Are these aligned to the latest H2 Biology syllabus?

Yes — they follow SEAB H2 Biology (Syllabus 9477, first exam 2026): Core Ideas 1–4 plus Extensions A/B, with exam-format guides for Papers 1–4.

Do you cover essays, DBQs, and practical tips?

Each topic includes essay/DBQ scaffolds, data handling reminders, and practical cues so you can transfer theory into Papers 3 and 4.

Can I download everything as one PDF?

Yes — download /pdf/h2-biology-notes-complete.pdf for the full printable bundle, or use the Topic Outline below to download PDFs by chapter.

How do I prepare for Paper 4 practicals?

Use the practical planner post plus our H2 Biology Experiments hub to rehearse microscope workflows, enzyme investigations, and evaluation checklists.

Are these notes free?

Yes. If you want a tailored study plan, WhatsApp us and we’ll point you to the exact chapters and drills.

H2 Biology Notes (Singapore JC A-Level)

Last updated: 2026-01-11

Free Singapore JC A-Level notes aligned to SEAB syllabus 9477 (first exam 2026): Core Ideas 1–4 + Extensions A/B with essay/DBQ scaffolds and Paper 4 practical tips.

Download the full H2 Biology notes bundle

Grab the consolidated PDF, then WhatsApp us your next test topic and we’ll point you to the exact pages or tailor a quick plan.

Download combined notes (PDF)

Prefer tailored notes? WhatsApp us with your topic.

Free downloadable PDF bundle covering Core Ideas 1–4 and Extensions A/B.

Download PDFs by chapter from the Topic Outline.

Essay scaffolds, data handling cues, and practical tips for Papers 1–4.

Built for quick revision before tests and timed practices.

How to use these notes

Download the PDF and spiral Core Ideas 1–4 before dipping into Extensions A/B.
Use the TOC plus exam playbooks to rehearse essays/DBQs, grading against the scaffolds in each topic.
Revisit microscope/enzyme workflows via the practicals hub and WhatsApp us for a tailored plan ahead of practicals.

Syllabus source

We map each chapter to the official SEAB H2 Biology syllabus (9477, first exam 2026): open the syllabus PDF →

Related hubs

IP Biology tuition hub for IP-to-JC sequencing and revision pacing.
IP Biology upper-sec notes for foundations before Core Ideas 1–4.
H2 Biology practicals hub for Paper 4 microscope and investigation workflows.
H2 Chemistry notes hub if you want free chapter PDFs for Chemistry too.

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Tackle the 2026 Papers 1–4 with our exam playbooks →Explore practical skill guides in our H2 Biology practicals hub →

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Frequently Asked Questions

Are these aligned to the latest H2 Biology syllabus?
Yes — they follow SEAB H2 Biology (Syllabus 9477, first exam 2026): Core Ideas 1–4 plus Extensions A/B, with exam-format guides for Papers 1–4.
Do you cover essays, DBQs, and practical tips?
Each topic includes essay/DBQ scaffolds, data handling reminders, and practical cues so you can transfer theory into Papers 3 and 4.
Can I download everything as one PDF?
Yes — download /pdf/h2-biology-notes-complete.pdf for the full printable bundle, or use the Topic Outline below to download PDFs by chapter.

Get your tailored notes

Topic Outline

Syllabus Breakdown

Year	Key Topics Covered
Core Ideas	1 The Cell and Biomolecules of Life 2 Genetics and Inheritance 3 Energy and Equilibrium 4 Biological Evolution
Extension Topics	A Infectious Diseases B Impact of Climate Change on Animals and Plants