IGCSE Biology, taught in full. Nothing left out.
The complete IGCSE Biology syllabus as clear, exam-shaped chapters — a video, a written lesson and free notes for every one.
Why The Bio Portal
The resource that actually covers everything
Most revision sites cover the popular chapters and skip the rest. This one is the whole syllabus — so you never meet a question you weren't taught.
Video + written lesson
Every chapter has a full video and a written walkthrough you can read at your own pace.
Free notes & slides
Downloadable PDF notes for every chapter, yours to keep and revise from.
Track your progress
Chapters complete themselves as you watch, so you always know exactly how far through the syllabus you are.
Curriculum
28 chapters. The whole syllabus.
From cells to ecosystems — the first 2 chapters are free to preview.
Start with the first 2 chapters free
No sign-up needed to preview. Register when you're ready to unlock the full syllabus, or message us with any question.