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Get MCAT practice questions by chapter from your own notes

Upload a chapter's PDF, slides or notes and get multiple-choice, true/false or short answer questions with explanations.

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Practice questions for each chapter you study

Most MCAT prep follows the order of your review: you finish a chapter on acids and bases, then want MCAT practice questions by chapter that test only that material before moving on.

Generate questions for one chapter at a time, so each set matches what you just studied.
Mix multiple choice and true/false to check recognition, then use short answer to test recall.
Read the explanation after every answer, including the ones you got right.
Return to missed questions after a few days and again before the chapter test.

Example MCAT practice questions by chapter

In competitive enzyme inhibition, how does a competitive inhibitor change Vmax and Km?Vmax is unchanged and Km increases, because enough substrate can outcompete the inhibitor for the active site.

In eukaryotic cells, where does the citric acid (Krebs) cycle take place?The mitochondrial matrix, because the cycle's enzymes are located there.

What is the hybridization of carbon in carbon dioxide, CO2?sp, because carbon has two electron domains (two double bonds), which gives a linear shape.

An object falls freely from rest for 3 seconds. Ignoring air resistance, what is its speed at the end? (g = 9.8 m/s²)About 29.4 m/s downward, since v = gt and mass does not affect free-fall speed.

According to Piaget, which stage do children typically enter around age 7?The concrete operational stage, where logical reasoning about concrete objects develops and conservation is understood.

Generate the full set

Questions from your chapter

Upload the chapter you are reviewing and DeckOwl writes questions only from that material, so you drill what you just read.

Explanations for every answer

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

Flashcards and mind maps too

Turn the same chapter into spaced repetition flashcards or a mind map when you need to review key terms and relationships.

How it works

Upload the chapter

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

Choose question types

Pick multiple choice, true/false or short answer. Each generated question includes an explanation.

Practice and repeat

Work through the set in the browser, then come back to missed questions before you move to the next chapter.

DeckOwl works from the text you give it. Upload your own chapter notes, textbook PDF or lecture slides, and it writes multiple-choice, true/false or short answer questions with explanations tied to that content.

DeckOwl does not include a ready-made MCAT question bank. If you need a printable set, the Plus plan exports your generated questions to PDF and DOCX, and the free plan lets you study them in the browser.

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Frequently asked questions

How many practice questions should I do per MCAT chapter?

There is no fixed number. Aim for enough questions to cover each main concept in the chapter, then repeat the ones you missed after a few days.

Which MCAT chapters should I drill first?

Start with the topics where your practice exam scores were lowest, and quiz each chapter before you move on so gaps do not carry forward.

Can I export my chapter questions to PDF?

Yes, with the Plus plan at $39/year or $7.99/month, which also includes DOCX and Anki export. The free plan lets you study in the browser without exports.

Do I need a credit card to try DeckOwl?

No. You can start on the free plan, which includes 3 generations per month, without adding a credit card.

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