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Turn any PDF into a quiz with AI

Upload a lecture handout, textbook chapter or slide deck. DeckOwl writes multiple-choice, true/false and short answer questions with an explanation for every answer.

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How a PDF to quiz maker app helps you study

Most course material already lives in a PDF, whether it is a lecture handout, a textbook chapter or a slide deck saved as a file. A PDF to quiz maker app reads that file and writes questions from it, so your time goes into answering rather than drafting.

  • Multiple-choice, true/false and short answer question types
  • An explanation for every answer, right or wrong
  • Works from PDFs, PPTX slides, DOCX files, notes and page photos
  • Export to PDF or DOCX on Plus, and QTI 2.1 or Moodle XML on Pro
Example respiratory system quiz questions
Which muscle is the main driver of quiet inhalation?The diaphragm. It contracts and moves downward, which enlarges the chest cavity and draws air into the lungs.
True or false: oxygen moves from the alveoli into the blood by diffusion.True. The partial pressure of oxygen is higher in the alveoli than in the pulmonary capillary blood, so oxygen moves down that gradient.
Which flap of cartilage covers the airway during swallowing?The epiglottis. It folds over the opening of the larynx so food and liquid travel into the esophagus instead of the trachea.
Most carbon dioxide is transported in the blood as which ion?Bicarbonate (HCO3-). Red blood cells convert CO2 to bicarbonate with carbonic anhydrase, which makes it easier to carry in plasma.
Where does gas exchange take place in the lungs?In the alveoli. These thin-walled air sacs are surrounded by capillaries, and the short diffusion distance allows oxygen and carbon dioxide to move quickly.
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Three question types

Multiple-choice, true/false and short answer questions, so you can test recognition and recall in the same set.

Explanations for every answer

Each question shows why the correct answer is right, so a wrong guess becomes a lesson instead of a dead end.

Built from your own files

Works with PDF, DOCX, PPTX, plain text notes and photos of pages read with text recognition.

How it works

Upload your file

Drop in a PDF, slide deck, Word document or photo of your notes.

Pick question types

Choose multiple-choice, true/false, short answer or a mix before you generate.

Study and review

Answer the quiz in your browser, read the explanations and retest the questions you missed.

DeckOwl accepts PDF, DOCX, PPTX, plain text notes and images of pages. Each question comes with an explanation, which helps you check your reasoning against the source material instead of memorizing a letter.

The free plan includes 3 generations per month and studying in the browser. Plus adds unlimited generations and PDF or DOCX export for printing or sharing with classmates.

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Frequently asked questions

How many questions should a quiz on the respiratory system include?

For one lecture, 10 to 20 questions usually cover the main structures and the steps of gas exchange. A shorter set of 5 to 8 works well for a quick review before a test.

What is the best way to study the respiratory system?

Trace the path of air from the nose through the trachea and bronchi to the alveoli, then say each structure aloud. Quizzing yourself on that sequence tests recall better than rereading the diagram.

Can I export the quizzes I generate?

Exports to PDF and DOCX are part of the Plus plan, and QTI 2.1 and Moodle XML export are on Pro. The free plan lets you study in the browser without exporting.

Is there a free plan, and do I need a credit card?

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

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Keep exploring the topic

Review the main ideas visually or practice recalling them.