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Turn your biology notes into MCQs with explanations

Upload a lecture PDF, slide deck or set of notes and get multiple-choice, true/false or short answer questions, each with an explanation of why the answer is right.

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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 biology MCQ generator works best with your own notes

Biology exams test recall of terms, processes and pathways, and they also test whether you can apply them to a new scenario. A biology MCQ generator is most useful when it writes questions from the exact material your course covers, so you practice the wording and emphasis your instructor uses.

Multiple-choice, true/false and short answer formats cover recall and application.
Every question includes an explanation that states why the correct answer is right.
Questions are drawn from your uploaded slides, PDFs, DOCX files or notes.
Free plan includes 3 generations per month with browser study; paid plans add exports.

Example biology practice questions with answers

Which organelle carries out most ATP production in eukaryotic cells through aerobic respiration?The mitochondrion, because its inner membrane holds the electron transport chain that drives most ATP synthesis.

In DNA, which base pairs with adenine?Thymine, because adenine and thymine form two hydrogen bonds across the double helix.

During which phase of mitosis do sister chromatids separate?Anaphase, because cohesin is cleaved and spindle fibers pull the chromatids toward opposite poles.

Which enzyme unwinds the DNA double helix during replication?Helicase, because it breaks the hydrogen bonds between base pairs to create replication forks.

What is the net ATP yield of glycolysis per glucose molecule?Two ATP, because four are produced and two are used in the early steps of the pathway.

Generate the full set

Built from your material

Questions come from your own lecture slides, textbook chapters or notes, so the quiz matches what your instructor actually taught.

Explanations on every answer

Each question includes a short explanation, so a wrong answer becomes a lesson on the spot instead of just a missed point.

Study in the browser

Take the quiz right away on the free plan. Export to PDF, DOCX, QTI 2.1 or Moodle XML when you need a printable or LMS-ready version.

How it works

Upload your biology material

Add a PDF, DOCX, PPTX, plain text file or a photo of a page. Photos are read with text recognition.

Choose the question types

Pick multiple-choice, true/false or short answer, then set the number of questions for the topic you are reviewing.

Practice and review explanations

Work through the quiz, check each explanation, and send the questions you missed into spaced repetition flashcards.

Generating questions from your own chapters also shows you gaps. If a question about the Krebs cycle has you guessing, the explanation points to the step you need to review, and you can return to that section of your notes before the next quiz.

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Frequently asked questions

How do I write good wrong answers for biology multiple-choice questions?

Base each distractor on a common misconception, such as confusing mitosis with meiosis or aerobic with anaerobic respiration. Keep all options similar in length and avoid clues like 'all of the above.'

What biology topics work best for MCQ practice?

Processes with clear steps, such as cellular respiration, DNA replication and the cell cycle, work well because each stage can be tested separately. Terms with precise definitions, like organelle functions, are also good targets.

Can I export the generated quizzes?

Exports are paid features. PDF and DOCX export are included on Plus at $39/year or $7.99/month, and QTI 2.1 and Moodle XML export are on Pro at $14.99/month.

Is there a free plan, and do I need a credit card?

The free plan includes 3 generations per month and browser study, and no credit card is needed to start. 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.