MCAT Practice
Practice free questions organized by content category — built on the official AAMC content outline.
Topic-wise MCAT MCQ Practice
Preparing for the MCAT requires a systematic, content-category-by-content-category approach. Our topic-wise MCQ practice is built around the official AAMC content outline across all four MCAT sections — Chemical & Physical Foundations (Chem/Phys), Critical Analysis & Reasoning Skills (CARS), Biological & Biochemical Foundations (Bio/Biochem), and Psychological, Social & Biological Foundations (Psych/Soc) — so every question you solve is directly relevant to what you will face on test day. With over 26,000 practice questions across every section, you can drill deep into individual topics and subtopics to strengthen your weak areas.
Each question includes a detailed explanation grounded in the foundational concepts the AAMC tests. The question mix blends knowledge recall with the passage-based, application-style reasoning the MCAT is known for. Select any section above to browse its topics, expand a topic to see subtopics, and start practicing. Track your progress as you work through each section to ensure complete content coverage before your exam.
Practice free MCAT questions one section at a time, grouped by AAMC content category. Pick Chem/Phys, CARS, Bio/Biochem or Psych/Soc, then drill a single content category to target a weak area. Every question shows a worked explanation, and nothing here needs an account.
MCAT Section-wise Practice Questions — Free
MCAT Prep offers free practice questions organized by section and AAMC content category, built on the official AAMC content outline. Select a section below to start practicing.
Bio/Biochem
Practice Biological & Biochemical Foundations questions across Foundational Concepts 1–3: amino acids and proteins, enzymes, DNA/transcription/translation, genetics and evolution, bioenergetics and metabolism, cells and membranes, microbiology, and the nervous, endocrine and other organ systems.
Chem/Phys
Practice Chemical & Physical Foundations questions across Foundational Concepts 4–5: mechanics and energy, fluids and gases, electrochemistry and circuits, light and sound, atomic structure, acids/bases and solutions, bonding, separation and spectroscopy, organic reactivity, and thermodynamics and kinetics.
Psych/Soc
Practice Psychological, Social & Biological Foundations of Behavior across Foundational Concepts 6–10: sensation and perception, cognition and memory, emotion and stress, learning, personality, social processes, identity, social structure, demographics, and social inequality.
CARS
Practice Critical Analysis & Reasoning Skills with passage-based questions drawn from the humanities and social sciences, testing comprehension, reasoning within the text, and reasoning beyond the text — no outside content knowledge required.
Why Practice on MCAT Prep?
- Every question is tagged to an AAMC content category (1A–10A)
- Mix of difficulty levels matching the real exam
- Detailed explanations for every question
- Section-wise and content-category organization for targeted review
- 100% free — no registration required