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Turn your MCAT book into a practice test with AI

Upload your own MCAT prep notes, slides or PDF chapters and get multiple-choice, true/false or open questions with explanations. Study in the browser first, then export when you need a printable set.

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Why a custom practice test beats a fixed book

Many students buy an MCAT practice test book expecting fresh questions for every review week, but a printed book has a fixed set of questions and answers that you will eventually memorize. Once you know the answer key, the test stops measuring what you understand.

  • Multiple-choice, true/false and short answer questions from your own notes
  • Explanations for every answer so you learn from mistakes
  • Flashcards with spaced repetition for key terms
  • Export to PDF or DOCX on Plus, and QTI or Moodle XML on Pro
Example MCAT practice questions with answers
What is the final electron acceptor in the electron transport chain?Oxygen, which is reduced to water at the end of the chain. It keeps electron flow moving by accepting electrons that have passed through the earlier complexes.
What does the Michaelis constant (Km) measure?The substrate concentration at which an enzyme reaches half its maximum reaction rate. A lower Km means the enzyme has a higher affinity for its substrate.
True or false: an author's main conclusion and main argument are always the same thing.False. The conclusion is the claim the author wants accepted, while the premises and reasoning support it, and CARS questions often ask you to tell them apart.
Which memory store holds information for roughly 15 to 30 seconds without rehearsal?Short-term memory. Without rehearsal, information decays from it quickly, which is why rehearsal helps move material into long-term storage.
What is the pH of a solution with a hydrogen ion concentration of 1 × 10^-4 M?pH 4, because pH equals the negative log of the hydrogen ion concentration: -log(1 × 10^-4) = 4.
Generate the full set

Questions from your material

Practice questions come from the chapters and notes you upload, so they match the content you are actually studying.

Explanations for every answer

Each question includes an explanation, so a wrong answer teaches you why the right one is correct.

Print or export when you need it

PDF and DOCX export are on Plus. QTI 2.1 and Moodle XML export are on Pro.

How it works

Upload your prep material

Add a PDF, DOCX, PPTX, text notes or photos of pages. Photos are read with text recognition.

Choose the question type

Pick multiple-choice, true/false or short answer questions, then generate a set from your material.

Take the test and review

Answer in the browser, read each explanation, and use flashcards with spaced repetition for the terms you miss.

A custom set built from your own prep material keeps the questions tied to the topics you are studying right now. You can rerun the same chapter with new questions, focus on the section where your scores are lowest, and see explanations that show the reasoning behind each answer.

To start, the free plan gives you 3 generations per month and lets you study in the browser with no exports. Plus adds unlimited generations, PDF and DOCX export, Anki and CSV export, and spaced repetition. Pro adds a stronger AI model, bulk upload, and QTI 2.1 and Moodle XML export. Students get 40% off with a school email.

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Frequently asked questions

How should I use practice tests in the weeks before the MCAT?

Take full-length tests under timed conditions to build stamina, then spend as much time reviewing each one as you spent taking it. Track which topics cause your wrong answers and return to those chapters before testing again.

Which sections should my MCAT practice questions cover?

The exam covers Chemical and Physical Foundations of Biological Systems, Critical Analysis and Reasoning Skills, Biological and Biochemical Foundations of Living Systems, and Psychological, Social, and Biological Foundations of Behavior. Make sure your practice set includes all four, not only your strongest subject.

Can I try DeckOwl before paying?

Yes. The free plan gives you 3 generations per month and lets you study in the browser, and no credit card is needed to start.

Can I export my practice tests to a printable file?

Yes, but exports are paid features. PDF and DOCX export are on Plus, and QTI 2.1 and Moodle XML export are on Pro.

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