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We understand the importance of education. We offer tailored private tuition designed to maximise success at GCSE, A Level and beyond. Our tutors are experienced professionals, teachers and top-tier graduates with extensive knowledge in their subjects. On Tes we offer high quality board-specific resources. Please check back regularly as we are continually updating our stock.

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Edexcel IGCSE Biology Predicted Exams 1B Bundle - Includes 2025 Edition!
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Edexcel IGCSE Biology Predicted Exams 1B Bundle - Includes 2025 Edition!

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3 Resources
This bundle includes the 2025 predicted exam for Edexcel IGCSE Biology 1B (4BI1) as well as the 2024 and 2023 editions for unbeatable value! The original and still the best! For a fourth year running, our heads of department have been hard at work to create a series of predicted exams for Summer 2025! These questions are completely original and have been designed from scratch. There has been no reuse of previous exam questions. Our predicted papers follow the format of the true Edexcel IGCSE Biology 1B paper closely, with the CORMS and graph question included. It is also the exact duration and mark-count, with questions of increasing difficulty. A mark scheme is also attached. Disclaimer: This document was created by department heads with many years of experience teaching the Pearson Edexcel IGCSE Biology course. We cannot however guarantee that it is an accurate representation of the 2025 examinations and students should not treat it as such. Please use this as an aid, alongside other methods of revision.
Edexcel IGCSE Biology Lesson 2 - Variety of Living Organisms
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Edexcel IGCSE Biology Lesson 2 - Variety of Living Organisms

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Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 1.2 - Describe the common features shown by eukaryotic organisms: plants, animals, fungi and protoctista. Specification Point 1.3 - Describe the common features shown by prokaryotic organisms such as bacteria. Specification Point 1.4 - Understand the term pathogen and know that pathogens may include the following: fungi, bacteria, protoctista and viruses. Complete set of Chapter 1 Lessons are available.
Edexcel IGCSE Biology Lecture 3 - Organisation and Cell Structure
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Edexcel IGCSE Biology Lecture 3 - Organisation and Cell Structure

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Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.1 -Describe the level of organisation in organisms: organelles, cells, tissues, organs and organ systems. Specification Point 2.2/2.3 - Describe the structures and functions of the cell’s organelles, including the nucleus, cytoplasm, cell membrane, cell wall, mitochondria, chloroplast, ribosome and vacuole. Complete set of Chapter 1 Lectures are available.
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Edexcel IGCSE Biology Presentations - Chapters 1-3
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Edexcel IGCSE Biology Presentations - Chapters 1-3

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Huge bundle of resources. First half of the Edexcel IGCSE Biology course covered in full. Complete set of concise, modern presentations for Edexcel IGCSE Biology (4BI0) Chapter 1 - Living Organisms, Chapter 2 - Nutrition and Respiration and Chapter 3 - Movement of Substances in Living Organisms. Contains colour coded specification points. 26 presentations included: 1 - Characteristics of Living Organisms 2 - Variety of Living Organisms 3 - Organisation and Cell Structure 4 - Cell Differentiation 5 - Biological Molecules 6 - Food Tests 7 - Enzymes 8 - Enzymes and pH 9 - Movement Across Membranes 10 - Nutrition in Plants 11 - The Leaf 12 - Investigating Photosynthesis 13 - Human Nutrition 14 - The Digestive System 15 - Digestion and Absorption 16 - Energy in Food 17 - Respiration 18 - Gas Exchange in Plants 19 - Ventilation 20 - The Alveoli and Lung Disease 21 - Transport Mechanisms 22 - Transpiration 23 - The Blood 24 - Vaccination 25 - The Heart 26 - The Circulatory System
Edexcel IGCSE Biology Lecture 2 - Variety of Living Organisms
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Edexcel IGCSE Biology Lecture 2 - Variety of Living Organisms

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Powerpoint lecture covering the following in a modern, concise format: Specification Point 1.2 - Describe the common features shown by eukaryotic organisms: plants, animals, fungi and protoctista. Specification Point 1.3 - Describe the common features shown by prokaryotic organisms such as bacteria. Specification Point 1.4 - Understand the term pathogen and know that pathogens may include the following: fungi, bacteria, protoctista and viruses. Complete set of Chapter 1 Lectures are available.
Edexcel IGCSE Biology Lecture 18 - Gas Exchange in Plants
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Edexcel IGCSE Biology Lecture 18 - Gas Exchange in Plants

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Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.40B - Understand the role of diffusion in gas exchange. Specification Point 2.41B - Understand gas exchange in relation to respiration and photosynthesis. Specification Point 2.42B - Understand how the structure of the leaf is adapted for gas exchange. Specification Point 2.43B - Describe the role of stomata in gas exchange. Complete set of Chapter 3 Lectures are available.
Edexcel IGCSE Biology Lecture 5 - Biological Molecules
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Edexcel IGCSE Biology Lecture 5 - Biological Molecules

