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Use a quiz maker to review your notes before the exam

Upload a lecture PDF, a slide deck or a page of notes. DeckOwl writes multiple-choice, true/false and short-answer questions with an explanation for each answer, so you can test yourself on what you actually have to know.

Create quizzes nowFree · No credit card required

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

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

Why a quiz beats rereading for review

Rereading notes feels productive, but answering questions is what moves facts into memory. A quiz maker for review takes the material you already have and builds practice questions from it, so you test yourself on your own course content instead of a generic set.

Multiple-choice, true/false and short-answer question types
Explanations on every question, right or wrong
Works with PDFs, slides, Word files, text notes and photos of pages
Free to start with no credit card, and students get 40% off with a school email

Example review questions for intro biology

Which organelle produces most of a cell's ATP?The mitochondrion. It carries out cellular respiration, which converts glucose and oxygen into ATP.

Is DNA replication semiconservative?True. Each new double helix keeps one original strand and gains one newly synthesized strand.

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.

What is the main structural component of plant cell walls?Cellulose. This glucose polymer forms rigid fibers that give plant cells their shape and support.

In osmosis, which way does water move across a membrane?Toward the side with higher solute concentration. Water follows its gradient across the semipermeable membrane to the more concentrated side.

Generate the full set

Built from your own material

Upload PDF, DOCX, PPTX, plain text or a photo of a page. Text recognition reads images, so handwritten-style scans and textbook photos work too.

Explanations for every answer

Each question comes with a short explanation, so a wrong answer teaches you why the right one is correct instead of just marking it red.

Study in the browser or export

Take the quiz on the free plan with no credit card needed. Paid plans export to PDF, DOCX, Anki and CSV, and Pro adds QTI 2.1 and Moodle XML.

How it works

Upload your notes

Add a PDF, slides, a Word file, plain text or a photo of the page you want to review.

Choose the question types

Pick multiple choice, true/false or short answer, or mix them to match how your exam is written.

Take the quiz and review

Answer the questions, read each explanation, then retake the ones you missed until they feel easy.

Upload a lecture PDF, a DOCX handout, a PPTX deck or a photo of a textbook page, and the generator pulls out the key ideas. Every question includes an explanation, which turns a wrong answer into a short lesson on the exact point you missed.

The free plan gives you 3 generations per month with studying in the browser. Plus adds unlimited generations and PDF, DOCX, Anki and CSV export, so you can print a review sheet or move cards into your spaced repetition routine.

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Frequently asked questions

How many review questions should I make for a biology exam?

A set that covers each major topic in a chapter is usually enough to start. Begin with the concepts your instructor emphasized, then add more questions on the topics you keep missing.

What is the best way to review a quiz after taking it?

Read the explanation for every question, including the ones you got right, and restate the concept in your own words. Retake the missed questions a day or two later so the recall is spaced out.

Can I export the quiz to PDF or Moodle?

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

Do I need a credit card to try it?

No. The free plan includes 3 generations per month and studying in the browser, and you can upgrade later if you need more.

Generate free quizzes

Keep exploring the topic

Review the main ideas visually or practice recalling them.