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Turn your biology notes into a diffusion quiz with AI

Upload your slides, PDFs or notes and get a custom diffusion quiz with an explanation for every answer. No ready-made sheet needed.

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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

Build your own diffusion quiz from class material

Most students who need a biology diffusion quiz want to test themselves on passive transport before an exam, but a generic printable sheet rarely matches what their teacher actually covered. DeckOwl does not hand out a ready-made sheet. It builds a custom quiz from your own lecture slides, PDFs or notes, so the questions reflect your syllabus.

Questions drawn only from the material you upload, so they match your course.
Multiple-choice, true/false and short-answer formats, each with an explanation.
The free plan includes 3 generations per month and studying in the browser.
Plus adds unlimited generations plus PDF, DOCX, Anki and CSV export.

Example diffusion questions for biology practice

What is diffusion?The net movement of particles from higher to lower concentration without energy input, because particles move down a concentration gradient on their own kinetic energy.

How does increasing temperature affect the rate of diffusion, and why?It increases the rate, because particles gain kinetic energy, move faster and collide more often.

True or false: simple diffusion requires ATP.False. Simple diffusion is passive, so particles move down a gradient without the cell spending energy.

Which will cross a cell membrane by simple diffusion more easily, oxygen or glucose?Oxygen, because it is a small nonpolar molecule that passes the lipid bilayer more easily than the larger, polar glucose.

What is the difference between diffusion and osmosis?Diffusion is the movement of any particles down a concentration gradient, while osmosis is specifically the diffusion of water across a selectively permeable membrane.

Generate the full set

Questions from your notes

Upload PDFs, slides, DOCX files or plain notes and get multiple-choice, true/false or short-answer questions.

Explanations for every answer

Each question comes with an explanation, so a wrong answer teaches you why particles move the way they do.

Exports for class

Export to PDF or DOCX on Plus, and to QTI 2.1 or Moodle XML on Pro.

How it works

Upload your material

Add a PDF, slide deck, document or photos of your diffusion notes.

Choose a question type

Pick multiple-choice, true/false or short answer and generate the quiz.

Check and retake

Read the explanations, then retake missed questions until you can answer them without looking.

Diffusion is the net movement of particles from higher to lower concentration, and quiz questions usually test the factors that change its rate: temperature, particle size, surface area and the size of the concentration gradient. Good questions also separate diffusion from osmosis and active transport, which students often mix up. Working through the explanation for each answer is where most of the learning happens.

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Frequently asked questions

How many diffusion questions should I practice before a biology exam?

There is no fixed number, but practicing until you can explain each answer without the notes is a better sign of readiness than a raw count. Retake missed questions after a day or two so the correct answers stick.

What do students most often confuse about diffusion?

Diffusion is often mixed up with osmosis and active transport. Diffusion is passive and only needs a concentration gradient, while osmosis is specifically water moving across a selectively permeable membrane.

Can I export my diffusion quiz?

The free plan lets you study in the browser without exports. PDF and DOCX export are included on Plus at $99.90/year or $9.99/month, and QTI 2.1 and Moodle XML export are on Pro at $14.99/month.

Can I use lecture slides or photos of my notes?

Yes. You can upload PDFs, DOCX and PPTX files, plain text notes, or photos of pages, which are read with text recognition. The quiz is built from your material, so it matches what your teacher covered.

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