O Level · Cambridge · Spec 5090
Biology O Level Cambridge online classes
Expert online Biology tuition for Cambridge International (CAIE) O Level — covering every topic from the 5090 syllabus with exam-focused teaching.
How we teach Biology
Cambridge O Level Biology (5090) condenses the essentials of the subject into two structured-question papers that reward clear, accurate explanation over rote recall. For students building towards further science study, it is a foundation worth getting right, and our teaching makes sure it is.
The syllabus runs from cell structure and biological molecules through transport, respiration and gas exchange to genetics, ecology and human health. We focus on the precise vocabulary and the cause-and-effect reasoning examiners look for — being able to say not just what happens in a process but why, and in the right order.
Lessons are live and capped small, with the individual attention that turns shaky topics into reliable marks.
Assessment structure
Syllabus code 5090 — all papers are external written examinations unless noted.
| Paper 1 – Multiple Choice | 40 marks · 1 hr · 30% |
| Paper 2 – Theory | 80 marks · 1 hr 45 min · 50% |
| Paper 3 – Practical Test | 40 marks · 1 hr 30 min · 20% |
| …or Paper 4 – Alternative to Practical | 40 marks · 1 hr · 20% |
Topics we cover
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