Free IB Diploma Biology SL revision notes, past papers with mark schemes, and AI-marked practice questions — organised by the IB Biology SL syllabus so you target exactly what examiners assess.
International Baccalaureate (IB) · IB Diploma · Notes · Past papers · AI-marked quizzes
Three resource types that work together to take you from first read to exam-ready.
Topic-by-topic revision notes covering every sub-topic in the IB Diploma Programme Biology (SL) syllabus, with clear explanations, diagrams and worked examples written for students, not copied from the textbook.
Open →Official IB Diploma Programme Biology (SL) past papers with the original mark schemes. Practise the real question styles and timing, paper by paper, the way examiners actually award marks.
Open →Thousands of exam-style Biology questions grouped by topic and difficulty, plus AI-marked quizzes that flag exactly which sub-topics to revise next, turning revision from "read it all again" into "fix what's broken".
Open →All 11 topics, 53 sub-topics in the SL syllabus — open any to read notes, watch videos and take an AI-marked quiz.
Here's how top IB Diploma Biology students actually use these resources to get exam-ready.
Book a free trial with a IB Diploma Programme Biology specialist and work through the exact topics your quiz reports flagged.
Find a IB Diploma Biology tutor →You can browse the topic list, read sample notes and try practice questions for free. A Tutopiya subscription unlocks the full Biology note library, unlimited AI-marked quizzes and every Biology past paper.
All past papers are official International Baccalaureate (IB) Biology (SL) exams from previous series, with the original marking schemes — the fastest way to learn the question style, timing and how marks are awarded.
Yes — the Biology notes and questions are organised by the topics and sub-topics in the current IB Diploma Programme SL specification, so what you revise maps directly onto what's examined.
Take a quiz on any Biology sub-topic and the AI marks every answer instantly — including structured questions. You get a report showing what you mastered and which sub-topics to revise next.
Yes — these resources are organised for Biology SL. Use the HL or SL page that matches what you're taking; the notes, past papers and practice are aligned to that level's syllabus and assessment.
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