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Get a biology quiz from your own notes or slides

Upload your class material and DeckOwl writes multiple-choice, true/false and short-answer questions, each with an explanation of why the answer is right.

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

How a biology quiz helps you study

A biology quiz works best when it comes from the readings and slides your instructor actually uses. Pulling questions straight from your own chapter notes means the practice matches what shows up on your exam, from cell respiration to genetics.

Questions that match your own lecture notes and textbook chapters
Explanations that show the reasoning behind each correct answer
Quizzes that cover one unit or the whole course
Study in the browser on the free plan, with exports on paid plans

Example biology quiz questions

Which organelle is the main site of ATP production in most eukaryotic cells?Mitochondria. They carry out cellular respiration, which converts glucose and oxygen into ATP.

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

What is the net ATP yield per glucose molecule in glycolysis?2 ATP. The pathway uses 2 ATP early on and produces 4, so the net gain is 2.

Which phase of mitosis lines chromosomes up along the cell's center?Metaphase. Spindle fibers attach to the kinetochores and align the chromosomes on the metaphase plate.

Which conditions must hold for a population to stay in Hardy-Weinberg equilibrium?No mutation, no migration, no selection, random mating, and a large population. Breaking any one of these lets allele frequencies change.

Generate the full set

Built from your material

Upload PDFs, DOCX, PPTX, plain text notes or photos of textbook pages, and the quiz draws only on what you gave it.

Explanations for every answer

Each question comes with a short explanation, so a wrong answer teaches you the concept instead of just marking it wrong.

Export when you need it

Plus adds PDF and DOCX export. Pro adds QTI 2.1 and Moodle XML for teachers and course sites.

How it works

Upload your material

Add a lecture PDF, slide deck, or a photo of your notes. Text recognition reads the pages for you.

Choose question types

Pick multiple choice, true/false, short answer, or a mix, and set how many questions you want.

Take the quiz and review

Answer in the browser, read the explanations, and retake the questions you missed.

Testing yourself before you reread forces recall, which is what biology exams ask for. Work through the quiz, check the explanation for each miss, and come back to the weak topics a few days later.

DeckOwl generates the questions from whatever you upload, so you can build a new set for each unit instead of searching for a generic one that may not match your course.

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Frequently asked questions

How should I study for a biology quiz?

Test yourself before rereading, and spread your practice over several days instead of one long session. Read the explanation for every missed question and retry it later.

Which biology topics should a quiz cover first?

Start with the units listed in your syllabus, which in most intro courses include cell structure, metabolism, and genetics. Covering the units in order helps you build on earlier concepts.

Can I export a biology quiz to Moodle?

Yes, Moodle XML export is on the Pro plan, which also includes QTI 2.1 export. PDF and DOCX export are included in Plus.

Is there a free plan?

Yes, the free plan includes 3 generations per month and studying in the browser, with no credit card needed to start. Exports require a paid plan.

Generate free quizzes

Keep exploring the topic

Review the main ideas visually or practice recalling them.