Curriculum
Igcse Biology
1. Characteristics and Classification of Living Organisms
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1.1 Characteristics of living organisms
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1.1 Characterisation - Assignment: extra practice
10 questionsPreview -
1.2 Concept and uses of classification systems
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1.2 Binomial Name — Past papers
24 questionsPreview
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1.2 Dna in Classification — Past papers
9 questionsPreview
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1.2 Binomial Name - Assignment: extra practice
10 questionsPreview
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1.3 Features of organisms
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Characteristics, Classification & Features of Organisms - Check yourself
15 questionsPreview
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1.4 Dicotyledons and monocotyledons
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1.4 Dicot and Monocot — Past papers
1 questionsPreview
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1.5 The five kingdoms
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1.5 Kingdoms — Past papers
16 questionsPreview
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1.5 Kingdoms - Assignment: extra practice
9 questionsPreview
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1.6 Dichotomous keys
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1.6 Dichotomous Key — Past papers
7 questionsPreview
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Unit 1 - Assignment: Characteristics and classification of living organisms
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1.6 Dichotomous keys — Supplementary practice (6 questions)
6 questionsPreview
2. Organisation of the Organism
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2. Organisation of the Organism
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2.1 Cell structure
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2.1 Animal and Plant Cells — Past papers
21 questionsPreview
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2.1 Specialisation — Past papers
10 questionsPreview
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2.1 Animal and Plant Cells - Assignment: extra practice
10 questionsPreview
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2.1 Specialisation - Assignment: extra practice
10 questionsPreview
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2.2 Size of specimens
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2.2 Magnification — Past papers
16 questionsPreview
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2.2 Magnification - Assignment: extra practice
10 questionsPreview
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2.3 Levels of organisation
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2.3 Level of Organisation — Past papers
10 questionsPreview
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2.3 Level of Organisation - Assignment: extra practice
10 questionsPreview
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Levels of organisation — Check yourself (2 questions)
2 questionsPreview
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Unit 2 - Assignment: Organisation of the organism
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2. Organisation of the Organism - Unit review (50 questions)
23 questionsPreview
3. Movement into and out of Cells
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3. Movement into and out of Cells
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3.1 Diffusion
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3.1 Diffusion — Past papers
10 questionsPreview
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3.1 Diffusion - Assignment: extra practice
10 questionsPreview
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3.2 Osmosis
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3.2 Osmosis — Past papers
10 questionsPreview
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3.2 Osmosis - Assignment: extra practice
10 questionsPreview
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3.3 Active transport
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3.3 Active Transport — Past papers
11 questionsPreview
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Diffusion, Osmosis & Active Transport - Check yourself
10 questionsPreview
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Unit 3 - Assignment: Movement into and out of cells
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3. Movement into and out of Cells - Unit review (40 questions)
40 questionsPreview
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3.1.8 Proteins and Active Transport
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4. Biological Molecules
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4.1 Biological molecules
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Biological Molecules - Check yourself
12 questionsPreview
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4.2 Structure of DNA
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4.2 Dna Molecule — Past papers
15 questionsPreview
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4.2 Dna Molecule - Assignment: extra practice
10 questionsPreview
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4.3 Food tests
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4.3 Food Test — Past papers
10 questionsPreview
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4.3 Food Test - Assignment: extra practice
10 questionsPreview
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Unit 4 - Assignment: Biological molecules
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4.3 Food tests — Supplementary practice (13 questions)
13 questionsPreview
5. Enzymes
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5.1 Enzymes
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5.1 Characteristics of Enzymes — Past papers
30 questionsPreview
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5.1 Characteristics of Enzymes - Assignment: extra practice
10 questionsPreview
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Enzymes - Check yourself
10 questionsPreview
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5.2 Effect of temperature and pH on enzymes
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5.2 Effect of Temperature, Ph — Past papers
10 questionsPreview
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5.2 Effect of Temperature, Ph - Assignment: extra practice
10 questionsPreview
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5.3 Investigating enzyme activity
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5.3 Investigations — Past papers
6 questionsPreview
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Unit 5 - Assignment: Enzymes
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5. Enzymes - Unit review (36 questions)
21 questionsPreview
6. Plant Nutrition
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6. Plant Nutrition
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6.1 Photosynthesis
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6.1 Photosynthesis — Past papers
27 questionsPreview
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6.1 Investigation — Past papers
9 questionsPreview
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6.1 Investigation - Assignment: extra practice
10 questionsPreview
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6.2 Leaf structure
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6.2 Leaf Structure — Past papers
1 questionsPreview
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6.3 Mineral requirements of plants
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6.3 Mineral Requirements — Past papers
