H2 Biology Paper 4 Practical Strategy, Specimen Paper & Prep Guide (9477, 2026)
23 Oct 2025, 00:00 Z
Reviewed by
Ezekiel Tan·Academic Advisor (Biology)
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Q: How should I prepare for H2 Biology Paper 4, and where can I find the 9477 specimen paper?
A: This page explains the H2 Biology Paper 4 practical strategy for 9477, links to the official specimen paper, and shows how to rehearse planning, MMO, PDO, and ACE before the exam.
TL;DR
H2 Biology Paper 4 is worth 20% of the grade and rewards candidates who can plan, execute, and critique lab work with precision.
Use the official 9477/04 specimen paper plus the practical drills in our experiments hub to rehearse MMO, PDO, ACE, and planning under timed conditions.[1][2]
Status: SEAB H2 Biology (9477, first exam 2026) syllabus and 9477/04 specimen paper last checked 2026-01-12. Paper 4 remains 2 h 30 min, 50 marks, weighted 20 % with Planning at 4 % and MMO/PDO/ACE at 16 % combined.
Official Paper 4 download and next step
If you are looking for lab-by-lab walkthroughs rather than exam strategy, go straight to the H2 Biology practicals, labs, and experiments hub. This Paper 4 page is the bridge from notes revision into practical-exam execution.
Blueprint for Paper 4
| Duration | Marks | Weighting | Format | Skill emphasis |
| 2 h 30 min | 50 | 20 % | Two multi-stage investigations + 1 planning task + data-handling components |
