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Give students online quizzes built from your own notes

Upload slides, PDFs or notes and get a practice quiz with an explanation for every answer. Add the prizes yourself.

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Online quizzes for students, built from your own material

Many teachers want online quizzes for students that feel like a game, with prizes for the top scores. DeckOwl focuses on the quiz itself: it reads your slides, PDFs or notes and writes questions with explanations, and any prizes or rewards stay with you as the teacher.

Questions come from your uploaded slides, notes or readings
Multiple-choice, true/false and short-answer formats
An explanation for every answer, right or wrong
Exports to PDF or DOCX on Plus, and QTI or Moodle XML on Pro

Example cell biology quiz questions for students

Which organelle is the main site of aerobic respiration in a cell?The mitochondrion, because it produces most of the cell's ATP through the Krebs cycle and electron transport chain.

True or false: osmosis moves water from a solution with high solute concentration to one with low solute concentration.False, because water moves toward the side with higher solute concentration, which has less free water.

What is the role of messenger RNA?It carries a copy of genetic instructions from the nucleus to ribosomes, where proteins are assembled.

Why do plant cells have a rigid cell wall while animal cells do not?Plant cell walls are made of cellulose and provide structure and support, while animal cells rely on the cytoskeleton instead.

What happens to an enzyme-catalyzed reaction rate above the enzyme's optimal temperature?The rate drops, because high heat denatures the enzyme so its active site no longer fits the substrate.

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Three question types

Multiple-choice, true/false and short-answer questions, so a quiz can check recall and understanding.

Explanations on every answer

Students see why the correct answer is right, which turns a wrong guess into a lesson.

Exports on paid plans

Export to PDF or DOCX on Plus, or to QTI 2.1 and Moodle XML on Pro, for the platform your class already uses.

How it works

Upload your material

Add a PDF, DOCX, PPTX, plain text notes or a photo of a page.

Generate the quiz

Choose multiple-choice, true/false or short answer, and DeckOwl writes the questions and explanations.

Share or study

Study in the browser on the free plan, or export the quiz when you need it in another system.

Quizzes work best when they match what was taught. Because each question comes from your own lecture or reading, students practice the exact material they will be tested on instead of generic trivia.

Start with a short quiz after each lesson, then a longer one before a unit test. The explanations do much of the teaching, so students can review their mistakes without waiting for the next class.

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Frequently asked questions

How many questions should an online quiz for students have?

Five to ten questions are usually enough to check one lesson. A longer quiz of around twenty questions works better for a full unit, because it covers more topics without tiring students.

How do I write a quiz that tests understanding, not just memory?

Mix true/false questions for quick recall with short-answer questions that ask students to explain a process in their own words. Reading the explanation after each answer helps them see the reasoning behind the correct response.

Can I export quizzes to Moodle?

Yes, Moodle XML export is included on the Pro plan, which also supports QTI 2.1. PDF and DOCX export are available on the Plus plan at $39/year or $7.99/month.

Do I need a credit card to try DeckOwl?

No. The free plan includes 3 generations per month and studying in the browser, and students with a school email get 40% off paid plans.

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