O/L Exam Revision

Where this fits in the syllabus

Grade 11 · Term 3

Key points to revise

Revise O/L Exam Revision fast with concise, exam-ready key points

About O/L Science: O/L Science integrates physics, chemistry, and biology into a single subject across Grade 10 and 11.

• O/L Science paper: Paper I (MCQ, 50 marks) + Paper II (structured, 100 marks)
• Common high-mark topics: electricity, chemical reactions, genetics, ecosystems, forces
• Exam technique: read question FULLY before answering; show all working in Paper II
• Diagrams must be labelled; equations must be balanced; units must be included

Must know

• Spaced repetition: revisit at day 1, 3, 7, 14, 30
• Past papers: practise under timed conditions (2h 45m); mark strictly
• Key equations: F=ma, V=IR, P=IV, Q=mcΔT, v=fλ, 6CO₂+6H₂O→C₆H₁₂O₆+6O₂
• Common errors: missing units, photosynthesis/respiration confusion, dominant/recessive mix-up
• Concept map tip: link photosynthesis ↔ respiration ↔ energy ↔ ecosystems

Source: NIE O/L Science Examination Board Guidelines

In the Syllabus