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Turn your MCAT review notes into a practice test with answers

Upload your own MCAT notes, slides or PDFs and get multiple-choice, true/false or short answer questions with explanations, then study them in your browser.

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Why a custom MCAT practice test works better than a fixed one

Most free MCAT practice tests online are fixed sets written for everyone, so the questions rarely match what your course covered. A free MCAT practice test with answers built from your own review notes keeps practice tied to the material you are actually studying.

  • Upload PDFs, DOCX files, PPTX slides, plain text notes or photos of pages.
  • Choose multiple choice, true/false or short answer questions.
  • Read an explanation for every answer, including the ones you got right.
  • Start on the free plan with 3 generations per month and no credit card.
Example MCAT biology and biochemistry practice questions
Which enzyme unwinds DNA ahead of the replication fork?Helicase. It breaks the hydrogen bonds between base pairs so DNA polymerase can copy each strand.
Which hormone raises blood glucose by stimulating glycogen breakdown in the liver?Glucagon. Alpha cells release it when blood glucose falls, which triggers glycogenolysis.
What is the net ATP yield from glycolysis per glucose molecule?2 ATP. Four ATP are produced, but two are spent in the energy investment phase.
Which part of the nephron reabsorbs most of the filtered glucose?The proximal convoluted tubule. SGLT transporters there reclaim most glucose before urine forms.
True or false: a lower Km means an enzyme has a lower affinity for its substrate.False. A lower Km means the enzyme reaches half its maximum rate at a lower substrate concentration, which indicates higher affinity.
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Questions from your material

Upload PDFs, slides, DOCX files, notes or photos of pages, and get multiple-choice, true/false or short answer questions.

Explanations for every answer

Each question shows the correct answer and why, so you can see the reasoning behind a wrong choice.

Study in the browser

The free plan includes 3 generations per month and browser study. Exports to PDF, DOCX, Anki and CSV are on Plus.

How it works

Upload your notes

Add a PDF, slides, a DOCX file, plain text or a photo of a page.

Choose the question type

Pick multiple choice, true/false or short answer, then generate the set.

Take the test and check answers

Answer in the browser and read the explanation for each question you miss.

Answers matter more than the score. When you miss a question, the explanation shows which concept you confused, such as mixing up a competitive and a noncompetitive enzyme inhibitor. Work the same weak topic again a few days later to see whether it sticks.

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Frequently asked questions

How should I review MCAT answers so I learn from mistakes?

Write down the concept behind each missed question in your own words before checking the reasoning again. Then retest that topic after a few days to confirm you can answer it without the explanation.

How many practice questions should I do before a full-length MCAT?

Work through enough questions in each section to see your error patterns, then take full-length practice tests under timed conditions. The right count depends on your schedule and how many weak topics remain.

Can I export a generated practice test as a PDF?

Yes, PDF and DOCX export are included in Plus at $39/year or $7.99/month, while the free plan lets you study in the browser without exports. Students with a school email get 40% off.

Does DeckOwl provide a ready-made MCAT question bank?

No, DeckOwl creates tests from the material you upload, so the questions match your own notes or course content. The free plan includes 3 generations per month.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.