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Turn your notes into an AI quiz with explanations

Upload PDFs, slides, DOCX files or photos of pages. DeckOwl writes multiple-choice, true/false and short answer questions, and explains every answer.

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

Why students use an AI quiz generator on their own notes

A chapter of lecture slides and a stack of scanned handouts is the usual starting point, and a good AI quiz generator turns that material into practice questions in minutes, each with an explanation for the right answer.

Multiple-choice, true/false and short answer formats
Explanations for every answer, right or wrong
Reads PDFs, slides, DOCX files, plain notes and photos of pages
Free to start with no credit card; students get 40% off with a school email

Example biology quiz questions with answers (biology study topic)

Which organelle produces most of a eukaryotic cell's ATP?Mitochondria. They carry out oxidative phosphorylation, which makes most of the ATP the cell uses.

True or false: DNA replication is semi-conservative.True. Each new double helix keeps one original strand and one newly synthesized strand.

Which phase of mitosis lines chromosomes up along the cell's equator?Metaphase. Spindle fibers attach to kinetochores and align the chromosomes at the metaphase plate.

Short answer: what happens to an enzyme's reaction rate when substrate concentration is far above Km?The rate approaches Vmax. The enzyme is saturated, so adding more substrate does not speed the reaction.

Which blood type is the universal donor for red blood cells?O negative. It has no A, B or Rh D antigens, so it rarely triggers a reaction in recipients.

Generate the full set

Three question formats

Multiple-choice, true/false and short answer questions, so you can practice both recognition and recall.

Explanations for every answer

Each question shows why the correct answer is right, so a missed question teaches you something.

Reads most study material

PDF, DOCX, PPTX, plain text and images of pages, read with text recognition.

How it works

Upload your material

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

Choose question types

Pick multiple-choice, true/false or short answer, and generate the quiz.

Study and review

Answer the questions, read the explanations and retry the ones you missed.

DeckOwl is its own tool, separate from LightPDF. It reads PDF, DOCX, PPTX, plain text and photos of pages through text recognition, then writes multiple-choice, true/false and short answer questions built from your own material rather than a generic question bank.

The free plan includes 3 generations per month and studying in the browser, with no exports. Plus, at $39 a year or $7.99 a month, adds unlimited generations and PDF, DOCX, Anki and CSV export. Pro, at $14.99 a month, adds a stronger AI model, bulk upload, and QTI 2.1 and Moodle XML export for course systems.

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Frequently asked questions

How many quiz questions should I write for a biology unit test?

Ten to twenty well-chosen questions cover most unit tests. Spend extra effort on processes you must explain, such as mitosis or enzyme kinetics, rather than on volume.

Are short answer questions better than multiple choice for studying biology?

Short answer questions make you recall an idea without cues, which builds stronger memory than recognizing a correct option. Mixing both formats gives you practice with recall and with exam-style choices.

Is there a free plan?

Yes. The free plan includes 3 generations per month and studying in the browser, and you do not need a credit card to start. Exports are paid features.

Which export formats need a paid plan?

PDF, DOCX, Anki and CSV export come with Plus, at $39 a year or $7.99 a month. QTI 2.1 and Moodle XML export are part of Pro, at $14.99 a month.

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