Grade 11 — Term 3
Aligned with NIE syllabus
Lessons in This Term
Reproduction, Excretion and the Skeletal System
The human body is a complex integrated system. Key subsystems at O/L Science level include the reproductive, excretory, and skeletal/muscular systems.
DNA, Genes and Principles of Heredity
Genetics is the study of heredity — how traits are passed from parents to offspring.
Ecosystems, Food Chains and Biodiversity
An ecosystem is a community of living organisms (biotic factors) interacting with each other and with their non-living environment (abiotic factors: temperature, water, light, soil).
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Effective O/L Science exam revision integrates understanding across all units — not isolated memorisation.