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Turn your own notes into exam questions with answers

DeckOwl reads your PDFs, slides, DOCX files and notes, then writes practice questions with a correct answer and a short explanation for each one. Answer first, check second, and study the gaps.

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Drop files here or browsePDF, DOCX, PPTX, text or photos of your notes · several files with Plus

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Why answers and explanations matter when you practice for an exam

Studying from a textbook chapter often means you can reread it but not test yourself on it. An exam generator with answers fills that gap: upload the chapter, and DeckOwl writes multiple-choice, true/false or open questions, each with a correct answer and a short explanation. You answer first and check second, so the key works as a study aid rather than a shortcut.

Multiple-choice, true/false and open questions from PDFs, DOCX, PPTX, text notes or photos of pages
Each question includes an answer and an explanation so you can see why it is right
Free plan includes 3 generations per month and studying in the browser
Paid plans add unlimited generations and PDF or DOCX export; Pro adds QTI 2.1 and Moodle XML

Example biology exam questions with answers

Which organelle produces most of a eukaryotic cell's ATP?The mitochondrion, because oxidative phosphorylation in its inner membrane makes most of the ATP.

True or false: DNA replication is semiconservative.True. Each new double helix keeps one original strand and one newly synthesized strand.

Which bond links amino acids together in a protein?A peptide bond, formed by a condensation reaction between one amino acid's carboxyl group and the next one's amino group.

What is the net ATP yield of glycolysis per glucose molecule?2 ATP, because 4 are produced and 2 are spent in the energy investment phase.

What does Mendel's law of segregation state?Each parent passes one of two alleles for a gene to each offspring, so the pair separates during gamete formation.

Generate the full set

Three question types

Multiple-choice, true/false and open questions, generated from the material you upload.

Answers with explanations

Every question includes the correct answer and one sentence on why it is right, so a wrong guess teaches you something.

Review what you miss

Spaced repetition brings back the flashcards and questions you got wrong at the intervals when you are most likely to forget them.

How it works

Upload your material

Add a PDF, DOCX, PPTX, text file or photos of pages. Text in images is read with text recognition.

Pick a question type

Choose multiple-choice, true/false or open questions, then generate a set from your own chapter or lecture.

Answer, then check

Work through the questions before opening the key, then read each explanation, including for the ones you got right.

Explanations matter more than the letter you picked. When a question is wrong, the explanation shows which idea you missed, and that idea is what tends to carry over to the real exam. Flashcards with spaced repetition can then bring the same material back when you are most likely to forget it.

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Frequently asked questions

How should I use practice questions before an exam?

Work through one chapter or unit at a time, answer without looking at the key, then read every explanation, including the ones you got right. Redo the questions you missed a day or two later to see whether the idea stuck.

Does checking answers against explanations help more than rereading notes?

Testing yourself and getting immediate feedback generally builds recall better than rereading the same notes. Write one sentence explaining why each wrong answer is wrong, since that is the step most people skip.

Can I export generated questions to Word or an LMS?

Exports are paid features. Plus includes PDF and DOCX export, and Pro adds QTI 2.1 and Moodle XML for importing into a learning management system.

Is there a free way to try it?

Yes. The free plan gives you 3 generations per month and lets you study in the browser, 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.