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Turn your biology notes into a practice quiz, like Khan Academy's

Upload a chapter, lecture slides or typed notes and get multiple-choice, true/false or short answer questions with explanations 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

Why generate your own biology quiz instead of searching for one

Khan Academy's free lessons are a good starting point, but when a test covers a specific chapter, a ready-made set rarely matches it. DeckOwl reads your own file and writes a Khan Academy-style biology quiz with multiple-choice, true/false and short answer questions, each with an explanation.

Multiple-choice, true/false and short answer questions, each with an explanation
Accepts PDF, DOCX, PPTX, plain text and photos of textbook pages
Free plan includes 3 generations per month and browser study, without exports
Plus adds unlimited generations and PDF or DOCX export; Pro adds QTI 2.1 and Moodle XML

Example biology quiz questions with answers

Where do the light-dependent reactions of photosynthesis take place?In the thylakoid membranes of the chloroplast, because they need light to split water and produce ATP and NADPH.

True or false: mitosis produces four genetically distinct daughter cells.False. Mitosis produces two genetically identical daughter cells, while meiosis produces four genetically distinct haploid cells.

Why do mature mammalian red blood cells lack a nucleus?Losing the nucleus leaves more room for hemoglobin, which carries oxygen through the bloodstream.

What is the main job of the Golgi apparatus?It modifies, sorts and packages proteins and lipids so they can be sent to their correct destinations in or outside the cell.

In a cross between two heterozygous (Aa) parents, what fraction of offspring are expected to be aa?One quarter, because the Punnett square gives AA, Aa, Aa and aa in a 1:2:1 ratio, so only one in four is aa.

Generate the full set

Built from your own material

Questions come from the exact chapter or lecture your class covers, not a generic set that may skip your syllabus.

Explanations on every question

Each answer includes a short explanation, so a wrong pick becomes a lesson instead of just a red mark.

Works with the files you already have

Upload PDF, DOCX, PPTX, plain text or photos of textbook pages, which are read with text recognition.

How it works

Upload your biology material

Add a PDF, slide deck, Word file, pasted notes or a photo of a textbook page.

Choose the question types

Pick multiple choice, true/false or short answer, or mix them for a full unit review.

Study the quiz and repeat

Answer in the browser, read each explanation, then regenerate a fresh quiz from the same notes to test what stuck.

Because the questions come from your material, the cell biology unit, the genetics unit and the ecology unit each get their own quiz. Retake a set after a day or two to see which concepts you still miss.

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Frequently asked questions

How many questions should a biology quiz have for a unit test?

Most unit reviews work well with 10 to 20 questions that mix multiple choice with true/false, so you cover both vocabulary and processes. Start shorter and retake the quiz until the same questions stop tripping you up.

What is the best way to study from biology quiz questions?

Answer each question without notes first, then read the explanation for every miss, including the ones you guessed right. Come back to the missed questions after a day or two, since spacing your review makes recall stick better.

Is there a free option?

The free plan includes 3 generations per month and lets you study in the browser, but it does not include exports. PDF and DOCX export start on the Plus plan at $99.90/year or $9.99/month.

Can I export a quiz to Moodle or QTI?

Yes, QTI 2.1 and Moodle XML export are part of the Pro plan at $14.99/month. Students with a school email get 40% off, and no credit card is needed to start.

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Keep exploring the topic

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