Edexcel IAL Biology: Master the Complexity of Life.
Edexcel International Advanced Level Biology | Units 1β6
From biological molecules to ecosystems. From respiration to exam-day precision.
Notes
Unit-wise, syllabus-locked notes. Diagrams. Definitions. Pathways.
Exercise Papers
Topic-by-topic drills. Master Protein Synthesis step by step.
Practice Papers
Full-length mock papers with mark schemes. Build exam stamina.
Past Papers by Chapter
Every Photosynthesis question. Every Homeostasis essay. Sorted by topic.
Digital Content
Textbooks, lab manuals, examiner reports. Accessible anywhere.
Two-Stage Solving
Chapter Worksheets β Year Questions. Master one topic at a time.
Unit 1: Molecules, Diet, Transport & Health
Biological Molecules & Diet
Carbohydrates, lipids, proteins, vitamins, minerals β structure, function, and dietary importance.
Circulatory System & Diseases
Heart structure, blood vessels, cardiac cycle, transport mechanisms, cardiovascular diseases, and risk factors.
Unit 2: Cells, Development, Biodiversity & Conservation
Cell Structure & Division
Cell organelles, membrane transport, cell division (mitosis & meiosis), stem cells, differentiation.
Biodiversity, Evolution & Conservation
Species diversity, genetic diversity, classification, natural selection, conservation strategies.
Unit 3: Practical Skills in Biology I
Lab Skills & Core Practicals
Planning investigations, using microscopes, chromatography, enzyme experiments, statistical analysis.
Practical Exam Preparation
Master the skills required for the practical assessment. Learn experimental design, data collection, and analysis.
Unit 4: Energy, Environment, Microbiology & Immunity
Photosynthesis, Respiration & Ecosystems
Energy flow, light-dependent/independent reactions, aerobic/anaerobic respiration, food chains, nutrient cycles.
Microorganisms, Disease & Immune Response
Bacteria, viruses, fungi; transmission, prevention, immune system, vaccination, antibiotics.
Unit 5: Respiration, Internal Environment, Coordination & Gene Technology
Nervous System, Hormones & Homeostasis
Neurons, synaptic transmission, reflex arcs, hormones, negative feedback, kidney function, temperature regulation.
DNA, Gene Expression & Biotechnology
DNA structure, protein synthesis, gene regulation, genetic engineering, PCR, electrophoresis, ethics.
Unit 6: Practical Skills in Biology II
Research, Experiments & Data Analysis
Independent investigations, advanced lab techniques, data interpretation, evaluating evidence, scientific writing.
Bringing It All Together
Connect concepts across all units. Apply practical skills to real-world scenarios. Prepare for the synoptic exam.
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Connect concepts. Master pathways. Turn complexity into certainty.
Chapter-Based Past Papers
Fix foundations before building structures. Master one topic at a time.
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Diagrams, pathways, and animations to help you see connections.
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Doubt-solving sessions. Regular assessments. Progress tracking.
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