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Get MCAT practice questions from your own study notes

Khan Academy's lessons cover the content, but you still need questions that test it. DeckOwl builds multiple-choice, true/false and short-answer questions from the material you upload, with an explanation for every answer.

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Where to get more MCAT practice when the lessons run out

Khan Academy's MCAT lessons explain the content well, but reading a lesson is not the same as answering questions under pressure. Many students want more Khan Academy MCAT practice questions once they finish a unit, especially on science topics they have only read about once. DeckOwl turns the lessons, notes or textbook chapters you already have into questions you can practice right away.

Upload lesson notes, practice passages or textbook PDFs
Choose multiple-choice, true/false or short-answer questions
Read an explanation for every answer, right or wrong
Regenerate sets on the topics you keep missing

Example MCAT practice questions with answers

Where in the cell does oxidative phosphorylation mainly occur?The inner mitochondrial membrane. The electron transport chain and ATP synthase are embedded there.

What is the pH of a 0.01 M HCl solution?pH 2. HCl is a strong acid that fully dissociates, so [H+] = 0.01 M and pH = -log(0.01) = 2.

Which amino acid has a side chain that bonds back to its backbone nitrogen?Proline. Its ring makes the backbone nitrogen a secondary amine, which restricts rotation and creates kinks in proteins.

Why is random assignment used in a controlled experiment?To spread confounding variables evenly across groups so differences can be attributed to the treatment.

How does a rise in CO2 affect hemoglobin's oxygen affinity?It lowers affinity, shifting the curve right and releasing more oxygen to tissues, which is the Bohr effect.

Generate the full set

Works from your own material

Upload PDFs, DOCX or PPTX files, plain notes, or photos of pages, and the questions are drawn from what you gave it.

Explanations for every answer

Each question comes with an explanation, so you learn why the right answer is right and why the others are not.

Study in the browser or export

The free plan includes 3 generations a month and browser study. Paid plans add PDF, DOCX, Anki and CSV export.

How it works

Upload your notes

Add a PDF, slide deck, Word file, plain text, or a photo of a page from your lessons or textbook.

Choose a question type

Pick multiple-choice, true/false or short answer, depending on how you want to practice.

Practice and review

Work through the questions, read each explanation, and regenerate sets on the topics you keep missing.

Generated questions work best when the source is specific. A chapter on acid-base equilibria produces questions on buffers and pH calculations rather than general chemistry. Read the explanation after each answer, then note which topics you miss so you can build a new set focused on those sections.

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Frequently asked questions

How many MCAT practice questions should I do each day?

There is no fixed number that works for everyone. Many students mix short daily sets with longer timed sessions closer to test day, and they spend more time on the topics they miss.

How should I review after answering MCAT practice questions?

Read the explanation even when you got the answer right, and write down the concept behind any miss. Retesting that concept a few days later helps it stick.

Does DeckOwl include Khan Academy's own questions?

No. DeckOwl generates questions from the material you upload, so use your Khan Academy notes or saved lessons as the source.

Is there a free plan?

Yes. The free plan includes 3 generations per month and studying in the browser, but exporting to PDF, DOCX or Anki requires a paid plan. Students can get 40% off with a school email, and no credit card is needed to start.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.