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Turn your notes into a quiz with correct answers

Upload a PDF, slide deck or set of notes. DeckOwl writes multiple-choice, true/false and open questions, each with the correct answer marked and explained.

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 a quiz should show the correct answer

Most quiz tools produce questions but leave you to check the answers yourself, which is where mistakes stick. A quiz maker with correct answers marks the right option on every question and explains the reasoning, so you can fix a wrong belief the moment you hold it.

Every question is paired with its correct answer, not just a list of options.
Explanations appear alongside answers so wrong choices teach you something.
Works from PDFs, slides, DOCX files, notes and photos of pages.
Free plan includes 3 generations per month and browser study; exports need a paid plan.

Example biology quiz questions with correct answers

Which organelle produces most of a cell's ATP?The mitochondrion. It carries out oxidative phosphorylation, which generates most of the cell's ATP.

True or false: Water moves by osmosis toward the side with more dissolved solute.True. Water moves from the side with lower solute concentration to the side with higher solute concentration across a membrane.

What does the enzyme helicase do during DNA replication?It unwinds the double helix by breaking hydrogen bonds between base pairs, which creates the replication fork.

Which blood type is the universal donor for red blood cells?O negative. It has no A or B antigens and no Rh D antigen, so it can be given to most patients.

What happens to a neuron's membrane potential when sodium channels open?It depolarizes and becomes less negative inside, because sodium ions move into the cell down their concentration gradient.

Generate the full set

Correct answer on every question

Each multiple-choice, true/false and open question shows the right answer so you can check your understanding right away.

Explanations you can read

A short explanation sits beside each answer, so you learn why an option is right or wrong, not just which one.

Built from your own material

Questions come from the PDFs, slides, DOCX files, notes or photographed pages you upload, not from a generic question bank.

How it works

Upload your material

Add a PDF, DOCX, PPTX, plain text file or a photo of a page. Photos are read with text recognition.

Choose question types

Pick multiple choice, true/false or open questions. Each one is generated with its correct answer and an explanation.

Study or export

Take the quiz in your browser on the free plan. Paid plans add PDF, DOCX, Anki and CSV export, and Pro adds QTI 2.1 and Moodle XML.

Explanations matter most on questions you almost got right. Reading why the distractor fails shows you the exact distinction a test writer is looking for, such as a similar term or a reversed cause and effect.

If you teach or run a course, the same generated questions can be exported to PDF or DOCX for handouts. QTI 2.1 and Moodle XML export are available on the Pro plan for importing into a learning management system.

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Frequently asked questions

How do I check that a quiz question has only one correct answer?

Read the explanation attached to the answer and confirm it matches your source material. If two options seem right, the question may be badly worded, so rewrite it or regenerate it from a clearer section.

Why should a practice quiz explain the correct answer as well as mark it?

An explanation shows the reasoning behind the answer, which helps you apply it to new questions. Knowing only which option is correct makes it easy to memorize without understanding.

Can I export quiz questions with correct answers to Moodle?

Yes, Moodle XML and QTI 2.1 export are included in the Pro plan at $14.99 per month. PDF, DOCX, Anki and CSV export are available on the Plus plan.

Is there a free plan to try the quiz maker?

Yes, the free plan includes 3 generations per month and lets you study in the browser. It does not include exports, and no credit card is needed to start.

Generate free quizzes

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