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Turn your O Level biology notes into a practice quiz

Upload your notes, slides or a photo of a textbook page. DeckOwl writes multiple-choice, true/false and open questions with explanations, so you can test yourself on the topics your teacher actually covered.

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Why practise with a quiz built from your own biology notes

Past papers run out fast, and rereading the same notes rarely shows what you have actually learned. DeckOwl can turn your own biology material into an O Level biology quiz with multiple-choice, true/false and open questions, each with an explanation, so you find the gaps before the exam does.

Questions drawn from your own class notes and slides
Explanations that show why the correct answer is right
Multiple-choice, true/false and short answer in one quiz
Free plan to start, with no credit card needed

Example O Level biology quiz questions

What is the function of the cell membrane?It controls which substances enter and leave the cell. It is partially permeable because it lets some molecules pass through while blocking others.

Which organelle is the main site of aerobic respiration?The mitochondrion. Most of the ATP a cell needs is released here as glucose is broken down with oxygen.

True or false: photosynthesis mainly takes place in plant roots.False. Photosynthesis mainly happens in the leaves, in chloroplasts that contain chlorophyll to absorb light.

What are stomata and what do they do?They are pores in the leaf surface that allow carbon dioxide in and oxygen out, and water vapour to escape. Guard cells open and close them.

What is the difference between a gene and an allele?A gene is a section of DNA that codes for a characteristic. An allele is one of the different versions of that gene.

Generate the full set

Questions from your own material

Every question comes from the notes, slides or PDFs you upload, so the quiz matches what your class studied rather than a generic question bank.

Explanations for every answer

Each question includes a short explanation, so a wrong answer becomes a lesson on cell transport, respiration or inheritance instead of just a red cross.

Three question types

Mix multiple-choice, true/false and short answer questions to check both quick recall and whether you can explain a process in your own words.

How it works

Upload your notes

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, short answer or a mix, then generate the quiz from that material.

Practice and review the gaps

Answer the questions, read the explanations and retry the ones you missed until the topic feels solid.

Upload a PDF, DOCX, PPTX, plain text file or a photo of a textbook page, and the questions come from that material rather than a generic bank. Topics such as cell transport, enzymes and genetic crosses can be tested in the order your teacher covered them.

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Frequently asked questions

Which topics do O Level biology quizzes usually cover?

Common topics include cell structure, transport across membranes, enzymes, nutrition, respiration, photosynthesis and inheritance. Check your exam board syllabus for the exact list, then upload the notes for the topics you are studying.

How should I use a biology quiz to revise?

Work through one topic at a time in short sessions, read the explanation for every question you miss, and retry those questions a day or two later. Returning to missed questions is what turns a quiz into lasting recall.

Can I export the quiz to PDF or a learning platform?

PDF and DOCX export are included in the Plus plan, and QTI 2.1 and Moodle XML export are included in the Pro plan. The free plan lets you study in the browser without exports.

Is there a free plan, and what does it include?

The free plan gives you 3 generations per month and studying in the browser, and you do not need a credit card to start. Students can get 40% off a paid plan with a school email.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.