H2 Biology Paper 3 Guide: 9477 Essays and Free-Response Strategy
22 Oct 2025, 00:00 Z
Reviewed by
Ezekiel Tan·Academic Advisor (Biology)
Want small-group support? Browse our A-Level Biology Tuition hub. Not sure which level to start with? Visit Biology Tuition Singapore.
Planning a revision session? Use our study places near me map to find libraries, community study rooms, and late-night spots.
Q: What does this H2 Biology Paper 3 guide cover?
A: It shows you how to handle 9477 Paper 3 free-response questions, data analysis, and the 20-mark essay with clearer planning and evidence use.
TL;DR
If you are searching for an H2 Biology Paper 3 strategy, treat 9477 Paper 3 as two linked tasks: Section A needs controlled data analysis, while Section B needs a 20-mark essay built from evidence-led paragraphs.
Train Section A responses as mini case studies, then script Section B essays with explicit Core and Extension references.[1]
Status: SEAB H2 Biology (9477, first exam 2026) syllabus and 9477/03 specimen paper last checked 2026-01-12. Paper 3 remains 2 hours, 75 marks, weighted 35 %, with Section B essays carrying 20 marks.
Blueprint for Paper 3
| Duration | Marks | Weighting | Format | Assessment Objective focus |
| 2 hours | 75 | Thirty-five percent | Section A: ≥2 compulsory long structured questions . Section B: choose 1 of 2 free-response essays (20 marks). | AO A + AO B at higher-order levels |
