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Turn your MCAT notes into practice tests with explanations

Choosing between commercial prep and official AAMC material is a judgment call. DeckOwl helps you build practice questions from the content you are actually studying, each with an explanation.

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How to weigh Kaplan and AAMC practice

Students weighing Kaplan MCAT practice test vs AAMC options usually want one answer: which set of questions better matches the real exam. AAMC publishes official practice materials from the organization that writes the MCAT, while commercial prep companies such as Kaplan write their own questions and explanations. Both have a role, and the right mix depends on your timeline and what you need to fix.

  • Use official AAMC materials to gauge how the real exam is framed.
  • Generate topic-level sets from your own notes for areas you keep missing.
  • Read every explanation, including for questions you answered correctly.
  • Keep a running list of missed concepts and rebuild sets from it each week.
Example MCAT practice questions with answers
Which enzyme catalyzes the committed, rate-limiting step of glycolysis?Phosphofructokinase-1 (PFK-1). It converts fructose-6-phosphate to fructose-1,6-bisphosphate, and it is the step that commits the cell to glycolysis.
True or false: adding more reactant to an equilibrium system shifts the equilibrium toward products.True. By Le Chatelier's principle, the system shifts to consume the added reactant, which increases product formation.
Two heterozygous (Aa) parents are crossed for a trait with complete dominance. What phenotype ratio do you expect among offspring?3:1 dominant to recessive. Of the four equally likely genotype combinations, three show the dominant phenotype and one shows the recessive.
Which part of the nephron is the main site of glucose reabsorption?The proximal convoluted tubule. Most filtered glucose is reabsorbed there through sodium-coupled transporters.
What does a larger Michaelis constant (Km) indicate about an enzyme's affinity for its substrate?Lower affinity. A higher substrate concentration is needed to reach half of Vmax, so the enzyme binds the substrate less tightly.
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Multiple choice, true/false, short answer

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Explanations on every question

Each answer comes with a short explanation so you learn why an option is right or wrong, not just whether you scored.

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Practice in the browser on the free plan, then export to PDF or DOCX on Plus. Pro adds QTI 2.1 and Moodle XML export.

How it works

Upload your material

Add a PDF, DOCX, PPTX, text file, or clear photos of your review pages. Use notes and sources you have the rights to use.

Choose a question type

Pick multiple choice, true/false, or short answer, and generate a set covering the topics you want to drill.

Review and repeat

Work through the questions, read each explanation, and return to the ones you missed.

A practical approach is to use official material to check how closely your practice matches the exam, then build targeted sets from your own review notes and missed topics. DeckOwl does the second part: it turns your notes into multiple-choice, true/false, or short-answer questions with explanations, so weak areas get more repetitions instead of a fixed number of full-length tests.

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Frequently asked questions

How many MCAT practice questions should I do each day?

There is no universal number, so plan around consistency and review rather than volume. Many students find that reviewing every explanation matters more than finishing a large set.

Should I study with full-length practice tests or topic-by-topic questions?

Topic-by-topic questions are usually better early on, when you are still learning content. Full-length timed sections are more useful closer to the exam for building pacing and stamina.

Does the free plan let me export my questions?

No. The free plan includes 3 generations per month and studying in the browser, and exports are paid features. Plus adds PDF and DOCX export, and Pro adds QTI 2.1 and Moodle XML.

Can I try DeckOwl without a credit card?

Yes, you can start on the free plan without entering a credit card. Students with a school email get 40% off Plus.

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