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Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.7 - Identify the chemical elements present in carbohydrates, proteins and lipids (fats and oils). Specification Point 2.8 - Describe the structure of carbohydrates, proteins and lipids as large molecules made up from smaller basic units; starch and glycogen from simple sugars, proteins from amino acids and lipids from fatty acids and glycerol. Complete set of Chapter 1 Lectures are available.
Edexcel IGCSE Biology Lecture 9 - Movement Across Membranes
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Edexcel IGCSE Biology Lecture 9 - Movement Across Membranes

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Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.15 - Understand the processes of diffusion, osmosis and active transport by which substances move into and out of cells. Specification Point 2.16 - Understand how factors affect the rate of movement of substances into and out of cells, including the effects of surface area to volume ratio, distance, temperature and concentration gradient. Specification Point 2.17 - Practical: Investigate diffusion and osmosis using living and non-living systems. Complete set of Chapter 1 Lectures are available.
Edexcel IGCSE Biology Lecture 27 - Excretion
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Edexcel IGCSE Biology Lecture 27 - Excretion

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Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.70 - Understand the origin of carbon dioxide and oxygen as waste products of metabolism and their loss from the stomata of a leaf. Specification Point 2.71 - Know the excretory products of the lungs, kidneys and skin. Complete set of Chapter 4 Lectures are available.
Edexcel IGCSE Biology Lecture 26 - The Circulatory System
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Edexcel IGCSE Biology Lecture 26 - The Circulatory System

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Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.68 - Understand how the structure of arteries, veins and capillaries relate to their function. Specification Point 2.69 - Understand the general structure of the circulation system, including the blood vessels to and from the heart and lungs, liver and kidneys. Complete set of Chapter 3 Lectures are available.
Edexcel IGCSE Biology Lecture 25 - The Heart
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Edexcel IGCSE Biology Lecture 25 - The Heart

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Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.65 - Describe the structure of the heart and how it functions. Specification Point 2.66 - Explain how the heart rate changes during exercise and under the influence of adrenaline. Specification Point 2.67 -Understand how factors may increase the risk of developing coronary heart disease. Complete set of Chapter 3 Lectures are available.
Edexcel IGCSE Biology Lecture 20 - The Alveoli and Lung Disease
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Edexcel IGCSE Biology Lecture 20 - The Alveoli and Lung Disease

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Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.48 - Explain how alveoli are adapted for gas exchange by diffusion between air in the lungs and blood in capillaries. Specification Point 2.49 - Understand the biological consequences of smoking in relation to the lungs and the circulatory system, including coronary heart disease. Specification Point 2.50 - Practical: Investigate breathing in humans, including the release of carbon dioxide and the effect of exercise. Complete set of Chapter 3 Lectures are available.
Edexcel IGCSE Biology Lecture 21 - Transport Mechanisms
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Edexcel IGCSE Biology Lecture 21 - Transport Mechanisms

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Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.51 - Understand why simple, unicellular organisms can rely on diffusion for movement of substances in and out of the cell. Specification Point 2.52 - Understand the need for a transport system in multicellular organisms. Specification Point 2.53 - Describe the role of phloem in transporting sucrose and amino acids between the leaves and other parts of the plant. Complete set of Chapter 3 Lectures are available.
Edexcel IGCSE Biology Lecture 23 - The Blood
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Edexcel IGCSE Biology Lecture 23 - The Blood

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Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.59 - Describe the composition of the blood: red blood cells, white blood cells, platelets and plasma. Specification Point 2.60 - Understand the role of plasma in the transport of carbon dioxide, digested food, urea, hormones and heat energy. Specification Point 2.61 - Understand how adaptations of red blood cells make them suitable for the transport of oxygen, including shape, the absence of a nucleus and the presence of haemoglobin. Specification Point 2.62 - Understand how the immune system responds to disease using white blood cells, illustrated by phagocytes ingesting pathogens and lymphocytes releasing antibodies specific to the pathogen. Complete set of Chapter 3 Lectures are available.
Edexcel IGCSE Biology Lecture 11 - The Leaf
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Edexcel IGCSE Biology Lecture 11 - The Leaf

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Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.21 - Describe the structure of the leaf and explain how it is adapted for photosynthesis. Specification Point 2.22 - Understand that plants require mineral ions for growth, and that magnesium ions are needed for chlorophyll and nitrate ions are needed for amino acids. Complete set of Chapter 2 Lectures are available.
Edexcel IGCSE Biology Lecture 12 - Investigating Photosynthesis
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Edexcel IGCSE Biology Lecture 12 - Investigating Photosynthesis

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Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.23 - Practical: Investigate photosynthesis, showing the evolution of oxygen from a water plant, the production of starch and the requirements of light, carbon dioxide and chlorophyll. Complete set of Chapter 2 Lectures are available.
Edexcel IGCSE Biology Lecture 10 - Nutrition in Plants
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Edexcel IGCSE Biology Lecture 10 - Nutrition in Plants

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Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.18 - Understand the process of photosynthesis and its importance to the conversion of light energy into chemical energy. Specification Point 2.19 - Know the word equation and balanced chemical symbol equation for photosynthesis. Specification Point 2.20 - Understand how varying carbon dioxide concentration, light intensity and temperature affect the rate of photosynthesis. Complete set of Chapter 2 Lectures are available.