A. Unity and Diversity
Explore the foundations of living systems, including molecules, cells, organisms and biological diversity.
IB Biology SL & HL
IB Biology Practice Questions for SL & HL
Prepare for your IB Biology exams with independently written, syllabus-aligned practice questions.
BioMastery helps Standard Level and Higher Level students test their understanding, practise exam-style questions and track revision progress by syllabus area.
Free Public Beta: create a free account for full access to currently published practice. No card required.
Practise IB Biology the Smarter Way
Reading notes can help you learn content, but answering questions shows whether you can recall and apply it.
- Practise original exam-style questions organised around the current IB Biology syllabus.
- Review feedback after each attempt to identify misunderstandings.
- Focus on one syllabus area instead of searching through unrelated material.
- Track your progress as you work through published practice.
- Choose material relevant to SL or HL.
Explore IB Biology by Syllabus Theme
B. Form and Function
Practise how biological structures, physiological functions and their relationships support living systems.
C. Interaction and Interdependence
Investigate how organisms and biological systems interact, communicate and depend on their environments.
D. Continuity and Change
Revise the processes that transmit biological information and contribute to change over time.
How to Use Practice Questions
- 1
Choose a focused syllabus area you have already studied.
- 2
Answer a short set of questions without using your notes.
- 3
Review the feedback and identify the reason for each mistake.
- 4
Revisit difficult concepts, then return to new questions later.
Frequently Asked Questions
Does BioMastery include both SL and HL Biology questions?
Yes. Published practice is organised using SL and HL curriculum metadata so students can select the level relevant to their course.
Can I practise IB Biology questions for free?
Yes. During the Free Public Beta, a free account provides access to currently published practice. No payment method is required.
Are these official IB examination questions?
No. BioMastery provides independently developed exam-style practice questions. It is not affiliated with or endorsed by the International Baccalaureate Organization.
How should I use practice questions to revise?
Attempt questions without notes, review the feedback and revisit concepts you found difficult. Mix recall with explanation and application practice.
Start Your IB Biology Revision
Choose a syllabus area, test what you know and use the feedback to guide your next revision session.
Start Practising for FreeBioMastery is an independent educational platform and is not affiliated with or endorsed by the International Baccalaureate Organization.