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Make an online mock test from your own notes

Upload a PDF, slide deck, DOCX file, plain-text notes or a photo of a page. DeckOwl writes multiple-choice, true/false and short-answer questions with explanations, so you can practice before the real exam.

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 mock test beats rereading your notes

Rereading notes feels productive, but it rarely shows you what you cannot recall yet. A online mock test maker fixes that by turning your own material into questions you have to answer from memory.

Use a timed run to practice pacing as well as recall
Mix question types so you practice reading closely, not just spotting familiar terms
Review explanations for questions you guessed correctly, since those are often still weak spots
Retake the same unit after a few days to check what you remember

Example cell biology practice questions

Which organelle produces most of a cell's ATP?The mitochondrion. Its electron transport chain drives most of the ATP production in cellular respiration.

True or false: osmosis moves water toward the side with lower solute concentration.False. Water moves toward the side with higher solute concentration, which is why cells in salt water lose water.

In which phase of mitosis do chromosomes line up along the cell's equator?Metaphase. Spindle fibers attach to the kinetochores and align the chromosomes at the metaphase plate.

What is the main job of the Golgi apparatus?It modifies, sorts and packages proteins and lipids for transport. Proteins from the rough ER pass through it on their way out of the cell.

Why is DNA synthesized in the 5' to 3' direction?DNA polymerase can only add nucleotides to the free 3' hydroxyl end of the growing strand.

Generate the full set

Multiple-choice, true/false and short answer

Pick the question format that fits your exam. Every question comes with an explanation of why the correct answer is right.

Built from your material

Questions come from the pages you upload, so the mock test covers your course content rather than generic trivia.

Export when you need it

Plus exports to PDF and DOCX. Pro adds QTI 2.1 and Moodle XML for schools that run tests in a learning management system.

How it works

Upload your notes or slides

Add a PDF, DOCX, PPTX, text file or photos of pages. Images are read with text recognition.

Choose the question types

Select multiple-choice, true/false or short-answer questions, then generate the test.

Take it and review

Work through the test, then read the explanations for every answer, including the ones you got right.

Build a test that matches the format of your real exam, and cover one unit at a time so the results point to specific gaps. Timed runs help you practice pacing, and the explanations show why each wrong option fails.

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Frequently asked questions

How should I study with a mock test?

Take the test under timed conditions with your notes closed. Then read the explanation for every question, including the ones you got right, and retake the sections you missed after a few days.

What should a mock test cover?

Focus on one unit or chapter at a time so the results show exactly where you are weak. Once those units are solid, combine them into a full-length test that matches your real exam.

Can I export my mock test?

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

Is there a free plan?

Yes. The free plan includes 3 generations per month and studying in the browser, and you do not need a credit card to start.

Generate free quizzes

Keep exploring the topic

Review the main ideas visually or practice recalling them.