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Get MCAT practice questions written from your own study notes

Upload a chapter, slide deck or photo of class notes. DeckOwl writes multiple-choice, true/false and short answer questions with explanations, so you practice what you are actually studying.

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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 build your own set instead of printed ones

A printed Kaplan-style book gives you ready-made MCAT practice questions, but its order rarely matches the topics your own course has covered this week.

Match practice to the chapter you are studying this week
Get explanations that show why each wrong option fails
Mix multiple-choice, true/false and short answer formats
Export to PDF or DOCX on Plus, starting at $7.99/month or $39/year

Example MCAT practice questions for biology and physics

Competitive inhibitors increase Km. How does adding more substrate affect Vmax in the presence of a competitive inhibitor?Vmax is unchanged. Excess substrate outcompetes the inhibitor for the active site, so the maximum rate is still reached at a higher substrate concentration.

In eukaryotic cells, where does the citric acid cycle take place?The mitochondrial matrix. Its enzymes run the cycle there and produce NADH and FADH2 that feed the electron transport chain.

True or false: at physiological pH, most amino acids exist as zwitterions.True. The amino group is protonated and the carboxyl group is deprotonated, giving a molecule with both a positive and a negative charge.

A 2 kg object moves at 3 m/s. What is its kinetic energy?9 J. Kinetic energy is one half times mass times velocity squared, so one half times 2 kg times 9 m2/s2 equals 9 J.

In Piaget's theory, which stage typically begins around age 7 and involves logical reasoning about concrete events?The concrete operational stage. Children reason logically about objects and events they can observe but still struggle with abstract hypotheticals.

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Built from your material

Questions come from the PDF, slides, DOCX, text or page photo you upload, not from a generic question bank.

Explanations for every answer

Each question includes an explanation, so a missed answer teaches you the reasoning behind the correct one.

Study free in the browser

The free plan gives you 3 generations per month. PDF and DOCX export are included on Plus.

How it works

Upload your notes

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

Choose a question type

Pick multiple-choice, true/false or short answer questions for the topic you are reviewing.

Answer and review

Read each explanation, then move the terms you keep missing into a flashcard deck with spaced repetition.

DeckOwl works the other way around. Upload your class notes or a textbook chapter, and it writes questions and explanations drawn from that exact material.

Review every question you miss, then add the terms you keep getting wrong to a flashcard deck so they come back on a spaced schedule.

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Frequently asked questions

How many MCAT practice questions should I do each day?

There is no single right number. Many students work through a focused set after each content review and track which topics they miss most often.

How do I use practice questions to study for the MCAT?

Try each question before reading the explanation, then review every wrong answer and the reasoning behind it. Turning repeated misses into flashcards helps the facts stick.

Does DeckOwl include Kaplan's question bank?

No. DeckOwl is not affiliated with Kaplan and creates questions only from the material you upload.

Can I export the questions?

PDF and DOCX export are included on Plus, which costs $39/year or $7.99/month, and QTI 2.1 and Moodle XML export are on Pro at $14.99/month. You can start on the free plan without a credit card.

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