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Turn any study guide into a practice test with AI

Upload the PDF, slides or notes you already have. DeckOwl writes multiple-choice, true/false and short answer questions from the material, and each answer comes with an explanation.

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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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How a practice test generator works with a study guide

Most study guides list key terms and chapter summaries, but few come with a test you can take. A practice test generator from study guide material fills that gap by reading the text and writing questions from the sections you already need to learn.

Questions are based on the exact pages you upload, not on a general topic list.
Multiple-choice, true/false and short answer formats are all available.
Every question includes an explanation of the correct answer.
The free plan lets you study the test in the browser with 3 generations per month.

Example cell biology practice questions

Which organelle produces most of a eukaryotic cell's ATP through aerobic respiration?The mitochondrion, because the electron transport chain and most of the ATP synthesis run on its inner membrane.

True or false: in DNA replication, each new double helix contains one original strand and one newly made strand.True. The parent strands separate, and each one serves as a template for a new complementary strand.

How do the daughter cells from mitosis and meiosis differ in chromosome number?Mitosis gives two diploid cells that are genetically identical to the parent, while meiosis gives four haploid cells because it divides twice after one round of DNA replication.

Why does facilitated diffusion require a membrane protein?Because the solute is too large or too polar to pass through the lipid bilayer directly, so a channel or carrier protein has to help it across.

What do the light-dependent reactions of photosynthesis supply to the Calvin cycle?ATP and NADPH, because the Calvin cycle uses both to fix carbon dioxide into sugar.

Generate the full set

Questions from your own guide

Questions are written from the pages you upload, so the test covers your course material instead of generic topics.

Explanations for every answer

Each multiple-choice, true/false or short answer question shows why the correct answer is right, so missed questions become lessons.

Works with PDF, DOCX, slides and photos

Upload a PDF, DOCX, PPTX, plain text or a photo of printed pages, and text recognition reads it before the test is built.

How it works

Upload your study guide

Add the PDF, Word file, slide deck or notes that you want to test yourself on.

Choose the question types

Pick multiple-choice, true/false or short answer questions, or mix them in one practice test.

Take the test and review

Answer the questions, read the explanations for anything you missed, and go back to the matching section of the guide.

DeckOwl builds each question from the content it finds in your upload, then attaches an explanation to every answer. Multiple-choice, true/false and short answer formats let you check recall and understanding, and the explanations point you back to the right part of the guide.

On the Plus plan you can export the test to PDF or DOCX for printing or offline review. Pro adds QTI 2.1 and Moodle XML export for instructors who build tests in a learning management system.

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Frequently asked questions

How many questions should a practice test cover for a study guide?

Match the count to the number of sections in the guide so each chapter or unit gets at least a few questions. Shorter tests are easier to repeat, while longer ones check more of the material at once.

How should I use a practice test when studying from a guide?

Take it closed-book first, then read the explanation for every missed question and find that section in the guide. Retake the questions you got wrong after a day or two to see whether they stuck.

Can I export the practice test?

PDF and DOCX export are included in the Plus plan at $39/year or $7.99/month, and QTI 2.1 and Moodle XML export are in Pro at $14.99/month. The free plan lets you study in the browser without exports.

Do I need a credit card to start?

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

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Keep exploring the topic

Review the main ideas visually or practice recalling them.