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Let a quiz generator turn your notes into practice questions

Upload PDFs, slides, DOCX files or photos of pages and get multiple-choice, true/false or short-answer questions with explanations. Free to start, no credit card needed.

Create quizzes nowFree · No credit card required

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 quiz generator builds questions from your material

A quiz generator is most useful when its questions come from the material you will actually be tested on. Upload lecture slides, a PDF of a textbook chapter or typed notes, and DeckOwl writes multiple-choice, true/false or short-answer questions, each with an explanation of the answer.

Multiple-choice, true/false and short-answer formats
Explanations for every question, whether you answered it right or wrong
Works from PDF, DOCX, PPTX, plain text and photos of pages
Free plan includes 3 generations per month, studied in the browser

Example intro biology quiz questions

Which organelle is the main site of ATP production in eukaryotic cells?The mitochondrion, because oxidative phosphorylation in its inner membrane produces most of the cell's ATP.

True or false: prokaryotic cells have a membrane-bound nucleus.False. Bacteria and archaea keep their DNA in a nucleoid region that is not enclosed by a membrane.

Which molecule carries amino acids to the ribosome during translation?Transfer RNA (tRNA), because each tRNA pairs an anticodon with an mRNA codon while carrying the matching amino acid.

In a cross of two heterozygotes (Aa × Aa), what fraction of offspring are homozygous recessive (aa)?1/4, because one of the four equally likely boxes in the Punnett square contains aa.

What is the net ATP yield of glycolysis per glucose molecule?2 ATP, because glycolysis spends 2 ATP and produces 4, for a net gain of 2.

Generate the full set

Three question formats

Multiple-choice, true/false and short-answer questions generated from your own material.

Explanations included

Each question comes with an explanation, so a wrong answer still teaches you something.

Quizzes that follow your notes

Upload PDFs, DOCX, PPTX, plain text or photos of pages, and the quiz covers what you actually uploaded.

How it works

Upload your material

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

Generate the quiz

DeckOwl writes questions with answers and explanations from your content.

Study and retake

Answer in the browser, review the explanations, and retake the questions.

Explanations matter as much as the answer key. When you miss a question, the explanation shows which idea it was testing, so you can return to the right section of your notes instead of memorizing the letter.

The free plan lets you study generated quizzes in the browser. Plus adds PDF and DOCX export for printing, and Pro adds QTI 2.1 and Moodle XML export for courses that run on those systems.

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Frequently asked questions

How many quiz questions should I make for an intro biology exam?

Start with a short set that covers the main ideas of each lecture, then add questions on the topics your instructor stressed. Shorter quizzes spread over several days tend to work better than one long session.

What is the best way to study biology with practice quizzes?

Answer each question before reading the explanation, then rewrite the explanation of every missed question in your own words. Come back to the same questions after a day or two to see what you still remember.

Can I export generated quizzes to PDF or DOCX?

Yes, PDF and DOCX export is included in the Plus plan, which costs $39 per year or $7.99 per month. The free plan lets you study quizzes in the browser without exports.

Does DeckOwl need a credit card to start?

No, you can start on the free plan without a credit card, which includes 3 generations per month. 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.