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Turn your biology notes into MCAT practice questions

Upload your MCAT biology notes, slides or textbook pages and get practice questions with explanations in minutes. No credit card needed to start.

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Drop files here or browsePDF, DOCX, PPTX, text or photos of your notes · several files with Plus

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Why practice questions from your own notes work better

Reviewing MCAT biology goes best when you test yourself on the exact concepts your course covered, and MCAT biology practice questions built from your own material do that directly. Upload the notes you already have and the questions reflect your coverage, not someone else's.

Multiple-choice, true/false and short-answer formats
Explanations for every question, right or wrong
Questions drawn only from the material you upload
Free plan includes 3 generations per month and browser study

Example MCAT biology practice questions

Which organelle is the main site of oxidative phosphorylation in eukaryotic cells?The inner mitochondrial membrane, where the electron transport chain and ATP synthase are located, so most ATP is produced there.

In competitive enzyme inhibition, how do Vmax and Km change?Vmax stays the same because enough substrate can outcompete the inhibitor, while Km increases because more substrate is needed to reach half-maximal velocity.

True or false: DNA polymerase III synthesizes the leading strand in the 5' to 3' direction.True, because nucleotides are added to the 3' end of the growing strand, which lets the leading strand be made continuously.

Which phase of mitosis is when sister chromatids separate?Anaphase, because cohesin is cleaved and spindle fibers pull the chromatids toward opposite poles.

What conditions does Hardy-Weinberg equilibrium require for allele frequencies to stay constant?No mutation, no migration, random mating, no natural selection and a very large population, since any violation can change allele frequencies.

Generate the full set

Built from your own material

Upload PDFs, slides, DOCX files, plain notes or photos of pages and get questions based on what you actually studied.

Three question formats

Multiple-choice, true/false and short-answer questions, each with an explanation so every wrong answer teaches you something.

Study in the browser or export

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

How it works

Upload your notes

Add a PDF, slide deck, DOCX file, text or a photo of your biology notes.

Choose your question type

Pick multiple-choice, true/false or short-answer questions for your MCAT biology review.

Practice and read the explanations

Answer each question, read the explanation, and revisit the concepts you missed.

If you were hoping for a ready-made printable set, DeckOwl takes a different route: it writes a new set from the pages you upload, so the questions match what you are studying. Photos of pages are read with text recognition, though typed notes usually produce the cleanest questions.

Each question comes with an explanation, so a wrong answer becomes a lesson about the biology behind it. Revisit missed items after a few days, since spaced repetition of practice tends to hold up better than one long session.

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Frequently asked questions

What topics do MCAT biology practice questions usually cover?

Most MCAT biology review draws on cell biology, biochemistry, genetics, physiology and evolution, often tested through passages. Upload your own review notes and DeckOwl writes questions only from the material you provide.

How many practice questions should I do in one session?

There is no fixed number that works for everyone, but short daily sets with explanations read after each answer tend to beat one long cram session. Spacing your review across weeks helps more than any single set.

Can I export the questions to print them or load them into Moodle?

PDF and DOCX export is available on the Plus plan, and QTI 2.1 and Moodle XML export are on the Pro plan. The free plan lets you study in the browser with 3 generations per month.

Do I need a credit card to try it?

No, you can start on the free plan without a credit card. Students with a school email get 40% off paid plans.

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