12 questionsPreview
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Magnesium and chlorophyll — Check yourself (1 question)
1 questionsPreview
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Unit 6 - Assignment: Plant nutrition
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6.3 Mineral requirements of plants — Supplementary practice (10 questions)
10 questionsPreview
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6.2.4 Genetic Engineering
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6.1.3 Generating Electricity
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7. Human Nutrition
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7. Human Nutrition
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7.1 Diet
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7.1 Diet (Part 3)
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7.1 Diet — Past papers
11 questionsPreview
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7.1 Diet - Assignment: extra practice
7 questionsPreview
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7.2 Digestive system
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7.2 Digestive system (Part 2)
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7.2 Digestive system (Part 3)
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7.2 Alimentary Canal — Past papers
14 questionsPreview
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7.2 Alimentary Canal - Assignment: extra practice
10 questionsPreview
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7.3 Physical digestion
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7.3 Physical digestion (Part 2)
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7.3 Physical digestion (Part 3)
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7.3 Physical Digestion - Assignment: extra practice
10 questionsPreview
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Human Diet & Digestion - Check yourself
9 questionsPreview
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7.4 Chemical digestion
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7.4 Chemical Digestion — Past papers
10 questionsPreview
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7.4 Chemical digestion (Part 2)
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7.4 Chemical digestion (Part 3)
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7.4 Chemical Digestion - Assignment: extra practice
10 questionsPreview
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7.5 Absorption
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7.5 Absorption — Past papers
10 questionsPreview
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7.5 Absorption (Part 2)
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7.5 Absorption (Part 3)
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7.5 Absorption - Assignment: extra practice
9 questionsPreview
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Unit 7 - Assignment: Human nutrition
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7. Human Nutrition - Unit review (50 questions)
36 questionsPreview
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7.1.10 Digestion of Starch
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7.1.11 Digestion of Protein
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7.1.14 Adaptations of the Small Intestine
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8. Transport in Plants
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8. Transport in Plants
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2.3 Transport in Plants
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6.3 Transport in Plants
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8.1 Xylem and phloem
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8.1 Xylem and Phloem — Past papers
11 questionsPreview
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8.1 Xylem and phloem (Part 2)
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8.2 Water uptake
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8.2 Water uptake (Part 2)
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8.2 Water, Mineral Uptake — Past papers
10 questionsPreview
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8.2 Water, Mineral Uptake - Assignment: extra practice
8 questionsPreview
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Transport in Plants - Check yourself
10 questionsPreview
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8.3 Transpiration
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8.3 Transpiration — Past papers
10 questionsPreview
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8.3 Transpiration (Part 2)
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8.4 Translocation Core
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8.4 Detecting reactions — Question Bank (Cambridge)
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8.4 Concentration and rate — Question Bank (Cambridge)
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8.4 Translocation Core (Part 2)
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8.4 Translocation - Assignment: extra practice
10 questionsPreview
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Unit 8 - Assignment: Transport in plants
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8. Transport in Plants - Unit review (42 questions)
42 questionsPreview
9. Transport in Animals
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9. Transport in Animals
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9.1 Circulatory systems
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9.1 Circulatory Systems — Past papers
10 questionsPreview
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9.1 Circulatory Systems - Assignment: extra practice
10 questionsPreview
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9.2 Heart
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9.2 Heart — Past papers
10 questionsPreview
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9.2 Heart - Assignment: extra practice
10 questionsPreview
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9.3 Blood vessels
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9.3 Measuring current — Question Bank (Cambridge)
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9.3 Electromagnets — Question Bank (Cambridge)
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9.3 Blood Vessels — Past papers
10 questionsPreview
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9.4 Blood
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9.4 Blood - Assignment: extra practice
10 questionsPreview
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Circulatory Systems, Heart & Blood Vessels - Check yourself
10 questionsPreview
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Unit 9 - Assignment: Transport in animals
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9. Transport in Animals - Unit review (50 questions)
50 questionsPreview
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9.3.1 Chemical Cells
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9.1.17 Conversion of Fibrinogen
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10. Diseases and Immunity
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10.1 Diseases and immunity
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10.1 Antibody — Past papers
10 questionsPreview
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10.1 Antibody - Assignment: extra practice
10 questionsPreview
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Diseases & Immunity - Check yourself
10 questionsPreview
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10.2 Immunity and vaccination
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10.2 Immunity And Vaccination — Past papers
11 questionsPreview
