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Turn your notes into a quiz with answers in minutes

Upload a PDF, slide deck, text file or photo of a page. DeckOwl writes multiple-choice, true/false and short-answer questions, each with a correct answer and an explanation.

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How a quiz with answers helps you study

Students who need a quiz with answers usually want to test themselves on a chapter before an exam and then see exactly where they went wrong. A quiz without answers leaves you guessing, while one with explanations shows the reasoning behind each correct choice.

  • Pick multiple-choice, true/false or short-answer format for each quiz
  • Read a one-sentence explanation after every answer
  • Retake missed questions to check what stuck
  • Study in the browser on the free plan, with exports on paid plans
Example intro biology quiz questions with answers
Which organelle produces most of a cell's ATP?The mitochondrion. It carries out cellular respiration, and its inner membrane hosts the electron transport chain that makes most of the cell's ATP.
What is the net ATP yield of glycolysis per glucose molecule?2 ATP. Glycolysis spends 2 ATP in its investment phase and produces 4, so the net gain is 2.
True or false: prokaryotic cells have a membrane-bound nucleus.False. Prokaryotes lack a membrane-bound nucleus, so their DNA sits in a region called the nucleoid.
What does RNA polymerase do during transcription?It builds an RNA strand from a DNA template by reading the template strand and adding complementary RNA bases.
Why does net diffusion stop at equilibrium?Molecules keep moving, but they are evenly spread out, so there is no concentration gradient left to drive a net flow.
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Answers and explanations

Every question comes with the correct answer and a short explanation of why it is right, so you can check your reasoning.

Three question types

Get multiple-choice, true/false or short-answer questions, or mix them in one quiz depending on what you need to practice.

Built from your material

Questions come from your own notes or course files, so the quiz covers what your class actually teaches.

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 the question type

Pick multiple-choice, true/false or open questions and set how many you want.

Take the quiz and review

Study in the browser, check each answer against its explanation, and revisit weak spots.

DeckOwl builds that kind of quiz from the material you already have. Upload lecture slides, a textbook chapter or your own notes, and the questions stay tied to what your instructor covered rather than generic trivia.

Answer keys are most useful when you attempt the questions first. Work through the quiz without looking at the answers, mark the ones you missed, and then read the explanations before trying the set again a day later.

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Frequently asked questions

How many questions should a practice quiz have?

Ten to twenty questions works well for a single chapter, since it is long enough to show patterns but short enough to finish in one sitting. For a full unit, split the material into several smaller quizzes.

Should I answer the quiz before checking the answers?

Yes. Attempt each question first, then compare your answer with the key and read the explanation, because the gap between your guess and the correct answer is where the learning happens.

Can I export the quiz with answers?

Exports are a paid feature. Plus includes PDF and DOCX export, and Pro adds QTI 2.1 and Moodle XML export for learning management systems. The free plan lets you study in the browser without exports.

Do I need a credit card to try it?

No. You can start on the free plan with 3 generations per month without entering a credit card. Students with a school email get 40% off paid plans.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.