IGCSE Biology Past Paper: Topic Frequency Guide
IGCSE Biology past paper guide – topic frequency and extended answer strategy
Biology Past Paper Topics
IGCSE Biology (0610) covers 21 topics. Based on past papers from 2018–2024, here are the topics that appear most frequently and carry the most marks.
High-Priority Topics
Cell biology: Structure, specialisation, and cell division – appears every year
Transport in plants: Osmosis, transpiration, and leaf structure
Human physiology: Digestion, gas exchange, circulation, and excretion
Genetics: DNA structure, inheritance, and genetic diseases
Ecology: Food chains, nutrient cycles, and human impact on the environment
Approaching Extended Response Questions
For 6-mark questions, plan your answer before writing. Use bullet points in your plan, then convert to full sentences. Include key scientific vocabulary – examiners reward precision of language.
Practical Skills Paper
Paper 3 (Alternative to Practical) tests experimental design, results tables, and graph plotting. Practice drawing neat, fully labelled graphs with appropriate scales.
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