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Turn your class notes into a practice test with AI

Upload a lecture deck, a textbook chapter or handwritten notes photographed on your phone. DeckOwl drafts questions with explanations you can check against your material.

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

Free · First set needs no signup · Creates quizzes in seconds

How a practice test maker fits into studying

Teachers and students often start with a stack of slides and no time to write questions. A practice test maker app can read those slides and draft a quiz you can take right away.

Choose multiple choice, true/false or short answer questions for each study session.
Read the explanation after every answer, right or wrong, before moving on.
Mix in missed questions again later with spaced repetition to lock in recall.
Check the questions against your source material before a major exam.

Example photosynthesis practice questions

Which organelle is the site of photosynthesis in plant cells?The chloroplast. It contains chlorophyll, which absorbs light energy for the process.

True or false: photosynthesis releases oxygen as a byproduct.True. Water molecules are split during the light-dependent reactions, and oxygen is released.

What are the two main stages of photosynthesis?The light-dependent reactions and the Calvin cycle. The first makes ATP and NADPH, and the second uses them to fix carbon into sugar.

Which gas does the Calvin cycle fix into sugar?Carbon dioxide. The enzyme RuBisCO attaches it to a five-carbon sugar to start building glucose.

Why do most plants look green?They reflect green light. Chlorophyll absorbs mostly red and blue wavelengths.

Generate the full set

Three question types

Multiple choice, true/false and short answer questions, so you can test recall and understanding.

Explanations for every answer

Each question shows why the correct answer is right, so a wrong answer becomes a lesson.

Works from your own material

Start from PDFs, DOCX or PPTX files, plain notes, or a photo of a page read with text recognition.

How it works

Upload your material

Add a PDF, slide deck, Word file, text notes or a photo of a page.

Generate the quiz

DeckOwl writes questions from your content, with answers and explanations.

Practice and review

Take the test in the browser, then study missed questions with spaced repetition.

Writing your own questions still helps, but generated questions give you more practice reps in less time. Review the explanations after each attempt, since they show the reasoning behind each correct answer.

Paid plans let you export questions to PDF, DOCX, Anki or CSV. Pro adds QTI 2.1 and Moodle XML for schools that run their own learning systems.

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Frequently asked questions

How many practice questions should I answer per session?

Start with 10 to 20 questions on one topic, then review every explanation you did not expect. Shorter sessions spread over several days tend to work better than one long cram.

What kinds of questions work best for photosynthesis review?

Mix a few light-dependent versus Calvin cycle questions with true/false items about oxygen and carbon dioxide. Short answer questions show whether you can explain the process in your own words.

Is there a free plan?

Yes. The free plan includes 3 generations per month and studying in the browser, but it does not include exports.

Which export formats are paid features?

PDF, DOCX, Anki and CSV export are included in Plus, which costs $39/year or $7.99/month. QTI 2.1 and Moodle XML export are part of Pro at $14.99/month.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.