Curriculum
OCR Gateway GCSE Combined Science A J250 — Biology
1. Cell Level Systems
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Unit 1 overview: Cell Level Systems
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1.1.1 Light Microscopes
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1.1.1 Light Microscopes - MCQ practice (14 questions)
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1.1.2 Cell Structure
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1.1.2 Cell Structure - MCQ practice (50 questions)
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1.1.2 Cell Structure - MCQ practice part 2 (12 questions)
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1.1.3 Electron Microscopes
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1.1.3 Electron Microscopes - MCQ practice (14 questions)
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1.2.1 DNA Structure
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1.2.1 DNA Structure - MCQ practice (32 questions)
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1.2.2 The Mechanism of Enzyme Action
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1.2.2 The Mechanism of Enzyme Action - MCQ practice (16 questions)
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1.3.1 Respiration is a Chemical Process
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1.3.1 Respiration is a Chemical Process - MCQ practice (2 questions)
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1.3.2 Aerobic and Anaerobic Respiration
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1.3.2 Aerobic and Anaerobic Respiration - MCQ practice (50 questions)
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1.3.2 Aerobic and Anaerobic Respiration - MCQ practice part 2 (8 questions)
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1.3.3 Biological Molecules
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1.3.3 Biological Molecules - MCQ practice (34 questions)
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1.3.4 Tests for Biological Molecules
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1.3.4 Tests for Biological Molecules - MCQ practice (21 questions)
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1.4.1 Photosynthetic Organisms as Producers
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1.4.1 Photosynthetic Organisms as Producers - MCQ practice (3 questions)
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1.4.2 The Effect of 3 Factors on Photosynthesis
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1.4.2 The Effect of 3 Factors on Photosynthesis - MCQ practice (12 questions)
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1.4.3 Limiting Factors: Photosynthesis
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1.4.3 Limiting Factors: Photosynthesis - MCQ practice (12 questions)
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2. Scaling Up
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Unit 2 overview: Scaling Up
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2.1.1 Cellular Transport: Diffusion and Osmosis
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2.1.1 Cellular Transport: Diffusion and Osmosis - MCQ practice (16 questions)
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2.1.2 Cellular Transport: Active Transport
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2.1.2 Cellular Transport: Active Transport - MCQ practice (13 questions)
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2.1.3 Mitosis and the Cell Cycle
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2.1.3 Mitosis and the Cell Cycle - MCQ practice (24 questions)
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2.1.4 Cell Differentiation
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2.1.4 Cell Differentiation - MCQ practice (29 questions)
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2.1.5 Stem Cells in Animals and Plants
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2.1.6 Embryonic and Adult Stem Cells in Animals
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2.2.1 Surface Area: Volume Ratio and Transport
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2.2.2 Transport Into and Out of Organisms
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2.2.3 The Heart
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2.2.3 The Heart - MCQ practice (30 questions)
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2.2.4 Blood Vessels
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2.2.4 Blood Vessels - MCQ practice (16 questions)
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2.2.5 Blood Composition
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2.2.5 Blood Composition - MCQ practice (14 questions)
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2.2.6 Transport of Water and Mineral Ions in Plants
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2.2.6 Transport of Water and Mineral Ions in Plants - MCQ practice (22 questions)
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2.2.7 Transpiration and Translocation
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2.2.7 Transpiration and Translocation - MCQ practice (34 questions)
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2.2.8 Xylem and Phloem
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2.2.8 Xylem and Phloem - MCQ practice (28 questions)
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2.2.9 Affecting Water Uptake by a Plant
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2.2.9 Affecting Water Uptake by a Plant - MCQ practice (20 questions)
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3. Organism Level Systems
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Unit 3 overview: Organism Level Systems
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3.1.1 The Nervous System: Structure
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3.1.1 The Nervous System: Structure - MCQ practice (8 questions)
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3.1.2 Generating a Nervous Response
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3.1.3 The Reflex Arc
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3.1.3 The Reflex Arc - MCQ practice (23 questions)
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3.2.1 Hormonal Control
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3.2.1 Hormonal Control - MCQ practice (23 questions)
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3.2.2 Hormones in Human Reproduction
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3.2.2 Hormones in Human Reproduction - MCQ practice (21 questions)
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3.2.3 Four Hormones in the Menstrual Cycle
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3.2.3 Four Hormones in the Menstrual Cycle - MCQ practice (21 questions)
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3.2.4 Contraception
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3.2.5 Hormones to Treat Infertility
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3.3.1 Constant Internal Environment
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3.3.1 Constant Internal Environment - MCQ practice (7 questions)
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3.3.2 Insulin in Blood Sugar Control
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3.3.2 Insulin in Blood Sugar Control - MCQ practice (7 questions)
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3.3.3 Glucagon in Blood Sugar Control
