Please find a detailed pdf document (with a Pages document for future editing if needed as well) of revision notes that includes all the information within the specification of the Edexcel Modular IGCSE BIOLOGY exam for Unit 1 , based on the Mark schemes

This resource includes the scientific article of 2026 with important details highlighted as well as possible questions with their answers

This full package includes a Teachers Key note and powerpoint Presentation composed of the full material using explanatory diagrams & questions with mark schemes a Students pdf file based on the teacher’s presentation to take notes during class for 8A - 1 THE STRUCTURE OF NEURONES 8A -2 HOW THE NERVOUS SYSTEM WORKS 8A-3 THE NEURONES IN ACTION 8A-4 THE EFFECT OF DRUGS ON THE NERVOUS SYSTEM 8A-5 SENSORY SYSTEMS AND THE DETECTION OF LIGHT 8A-6 SYNAPSES AND HABITUATION Test for all the chapters including the mark scheme

This full package includes Teachers Key note and powerpoint Presentation composed of the full material using explanatory diagrams & questions with mark schemes a Students pdf file based on the teacher’s presentation to take notes during class for 8B1 THE CENTRAL NERVOUS SYSTEM 8B2 THE PERIPHERAL NERVOUS SYSTEM 8B3 INVESTIGATING THE HUMAN BRAIN 8B4 THE CHEMICAL BALANCE OF THE BRAIN 8B5 CHEMICAL CONTROL SYSTEMS IN PLANTS 8B6 PHYTOCHROME AND FLOWERING 8B7 PHYTOCHROME AND TRANSCRIPTION

This full package includes a Teachers Key note Presentation composed of the full material using explanatory diagrams & questions with mark schemes a Students pdf file based on the teacher’s presentation to take notes during class for 7A1 - Respiration in cells 7A2 - Glycolysis and anaerobic respiration 7A3 - The Krebs cycle 7A4 - The electron transport chain 7A5 - Respiratory substrates and respiratory quotient Test for all the chapters including the mark scheme

Detailed revision notes based on Edexcel IAL Biology Book and related markschemes

Unit 1-1B detailed revision notes Edexcel IAL Biology based on the book and mark schemes

Unit 1-1C Revision notes Edexcel IAL Biology based on the book and mark chemes

Unit 1-2A Revision notes Edexcel IAL Biology based on the book and mark schemes

Unit 1-2B Revision notes Edexcel IAL Biology based on the book and mark schemes

Unit 1-2C Revision notes Edexcel IAL Biology based on the book and mark schemes

Detailed revision notes for chapter 1 for IGCSE Biology for Edexcel. It includes explanations for Characteristics of living things classification of living things and their features organelles included in each cells enzymes Diffusion, osmosis and active transport respiration

IGCSE Edexcel Biology revision notes for chapter 2 It includes detailed explanations for five kingdoms and their characteristics key differences between prokaryotes and eykaryotes viruses

IGCSE Edexcel Biology chapter 4 detailed revision notes that include balanced diet carbohydrates,proteins,fats,minerals and vitamins food tests and detailed explanations of them mechanical and chemical digestion food journey through the alimentary canal and what happens in each stage enzymes involved in digestion peristalsis Bile function

IGCSE Edexcel Biology chapter 3 detailed revision notes wich include respiratory system, structure and function exhalation and inhalation alveoli structure and adaptations air composition diseases related to the respiratory system

IGCSE Edexcel Biology Chapter 5 detailed revision notes that include functions and components of the circulatory system double circulation explained the heart chambers and valves heart rate blood vessels composition of blood (red blood cells,white blood cells) immunity vaccination

IGCSE Edexcel Biology chapter 7 detailed revision notes that include: the endocrine system description endocrine glands and the hormones they produce what effect the hormones have comparison between nervous and endocrine system adrenaline and its function the menstrual cycle and hormonal regulation negative feedback systems

IGCSE Edexcel Biology chapter 8 detailed revision notes that include homeostasis osmoregulation excretion urea production kidneys nephrons dialysis and kidney transplant

IGCSE Edexcel Biology chapter 6 detailed revision notes that include key functions of the nervous system the different types of neurones how synapses work reflex arc PNS and CNS sense organs and their functions structure of the eye and how accomodation works

IGCSE Edexcel Biology chapter 9 detailed revision notes that include sexual and asexual reproduction male and female anatomy menstrual cycle and the hormonal regulation fertilisation Birth puberty and changes it causes