Biology Revision Blog: GCSE, IGCSE and IB Tips

Exam guides and revision tips for GCSE, IGCSE and IB Biology: what each board asks, how the papers work and how to revise for them.

GCSE13 October 2026AQA GCSE Biology Required Practicals: All 10 ExplainedAll 10 AQA GCSE Biology required practicals: aim, variables, typical exam question and common mistakes, with Combined Science marked.
All13 October 2026Biology Exam Dates 2027: GCSE, IGCSE and IB TimetablesBiology exam dates 2027 for AQA, Edexcel, Cambridge IGCSE and IB: every paper, date, session and length, with what is still to be confirmed.
IGCSE13 October 2026Cambridge vs Edexcel IGCSE Biology: 0610 vs 4BI1Cambridge IGCSE Biology 0610 vs Edexcel 4BI1 compared: papers, marks, tiers, practicals, grading and combined science, from the official specs.
IB13 October 2026IB Biology Command Terms: Every 2025 DefinitionAll 28 IB Biology command terms with the IB's official definitions, typical marks, what examiners want and a model answer for each. Free guide.
IB13 October 2026IB Biology IA Ideas That Fit the 2025 Criteria12 IB Biology IA ideas with research questions, variables, methods and statistics, matched to the four 2025 criteria and syllabus codes.