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Turn your MCAT notes into a practice test with explanations

Upload your PDFs, slides, or notes and get multiple-choice, true/false, or short-answer questions, each with an explanation. Start free with no credit card.

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How to build MCAT practice from the content you are studying

Many MCAT candidates work through a commercial question bank and then run short of fresh questions on the topics they find hardest. A mcat practice test built from your own review notes, course slides, or practice passages gives you more questions on the exact material you are weak on, without waiting for a new release.

  • Upload only the content for the section you are studying so questions stay focused.
  • Mix multiple-choice and short-answer questions to practice recall, not just recognition.
  • Read the explanation even when you guessed correctly.
  • Retake missed questions after a few days rather than rereading the whole chapter.
Example MCAT biology and chemistry practice questions
Which organelle is the primary site of ATP production in eukaryotic cells?The mitochondrion, because oxidative phosphorylation in its inner membrane produces most of the cell's ATP.
In Michaelis-Menten kinetics, how does a competitive inhibitor change Km?Km increases, because the inhibitor competes with substrate for the active site, so more substrate is needed to reach half of Vmax. Vmax stays the same when substrate is high enough to outcompete the inhibitor.
How many Na+ ions does the Na+/K+ ATPase pump out of the cell per cycle?Three, because each cycle exports 3 Na+ and imports 2 K+ while hydrolyzing one ATP.
Which gas law states that pressure is inversely proportional to volume at constant temperature and moles?Boyle's law, because with n and T held fixed, PV remains constant.
Which hormone raises blood glucose by stimulating glycogen breakdown in the liver?Glucagon, because it signals hepatocytes to activate glycogenolysis when blood glucose falls.
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Questions from your material

Every question comes from the chapters, slides, or notes you upload, so you test the content you actually have to learn.

Explanations for every answer

Each question includes an explanation of why the correct answer is right, so a missed item becomes a short lesson.

Export when you need it

Plus exports to PDF and DOCX, and Pro adds QTI 2.1 and Moodle XML for course platforms.

How it works

Upload your material

Add a PDF, DOCX, PPTX, plain text file, or photos of pages. Text in images is read with text recognition.

Choose your question types

Pick multiple-choice, true/false, or short-answer questions for the section you are reviewing.

Take the practice test

Work through the questions in your browser, then read the explanations for anything you missed.

Start with one unit at a time, such as biochemistry or physics. Generate a short set of multiple-choice questions, answer them without looking at your notes, and then read each explanation before moving on. Repeat the missed questions a day or two later to check whether the idea has stuck.

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Frequently asked questions

How many practice questions should I do each day for the MCAT?

Most students find that a steady set of 20 to 40 questions with careful review works better than a long session once a week. Spend as much time on explanations for missed items as on answering new ones.

What should I do after getting a practice question wrong?

Write down the concept the question tested, then reread that section of your notes and try a similar question a few days later. Tracking patterns in your mistakes shows which subjects need more review.

Does DeckOwl include the free plan?

Yes, the free plan gives you 3 generations per month and lets you study in the browser. It does not include exports.

Which export formats are paid?

PDF and DOCX exports are included with Plus, and QTI 2.1 and Moodle XML exports are included with Pro. Students with a school email get 40% off.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.