IB DP Biology SL topical past papers
372 IB IB DP Biology SL past-paper questions, sorted into 4 topics. Pick a topic to start practising online and check your answers against the official mark scheme.
Topics
B. Form and function
Practise →- B1.1 Carbohydrates and lipids18 questions
- B1.2 Proteins9 questions
- B2.1 Membranes and membrane transport17 questions
- B2.2 Organelles and compartmentalization10 questions
- B2.3 Cell specialization7 questions
- B3.1 Gas exchange12 questions
- B3.2 Transport18 questions
- B4.1 Adaptation to environment18 questions
- B4.2 Ecological niches7 questions
C. Interaction and interdependence
Practise →- C1.1 Enzymes and metabolism13 questions
- C1.2 Cell respiration10 questions
- C1.3 Photosynthesis8 questions
- C2.2 Neural signalling22 questions
- C3.1 Integration of body systems6 questions
- C3.2 Defence against disease17 questions
- C4.1 Populations and communities26 questions
- C4.2 Transfers of energy and matter20 questions
D. Continuity and change
Practise →- D1.1 DNA replication6 questions
- D1.2 Protein synthesis9 questions
- D1.3 Mutations and gene editing10 questions
- D2.1 Cell and nuclear division14 questions
- D2.3 Water potential4 questions
- D3.1 Reproduction15 questions
- D3.2 Inheritance15 questions
- D3.3 Homeostasis14 questions
- D4.1 Natural selection14 questions
- D4.2 Stability and change2 questions
- D4.3 Climate change9 questions
Questions students ask
- What are IB DP Biology SL topical past papers?
- Topical past papers group IB IB DP Biology SL past-paper questions by syllabus topic, so you can practise one topic at a time instead of working through a whole paper.
- How are my answers marked?
- SudoStudy checks multiple-choice answers straight away. AI marks written answers against the official mark scheme and explains the marks you earned and the points you missed.
- Do I need an account?
- No. Open any topic and start answering. A free account saves your progress and includes 20 practice questions every 7 days. SudoStudy Pro removes the limit.