Description
Cambridge IGCSE Biology Solved Past Papers + Video Explanations
Master the two highest-value written and practical components with 71 fully solved papers, mark-by-mark model answers, professional biological drawings and searchable topic practice.
What’s included
- High-value component coverage — Papers 4 and 6 together account for 70% of the Cambridge IGCSE Biology Extended route.
- Seventy-one complete papers — 35 Paper 4 and 36 Paper 6 sittings from 2021–2026 are solved from start to finish.
- Theory answers that earn marks — Paper 4 explanations, comparisons, genetic diagrams and data questions are shown at full scoring depth.
- Biological drawings modelled properly — Finished specimen drawings follow Cambridge rules for outline, proportion, labels and size.
- Graphs and tables completed correctly — Axes, scales, plotting, headings and units are shown on authentic exam layouts.
- Six-mark practical plans — Variables, controls, repeats, safety, measurements and analysis are combined into complete methods.
- Practical skills without a laboratory — Paper 6 techniques are taught through worked scales, observations, errors, improvements and conclusions.
- Food tests and common investigations — Reagents, methods, observations and biological reasoning are organised for reliable recall.
- Mark-by-mark model answers — Every scoring point is written as a clear, readable answer and shown with its own green tick.
- Mark schemes decoded in plain English — Acceptable alternatives, ignored wording and mark-scheme shorthand are explained beside the answer.
- Examiner insight where available — Common misconceptions and weak answer patterns are distilled from official examiner reports or marking guidance.
- Difficulty guidance — Easy, medium and hard indicators help students prioritise the questions most likely to improve their grade.
- Command-word coaching — State, describe, explain, suggest, compare, discuss and evaluate are demonstrated in the form examiners reward.
- Original exam figures retained — Diagrams, photographs, tables, graphs and data are kept with the exact questions they belong to.
- Calculations worked line by line — Magnification, percentages, rates and statistical work show every step and unit.
- Revise by paper or by topic — Students can complete realistic papers or target one weak topic across many exam sessions.
- Searchable online question finder — Filter by session, year, question, topic, difficulty and command word for fast focused practice.
- Matched practice and answer books — Attempt clean, answer-free questions first, then mark against the corresponding worked solutions.