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10.2 Immunity And Vaccination - Assignment: extra practice
8 questionsPreview
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10.3 Cholera
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10.3 Cholera Disease — Past papers
10 questionsPreview
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10.3 Cholera Disease - Assignment: extra practice
10 questionsPreview
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Unit 10 - Assignment: Diseases and immunity
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10. Diseases and Immunity - Unit review (37 questions)
37 questionsPreview
11. Gas Exchange in Humans
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11.1 Gas exchange in humans
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11.1 Gas exchange in humans WITH ALVEOLI — Past papers
10 questionsPreview
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Gas Exchange in Humans - Check yourself
10 questionsPreview
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11.2 Inspired and expired air
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11.2 inspired and expired air — Past papers
9 questionsPreview
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11.3 Protection of the gas exchange system
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11.3 Protection of the gas exchange — Past papers
2 questionsPreview
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Unit 11 - Assignment: Gas exchange in humans
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11.3 Protection of the gas exchange system — Supplementary practice (2 questions)
2 questionsPreview
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11.1.8 Volume and Pressure Changes in the Lungs
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12. Respiration
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12.1 Respiration
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12.1 Respiration — Past papers
22 questionsPreview
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12.1 Respiration in cells: aerobic and anaerobic
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12.1 yeast respiration — Past papers
4 questionsPreview
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12.1 Respiration - Assignment: extra practice
10 questionsPreview
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12.2 Aerobic respiration
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12.2 Aerobic respiration, SEED GERMINATION — Past papers
22 questionsPreview
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12.2 Aerobic respiration, SEED GERMINATION - Assignment: extra practice
6 questionsPreview
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12.3 Anaerobic respiration
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12.3 Anaerobic respiration, LACTIC ACID — Past papers
10 questionsPreview
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12.3 Anaerobic respiration, LACTIC ACID - Assignment: extra practice
9 questionsPreview
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Unit 12 - Assignment: Respiration
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12. Respiration - Unit review (43 questions)
16 questionsPreview
13. Excretion in Humans
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13.1 Excretion in humans
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13.1 Extractory System — Past papers
5 questionsPreview
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Excretion in Humans - Check yourself
6 questionsPreview
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13.2 Structure of the kidney and urinary system
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13.2 Kidney Structure — Past papers
6 questionsPreview
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13.3 The nephron and the glomerulus
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13.3 Glomerulus, Nephrone — Past papers
13 questionsPreview
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13.3 Glomerulus, Nephrone - Assignment: extra practice
8 questionsPreview
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13.4 Urea and deamination
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13.4 Urea — Past papers
9 questionsPreview
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13.4 Urea - Assignment: extra practice
7 questionsPreview
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Unit 13 - Assignment: Excretion in humans
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13.4 Urea and deamination — Supplementary practice (10 questions)
10 questionsPreview
14. Coordination and Response
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14.1 Coordination and response
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14.1 Coordination and response — Past papers
3 questionsPreview
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14.1 Coordination and response (Part 5)
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14.1 reflex arc, ACTION — Past papers
7 questionsPreview
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14.1 Synapse — Past papers
10 questionsPreview
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14.1 Synapse - Assignment: extra practice
10 questionsPreview
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Coordination, Response & Homeostasis - Check yourself
6 questionsPreview
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14.2 Sense organs
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14.2 Sense organs (Part 2)
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14.2 Sense organs (Part 3)
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14.2 Sense organs (Part 4)
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14.2 Sense organs (Part 5)
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14.2 Sense organs (EYE) — Past papers
11 questionsPreview
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14.2 Sense organs (EYE) - Assignment: extra practice
10 questionsPreview
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14.3 Hormones
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14.3 Hormones — Past papers
12 questionsPreview
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14.3 Hormones (Part 2)
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14.3 Hormones (Part 3)
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14.3 Hormones (Part 4)
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14.3 Hormones (Part 5)
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14.3 Hormones - Assignment: extra practice
10 questionsPreview
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14.4 Homeostasis
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14.4 Homeostasis — Past papers
11 questionsPreview
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14.4 Homeostasis (Part 5)
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14.5 Tropic responses
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14.5 Tropic responses — Past papers
9 questionsPreview
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14.5 Tropic responses (Part 2)
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14.5 Tropic responses (Part 3)
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14.5 Tropic responses (Part 4)
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14.5 Tropic responses (Part 5)
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Unit 14 - Assignment: Coordination and response
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14. Coordination and Response - Unit review (50 questions)
40 questionsPreview
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14.1.4 The Synapse
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14.1.8 Homeostasis and Insulin
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15. Drugs
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15. Drugs
