12–16%
- Natural Selection – 13–20%
- Ecology – 10–15%
How the AP Bio Exam Is Scored
- MCQ Section: 1 point per correct answer, no penalty for wrong answers.
- FRQ Section: Graded using College Board rubrics for accuracy, clarity, and completeness.
- Final Score: Scaled from 1–5, with 5 being the highest.
Study Strategies for the AP Bio Exam
- Master the Big Ideas
- Focus on concepts like evolution, energy transfer, and systems interactions.
- Practice Data Analysis
- Many questions require interpreting graphs, tables, or experimental results.
- Memorize Key Biological Processes
- Photosynthesis, cellular respiration, DNA replication, and protein synthesis.
- Time Your Practice Tests
- Pacing is crucial — especially for the FRQ section.
- Use RevisionDojo’s AP Bio Resources
- Access our AP Bio practice tests, unit-by-unit quizzes, and FRQ examples.
Why RevisionDojo Is the Best for AP Bio Prep
With RevisionDojo, you get:
- AP Bio Question Banks with MCQ and FRQ practice
- Unit-Specific Quizzes for targeted learning
- Exam Simulations for real test conditions
- Step-by-Step FRQ Solutions for high-scoring answers
- Performance Tracking so you know exactly where to improve
You can also pair your AP Bio prep with our University Match Quiz to see which colleges give the best credit for your AP score.
FAQ – AP Bio Exam
1. Is the AP Bio exam hard?
It’s challenging due to the depth of content, but strong preparation can make it manageable.
2. How many points is each MCQ worth?
One point, with no penalty for wrong answers.
3. How many FRQs are on the AP Bio exam?
Six total — two long and four short.
4. Can I use a calculator?
Yes, a four-function, scientific, or graphing calculator is allowed.
5. Do I need to memorize all the labs?
You should know key AP Biology labs and be able to apply their concepts.
6. What’s the best way to study?
Use a mix of content review, practice tests, and timed FRQ writing.
7. What’s a passing score?
A 3 or above is generally considered passing, but some colleges require a 4 or 5 for credit.
Turn Your AP Bio Score Into College Credit
Your AP Bio exam success can open doors to advanced college courses.
🎯 Take the University Match Quiz to discover schools that value your AP Bio score.
🌍 Browse our Universities Directory for AP credit policies and admissions info.
