School qualificationsBuild on demand
IB Biology
Group 4 biology: unity & diversity, form & function, interaction & interdependence, continuity & change.
Courselo drafts the full syllabus, lessons and practice from the verified Biology format in a few minutes.
You’ll sign in or create a free account first.
At a glance
- Set by
- International Baccalaureate Organization (IBO)
- Level
- High school (Grade 11–12, IB DP Years 1–2)
- Region
- Global
- Programme
- International Baccalaureate Diploma Programme (IB DP)
- 2 versions
- Standard Level (SL)Higher Level (HL)
The format, as published
- First assessed 2025.
- SL: Paper 1 = 1A multiple-choice + 1B data-based questions (1 h 30 min, 36%); Paper 2 data-based, short-answer and extended-response questions (1 h 30 min, 44%); IA scientific investigation, max 3,000 words (20%).
- HL: Paper 1 (2 h, 36%); Paper 2 (2 h 30 min, 44%); IA (20%).
- Plus the collaborative sciences project (not graded).
- Graded 1–7.
Summarised from official sources. Always confirm dates and rules with the exam board.Official information(opens in a new tab)