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15.1 Drugs
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15.1 Drugs — Past papers
12 questionsPreview
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15.1 Drugs - Assignment: extra practice
8 questionsPreview
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15.2 Antibiotic resistance
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15.2 Antibiotic resistance — Past papers
11 questionsPreview
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Drugs in Medicine - Check yourself
8 questionsPreview
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Unit 15 - Assignment: Drugs
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15. Drugs - Unit review (20 questions)
17 questionsPreview
16. Reproduction
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16.1 Asexual reproduction
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16.1 Asexual reproduction — Past papers
10 questionsPreview
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16.1 Asexual reproduction - Assignment: extra practice
5 questionsPreview
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16.2 Sexual reproduction
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16.2 Sexual reproduction — Past papers
6 questionsPreview
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16.2 Inheritance, Genes & Cell Division
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Inheritance, Genes & Cell Division - Check yourself
23 questionsPreview
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16.3 Sexual reproduction in plants
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6.3 Structure of Earth — Question Bank (Cambridge)
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6.3 Making rainbows — Question Bank (Cambridge)
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16.3 Sexual reproduction in plants — Past papers
10 questionsPreview
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16.3 Sexual reproduction in plants - Assignment: extra practice
7 questionsPreview
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16.4 Sexual reproduction in humans
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6.4 Changes to Earth — Question Bank (Cambridge)
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6.4 Colours of light — Question Bank (Cambridge)
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16.4 Sexual reproduction in humans — Past papers
10 questionsPreview
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16.4 Sexual reproduction in humans - Assignment: extra practice
10 questionsPreview
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16.5 Sex hormones in humans
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16.5 Sex hormones in humans — Past papers
10 questionsPreview
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16.5 Sex hormones in humans (Part 2)
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16.5 Sex hormones in humans (Part 3)
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16.5 Sex hormones in humans (Part 4)
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16.5 Sex hormones in humans - Assignment: extra practice
10 questionsPreview
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Reproduction in Plants & Humans - Check yourself
10 questionsPreview
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16.6 Sexually transmitted infections
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16.6 Sexually transmitted infections (Part 2)
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16.6 Sexually transmitted infections (Part 3)
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16.6 Sexually transmitted infections (Part 4)
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16.6 Sexually transmitted DISEASES — Past papers
6 questionsPreview
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Unit 16 - Assignment: Reproduction
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16. Reproduction - Unit review (50 questions)
50 questionsPreview
17. Inheritance
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5.2 Inheritance, Genes & Cell Division
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17.1 Chromosomes, genes and proteins
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17.1 DNA, Chromosomes, genes and ALLELES (X, Y) — Past papers
20 questionsPreview
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17.1 Protein Synthesis — Past papers
10 questionsPreview
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17.1 DNA, Chromosomes, genes and ALLELES (X, Y) - Assignment: extra practice
10 questionsPreview
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17.2 Mitosis Core
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17.2 Mitosis Core (Part 2)
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17.2 Mitosis Core (Part 3)
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17.2 MITOSIS, stem cell — Past papers
14 questionsPreview
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17.2 MITOSIS, stem cell - Assignment: extra practice
8 questionsPreview
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17.3 Meiosis Core
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17.3 Meiosis Core (Part 2)
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17.3 Meiosis Core (Part 3)
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17.3 Meiosis — Past papers
14 questionsPreview
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17.3 Meiosis - Assignment: extra practice
9 questionsPreview
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17.4 Monohybrid inheritance
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17.4 Monohybrid inheritance (Part 2)
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17.4 Monohybrid inheritance (Part 3)
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0610 - 17.4 Monohybrid inheritance - Check yourself
10 questionsPreview
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17.5 Pedigree diagrams and Punnett squares
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17.5 Pedigree and Punnett squares — Past papers
18 questionsPreview
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17.5 Pedigree and Punnett squares - Assignment: extra practice
8 questionsPreview
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17.6 Codominance
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17.6 Codominance — Past papers
9 questionsPreview
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17.6 Codominance - Assignment: extra practice
10 questionsPreview
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17.7 Sex linkage and colour blindness
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17.7 Sex Linked And Colour Blindess — Past papers
10 questionsPreview
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17.7 Sex Linked And Colour Blindess - Assignment: extra practice
10 questionsPreview
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Unit 17 - Assignment: Inheritance
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17.7 Sex linkage and colour blindness — Supplementary practice (6 questions)
6 questionsPreview
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5. Genes, Inheritance and Selection
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18. Variation and Selection
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18.1 Variation
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18.1 Continuous and discontinuous variation — Past papers
25 questionsPreview
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18.1 Mutation — Past papers
10 questionsPreview
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18.1 Continuous and discontinuous variation - Assignment: extra practice
10 questionsPreview
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18.2 Adaptive features
