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Turn your lecture notes into a quiz you can share online

Upload a PDF, DOCX, PPTX, plain notes or a photo of a page. DeckOwl writes multiple-choice, true/false and short-answer questions with explanations. No credit card needed to start.

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 account · 3 sets a month · Creates quizzes in seconds

Why build your quiz from your own material

Teachers and students often want to make an online quiz from material they already have, such as lecture slides, a textbook chapter or class notes. DeckOwl reads those files and writes the questions, so your time goes into checking them instead of typing each one from scratch.

Multiple-choice, true/false and short-answer questions from one upload
Explanations written for each answer
Works with PDFs, slides, notes and photos of pages
Students get 40% off Plus with a school email

Example biology quiz questions with answers

Which organelle produces most of the ATP in an animal cell?The mitochondrion. It carries out cellular respiration, which releases energy stored in glucose.

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

Why does a plant cell become firm when placed in pure water?Water enters by osmosis and fills the central vacuole, pressing against the cell wall and creating turgor pressure.

What is the final electron acceptor in aerobic respiration?Oxygen. It combines with electrons and protons to form water, which keeps the electron transport chain running.

What phenotypic ratio results from a dihybrid cross of AaBb by AaBb with complete dominance?9:3:3:1. Each gene segregates independently, so the four combinations of dominant and recessive traits appear in that proportion.

Generate the full set

Questions from your own files

Start from the slides, textbook chapter or handwritten notes you already have. Photos of pages are read with text recognition.

Explanations for every answer

Each multiple-choice, true/false and short-answer question includes an explanation, so the quiz teaches as well as tests.

Export when you need it

Plus exports to PDF and DOCX. Pro adds QTI 2.1 and Moodle XML for learning management systems.

How it works

Upload your material

Add a PDF, DOCX, PPTX, text file or image of a page.

Choose the question types

Pick multiple-choice, true/false or open questions, then generate the quiz.

Review and take the quiz

Check each question and explanation, then take the quiz in the browser or export it.

Every question comes with an explanation, which makes the quiz useful for review as well as self-testing. The free plan includes 3 generations per month and browser study. Plus adds unlimited generations and PDF and DOCX export, and Pro adds QTI 2.1 and Moodle XML export.

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Frequently asked questions

How many questions should a quiz have for one biology lesson?

Five to ten well-chosen questions usually cover one lesson well enough for a quick check. For a full unit, a longer quiz split into topic sections is easier to review and retake.

Which topics should a biology quiz focus on first?

Start with the terms, processes and cause-and-effect relationships that the lecture emphasized, since these are the ideas most likely to appear on an exam. Then add questions on details from the textbook.

Which question types can DeckOwl generate?

DeckOwl generates multiple-choice, true/false and open questions, and each one includes an explanation. You can review and edit the questions before you use the quiz.

Can I export my quiz to Moodle?

Yes, Moodle XML export is available on the Pro plan. Plus includes PDF and DOCX export, and the free plan allows studying in the browser without exports.

Generate free quizzes

Keep exploring the topic

Review the main ideas visually or practice recalling them.