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Turn your own notes into a quiz with answers and explanations

Upload a PDF, slide deck or set of notes and get practice questions with the correct answer and a short explanation for each one.

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 account · 3 sets a month · Creates quizzes in seconds

How a quiz maker with answers helps you study

Teachers and students often start with a stack of lecture slides and very little time to write a quiz. A quiz maker with answers saves that step by turning your own material into questions where every correct answer already comes with a reason.

Questions are built from the files you upload, so the quiz matches your course.
Each answer includes an explanation you can review after you miss a question.
Choose the question type that fits the task, from quick true/false checks to short answers.
Start on the free plan with 3 generations per month and no credit card.

Example biology quiz questions with answers

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

What molecule carries amino acids to the ribosome during translation?Transfer RNA (tRNA). Each tRNA matches a codon on mRNA with its matching anticodon.

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.

In which phase of mitosis do sister chromatids separate?Anaphase. Spindle fibers pull the sister chromatids toward opposite poles of the cell.

What is the net ATP yield of glycolysis per glucose molecule?2 ATP. Glycolysis uses 2 ATP and produces 4, for a net gain of 2.

Generate the full set

Answers and explanations

Every multiple-choice, true/false and short answer question includes the correct answer and a short explanation of why it is right.

Works from your own files

Upload PDF, DOCX, PPTX, plain text notes or a photo of a page, which is read with text recognition.

Export when you need it

Plus adds PDF, DOCX, Anki and CSV export. Pro adds QTI 2.1 and Moodle XML for learning management systems.

How it works

Upload your material

Add a PDF, slide deck, Word file, text notes or a photo of a page from your textbook.

Generate the questions

Choose multiple-choice, true/false or short answer, and DeckOwl writes each question with its answer and explanation.

Check and practice

Read each explanation for the questions you missed, then retake the quiz in your browser or export it on a paid plan.

Answer keys only help if you read them. Use the explanation on each question you missed to check your reasoning, then retake the quiz a day or two later to see what stuck.

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Frequently asked questions

How many practice questions should I write for a biology unit?

Aim for 15 to 25 questions per chapter so you can cover definitions, processes and application. Mix multiple-choice with true/false so you practice recognizing both correct and incorrect statements.

Why do answer explanations help more than just the correct letter?

An explanation shows the reasoning behind the right choice and why the other options are wrong. Rewriting that reasoning in your own words tends to stick better than memorizing a letter.

Can I export my quiz with answers?

Export to PDF and DOCX is included in the Plus plan at $99.90 per year or $9.99 per month, and the Free plan lets you study in the browser without exports. QTI 2.1 and Moodle XML export are on the Pro plan at $14.99 per month.

Do I need a credit card to try it?

No. You can start on the Free plan with 3 generations per month and no credit card, and 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.