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18.2 Adaptive features — Past papers
14 questionsPreview
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18.2 Adaptive features (Part 2)
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18.2 Adaptive features - Assignment: extra practice
10 questionsPreview
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18.3 Selection
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18.3 Selection — Past papers
10 questionsPreview
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18.3 Selection - Assignment: extra practice
10 questionsPreview
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Variation & Natural Selection - Check yourself
6 questionsPreview
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Unit 18 - Assignment: Variation and selection
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18. Variation and Selection - Unit review (50 questions)
24 questionsPreview
19. Organisms and their Environment
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19. Organisms and Their Environment
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19. Organisms and Their Environment — Extended practice (51 questions)
51 questionsPreview
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19. Organisms and Their Environment — Mixed-topic practice (10 questions)
10 questionsPreview
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6.1 Energy & Feeding Relationships
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19.1 Energy flow
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19.1 Energy flow (Part 2)
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19.1 Energy & Feeding Relationships
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19.1 Energy flow and consumers — Past papers
15 questionsPreview
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19.1 Energy flow and consumers - Assignment: extra practice
5 questionsPreview
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19.2 Food chains and food webs
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19.2 Food chains and food webs (Part 2)
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19.2 Food chains, food webs and pyramids — Past papers
13 questionsPreview
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19.2 Food chains, food webs and pyramids - Assignment: extra practice
5 questionsPreview
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19.3 Nutrient cycles
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19.3 Nutrient cycles (Part 2)
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19.3 The carbon cycle — Past papers
11 questionsPreview
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19.3 The nitrogen cycle — Past papers
10 questionsPreview
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19.3 The nitrogen cycle - Assignment: extra practice
5 questionsPreview
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19.4 Populations
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19.4 Populations — Past papers
10 questionsPreview
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19.4 Populations (Part 2)
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19.4 Populations - Assignment: extra practice
7 questionsPreview
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Unit 19 - Assignment: Organisms and their environment
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19.4 Populations — Supplementary practice (11 questions)
11 questionsPreview
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19.1.3 Pyramids of Number and Biomass
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19.1.4 Pyramids of Energy
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20. Human Influences on Ecosystems
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20.1 Food supply
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20.1 Food supply — Past papers
10 questionsPreview
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20.1 Food supply (Part 2)
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20.1 Food supply (Part 3)
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20.2 Habitat destruction
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20.2 Habitat destruction — Past papers
15 questionsPreview
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20.2 Habitat destruction (Part 2)
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20.2 Habitat destruction (Part 3)
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20.2 Habitat destruction - Assignment: extra practice
10 questionsPreview
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20.3 Pollution
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20.3 Pollution — Past papers
17 questionsPreview
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20.3 Pollution (Part 3)
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20.3 Pollution - Assignment: extra practice
7 questionsPreview
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20.4 Conservation
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20.4 Conservation — Past papers
15 questionsPreview
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20.4 Conservation (Part 3)
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20.4 Conservation - Assignment: extra practice
9 questionsPreview
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20.5 Artificial insemination and IVF in conservation
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20.5 Artificial insemination — Past papers
7 questionsPreview
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Unit 20 - Assignment: Human influences on ecosystems
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20. Human Influences on Ecosystems - Unit review (50 questions)
10 questionsPreview
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20.1.5 Sustainability
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20.1.7 Reasons for Conservation
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21. Biotechnology and Genetic Modification
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21.1 Biotechnology and genetic modification
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Biotechnology & Genetic Modification - Check yourself
6 questionsPreview
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21.1 Genetic modification - Assignment: extra practice
12 questionsPreview
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21.2 Biotechnology
10Preview
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21.2 Biotechnology — Past papers
12 questionsPreview
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21.2 Biotechnology - Assignment: extra practice
9 questionsPreview
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21.3 Genetic modification
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21.1 Genetic modification — Past papers
27 questionsPreview
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21.3 Genetic modification II — Past papers
10 questionsPreview
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21.3 Genetic modification II - Assignment: extra practice
10 questionsPreview
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Unit 21 - Assignment: Biotechnology and genetic modification
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21. Biotechnology and Genetic Modification - Unit review (45 questions)
33 questionsPreview
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21.1.1 Usefulness of Bacteria
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Quiz
1.6 Dichotomous keys — Supplementary practice (6 questions)
Supplementary topical practice: 6 questions.
Study 1.6 Dichotomous keys before attempting this practice.
- Questions count: 6
- Passing grade: B+
- Time limit:
Supplementary topical practice: 6 questions.
Study 1.6 Dichotomous keys before attempting this practice.
- Questions count: 6
- Passing grade: B+
- Time limit: