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Students can turn class notes into practice quizzes with AI

Upload a PDF, slide deck, text file or photo of a page. DeckOwl writes questions with explanations so you can test yourself before the exam.

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Free · First set needs no signup · Creates quizzes in seconds

How a quiz maker helps you study

Most students write practice questions only after the exam is close, which leaves little time to fix gaps. An AI quiz maker for students removes that bottleneck by turning the reading you already have into questions within minutes, so you can test yourself the same week you take notes.

  • Generate quizzes from your own notes, slides and readings
  • Review explanations after every answer, right or wrong
  • Mix multiple choice, true/false and open questions in one session
  • Start on the free plan in the browser with no credit card
Example intro biology practice questions
Which organelle produces most of a cell's ATP?The mitochondrion. It runs cellular respiration, where the energy in glucose is captured as ATP.
True or false: mitosis produces four genetically distinct daughter cells.False. Mitosis produces two genetically identical daughter cells, while meiosis produces four genetically distinct gametes.
What does helicase do during DNA replication?It unwinds the double helix by breaking the hydrogen bonds between base pairs, which creates the replication fork.
In a cross of two heterozygous (Aa) parents, what fraction of offspring are expected to be aa?One in four (25%). Each parent passes one allele, and both must be the recessive a for the offspring to be aa.
Why can animal cells burst in pure water while plant cells do not?Plant cells have a rigid cell wall that resists swelling from water uptake. Animal cells have only a membrane, so they can lyse.
Generate the full set

Multiple choice, true/false and open questions

Pick the question style that fits the material. Multiple choice checks recognition, true/false catches misconceptions, and open questions test recall.

Explanations for every answer

Each question includes a short explanation of why the correct answer is right, so a wrong answer becomes a lesson instead of a guess.

Works from your own material

Quizzes come from the notes, slides and readings you already have, not a generic question bank, so they match what your class covers.

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 a question type

Select multiple choice, true/false or open questions, then generate the quiz in one pass.

Study and retake

Answer in the browser, review the explanations, and retake the questions you missed until they stick.

The quality of a quiz depends on the source. Upload a clean lecture PDF or your own typed notes and the questions track the actual content of your course. Check each explanation against your textbook, since a good quiz should teach as well as test.

Mix question types across a study session. Multiple-choice and true/false questions are quick for definitions and dates, while open questions force you to explain a process in your own words, which is what most exams actually ask for.

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Frequently asked questions

How should I use practice quizzes to study intro biology?

Take a short quiz on each chapter soon after reading it, then retake only the questions you missed a few days later. Spacing out retakes builds recall better than one long cram session.

Which question types work best for memorizing biology terms?

Multiple-choice and true/false questions are fast for definitions and classifications. Open questions are better for processes like photosynthesis or DNA replication because they require you to explain each step.

Can I export my quizzes?

PDF, DOCX, Anki and CSV export are included in the Plus plan. QTI 2.1 and Moodle XML export are part of the Pro plan.

Is there a free plan, and do students get a discount?

The free plan includes 3 generations per month and studying in the browser, with no credit card needed to start. Students get 40% off with a school email.

Generate free quizzes

Keep exploring the topic

Review the main ideas visually or practice recalling them.