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Turn any PDF into a quiz with AI

Upload a chapter, lecture slides or your own notes. Get practice questions with explanations, then test yourself until the answers stick.

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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 to make a quiz from a PDF that tests recall

Most students already have what they need in a PDF: a textbook chapter, lecture notes or a past paper. The fastest way to test yourself on it is to make a quiz from a PDF instead of rereading the same pages. DeckOwl reads the file, picks out the key ideas and writes questions with explanations you can check against the source.

Start from the exact pages you need to study, not a whole book
Mix question types so you cannot guess your way through the set
Read the explanation after every answer, right or wrong
Repeat only the questions you missed until they are easy

Example photosynthesis quiz questions for biology students

Where in the plant cell does the light-dependent reaction take place?In the thylakoid membranes of the chloroplast, because that is where chlorophyll captures light energy to make ATP and NADPH.

What gas is released as a by-product when water is split during photosynthesis?Oxygen. Water is split in photosystem II, and the oxygen leaves as a by-product while electrons move down the chain.

True or false: the Calvin cycle needs light to run directly.False. The Calvin cycle uses the ATP and NADPH produced in the light reactions, so it does not need light directly.

Which enzyme fixes carbon dioxide in the Calvin cycle?RuBisCO. It attaches CO2 to RuBP, which starts the process of building sugar.

What does the Calvin cycle produce that the plant later uses to build glucose?G3P (glyceraldehyde 3-phosphate), which the plant uses to build glucose and other carbohydrates.

Generate the full set

Works with your own files

Upload PDF, DOCX, PPTX, plain text notes or photos of pages. Scanned pages are read with text recognition.

Three question types

Multiple-choice, true/false and short-answer questions, each with an explanation so you know why an answer is right.

Study in the browser

Take the quiz right away on the free plan. Paid plans add exports for PDF, DOCX and Anki, plus CSV.

How it works

Upload your material

Add a PDF, slides, a document or notes. Pick the topic area if you want the questions to focus on one section.

Choose the question types

Select multiple-choice, true/false or short-answer, or mix them together for a varied practice set.

Take the quiz and review

Answer each question, read the explanation, and retake the weak spots until you get them right.

Quiz questions work best when they force recall. Multiple-choice items check whether you can tell similar answers apart, true/false catches common misconceptions, and short-answer questions make you explain an idea in your own words. Retake the quiz a few days later to see what you still remember.

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Frequently asked questions

Can I make a quiz from a scanned PDF or a photo of a page?

Yes. Scanned pages and photos are read with text recognition, so the quiz is built from the words on the page. Check the first few questions against the original to confirm the text was read correctly.

How many questions should a quiz on one chapter have?

Ten to twenty questions usually covers a chapter well enough to spot gaps. Shorter quizzes are easier to repeat, which tends to help more than one long test.

Can I export the quiz?

Exports are part of the paid plans: Plus includes PDF, DOCX, Anki and CSV, and Pro adds QTI 2.1 and Moodle XML. The free plan gives you 3 generations a month and lets you study in the browser.

Does it work with slides and notes too?

Yes. You can upload PDF, DOCX, PPTX, plain text notes or images. Students get 40% off with a school email, and no credit card is needed to start.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.