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3.3.3 Glucagon in Blood Sugar Control - MCQ practice (6 questions)
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3.3.4 Responses to Extremes
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3.3.4 Responses to Extremes - MCQ practice (18 questions)
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4. Community Level Systems
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Unit 4 overview: Community Level Systems
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4.1.1 The Cycling of Materials
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4.1.1 The Cycling of Materials - MCQ practice (21 questions)
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4.1.2 The Carbon Cycle
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4.1.2 The Carbon Cycle - MCQ practice (20 questions)
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4.1.3 Levels of Organisation in an Ecosystem
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4.1.4 Abiotic and Biotic Factors
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4.1.5 Interdependence and Competition
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5. Genes, Inheritance and Selection
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Unit 5 overview: Genes, Inheritance and Selection
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5.1.1 The Genome and Genetics
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5.1.1 The Genome and Genetics - MCQ practice (32 questions)
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5.1.2 Variation
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5.1.2 Variation - MCQ practice (8 questions)
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5.1.3 Sexual Reproduction
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5.1.3 Sexual Reproduction - MCQ practice (9 questions)
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5.1.4 Asexual Reproduction
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5.1.4 Asexual Reproduction - MCQ practice (22 questions)
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5.1.5 Inheritance
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5.1.5 Inheritance - MCQ practice (50 questions)
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5.1.5 Inheritance - MCQ practice part 2 (2 questions)
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5.2.1 Genetic Variation Within a Population
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5.2.1 Genetic Variation Within a Population - MCQ practice (7 questions)
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5.2.2 Evolution Through Natural Selection
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5.2.2 Evolution Through Natural Selection - MCQ practice (13 questions)
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5.2.3 Classification
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6. Global Challenges
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Unit 6 overview: Global Challenges
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6.1.1 The Distribution and Abundance of Organisms
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6.1.2 Human Interactions Within Ecosystems
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6.1.3 Maintaining Biodiversity
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6.1.3 Maintaining Biodiversity - MCQ practice (19 questions)
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6.2.1 Selective Breeding of Food Products
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6.2.1 Selective Breeding of Food Products - MCQ practice (2 questions)
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6.2.2 Genetic Engineering
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6.2.3 The Process of Genetic Engineering
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6.2.4 Biotechnology and Human Population
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6.3.1 Health and Disease: Disease Types
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6.3.2 Communicable Diseases
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6.3.2 Communicable Diseases - MCQ practice (3 questions)
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6.3.3 White Blood Cells and Platelets
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6.3.3 White Blood Cells and Platelets - MCQ practice (14 questions)
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6.3.4 Non-Specific Defences
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6.3.4 Non-Specific Defences - MCQ practice (3 questions)
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6.3.5 The Human Immune System
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6.3.5 The Human Immune System - MCQ practice (14 questions)
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6.3.6 Vaccines Against Disease
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6.3.6 Vaccines Against Disease - MCQ practice (5 questions)
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6.3.7 Developing New Medicines
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6.3.7 Developing New Medicines - MCQ practice (9 questions)
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6.3.8 Non-Communicable Human Diseases
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6.3.9 Stem Cells in Medicine
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6.3.10 Gene Technology in Medicine
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7. Practical Skills
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Unit 7 overview: Practical Skills
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7.1.1 Practical: Using Light Microscopes to View Cells
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7.1.1 Practical: Using Light Microscopes to View Cells - MCQ practice (13 questions)
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7.1.2 Practical: DNA Extraction
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7.1.3 Practical: Sampling Techniques: Quadrats
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7.1.4 Practical: Investigating Enzymatic Reactions
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7.1.4 Practical: Investigating Enzymatic Reactions - MCQ practice (3 questions)
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7.1.5 Practical: Investigating Photosynthesis
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7.1.5 Practical: Investigating Photosynthesis - MCQ practice (11 questions)
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7.1.6 Practical: Using a Potometer
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7.1.6 Practical: Using a Potometer - MCQ practice (12 questions)
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7.1.7 Practical: Measurement of Stomatal Density
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7.1.8 Practical: Aseptic Technique
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7.1.9 Practical: Surface Area: Volume Ratio
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7.1.10 Practical: Investigating Osmosis
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7.1.10 Practical: Investigating Osmosis - MCQ practice (14 questions)
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Quiz
5.1.5 Inheritance – MCQ practice part 2 (2 questions)
Multiple-choice questions on this lesson only. Your score appears when you finish.
- Questions count: 2
- Passing grade: B
Multiple-choice questions on this lesson only. Your score appears when you finish.
- Questions count: 2
- Passing grade: B