IGCSE Coordinated Sciences Biology 0654 / 0973 (9-1)
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IGCSE Coordinated Sciences Double Award Biology Multiple Choice Questions 2025/2026/2027 Exams / 11-Gas-Exchange-In-Humans-0654-Paper-2-Coordinated-Sciences-Biology-Topic Questions
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Gas-Exchange-In-Humans-0654-Paper-2-Coordinated-Sciences-Biology-Topic Questions

IGCSE Coordinated Sciences Double Award Biology Multiple Choice Questions 2025/2026/2027 Exams
1-Characteristics-of-living-organisms-0654- Paper-2-Coordinated-Sciences-Biology-Topic Questions
1.1.1
Characteristics of living Organisms Set-1-qp.pdf Locked
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Characteristics of living Organisms Set-6-qp.pdf Locked
Characteristics of living Organisms Set-6-ms.pdf Locked
2-Cells-0654- Paper-2-Coordinated-Sciences-Biology-Topic Questions
2.1
0654-P2-Cells-Set-2-qp.pdf Locked
0654-P2-Cells-Set-2-ms.pdf Locked
0654-P2-Cells-Set-3-qp.pdf Locked
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2.1.1
Cell-Basics-Set-1-qp.pdf Locked
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2.1.2
Plant-Animal-Cells-Set-1-qp.pdf Locked
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2.1.3
Specialised-Cells-Set-1-qp.pdf Locked
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3-Movement-Into-and-Out-of-Cells-0654- Paper-2-Coordinated-Sciences-Biology-Topic Questions
3.1
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0654-P2-B3-Movement-in-and-out-of-cells-Set-2-qp.pdf Locked
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3.1.1
Diffusion-Set-1-qp.pdf Locked
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3.2.1
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4-Biological-molecules-0654- Paper-2-Coordinated-Sciences-Biology-Topic Questions
4.1
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Chemical-Elements-that-make-up-Carbohydrates-Set-1-qp.pdf Locked
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4.2
Test-for-nutrients-Set-1-qp.pdf Locked
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4.3
Polymers-and-Monomers-Set-1-qp.pdf Locked
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5-Enzymes-0654- Paper-2-Coordinated-Sciences-Biology-Topic Questions
5.1
0654-Characteristics-and-Properties-of-enzymes-Extra-Questions-new-syllabus-Set-1-qp.pdf Locked
0654-Characteristics-and-Properties-of-enzymes-Extra-Questions-new-syllabus-Set-1-ms.pdf Locked
5.1.1
Enzymes-Basics-Set-1-qp.pdf Locked
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5.1.2
Denaturing-Enzymes-Set-1-qp.pdf Locked
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5.1.3
Factors-Affecting-Enzyme-Action-Set-1-qp.pdf Locked
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Factors-Affecting-Enzyme-Action-Set-2-qp.pdf Locked
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5.2
0654-Effect-of-pH-on-enzyme-Extra-Questions-new-syllabus-Set-1-qp.pdf Locked
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5.3
0654-Effect-of-temperature-on-enzymes-Extra-Questions-new-syllabus-Set-1-qp.pdf Locked
0654-Effect-of-temperature-on-enzymes-Extra-Questions-new-syllabus-Set-1-ms.pdf Locked
0654-Effect-of-temperature-on-enzymes-Extra-Questions-new-syllabus-Set-2-qp.pdf Locked
0654-Effect-of-temperature-on-enzymes-Extra-Questions-new-syllabus-Set-2-ms.pdf Locked
5.4
0654-Action-of-enzymes-Extra-Questions-new-syllabus-Set-1-qp.pdf Locked
0654-Action-of-enzymes-Extra-Questions-new-syllabus-Set-1-ms.pdf Locked
6-Plant-Nutrition-0654- Paper-2 Coordinated-Sciences-Biology-Topic Questions
6.1.1
Photosynthesis-basics-Set-1-qp.pdf Locked
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6.1.2
Photosynthesis-equation-Set-1-qp.pdf Locked
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6.3.1
Factors-Affecting-photosynthesis-Set-1-qp.pdf Locked
Factors-Affecting-photosynthesis-Set-1-ms.pdf Locked
6.4.1
Chlorophyll- Set-1-qp.pdf Locked
Chlorophyll- Set-1-ms.pdf Locked
6.5.1
Leaf-structure-function-Set-1-qp.pdf Locked
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6.6.1
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6.7.1
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7-Human-Nutrition-0654- Paper-2-Coordinated-Sciences-Biology-Topic Questions
7.1
0654-Fibre and digestion-Extra-Questions-Set-1-qp.pdf Locked
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0654-P2-Animal nutrition-new-syllabus-Set-1-qp.pdf Locked
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0654-P2-Chemical digestion-Extra-Questions-Set-1-qp.pdf Locked
0654-P2-Chemical digestion-Extra-Questions-Set-1-ms.pdf Locked
0654-P2-Ezymes and their function-Extra-Questions-Set-1-qp.pdf Locked
0654-P2-Ezymes and their function-Extra-Questions-Set-1-ms.pdf Locked
0654-P2-Mechanical digestion-Extra-Questions-Set-1-qp.pdf Locked
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0654-P2-Peristalsis-Extra-Questions-Set-1-qp.pdf Locked
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0654-P2-Rickets and scurvy-Extra-Questions-Set-1-qp.pdf Locked
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7.1.1
Alimentary-Canal-Basics-Set-1-qp.pdf Locked
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7.2.1
Physical-Chemical-Digestion-Set-1-qp.pdf Locked
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7.3.1
Digestive-Enzymes-Set-1-qp.pdf Locked
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7.4.1
Bile-Set-1-qp.pdf Locked
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7.5.1
Role-of-nutrients-Set-1-qp.pdf Locked
Role-of-nutrients-Set-1-ms.pdf Locked
7.6.1
Deficiency-diseases-Set-1-qp.pdf Locked
Deficiency-diseases-Set-1-ms.pdf Locked
8-Transport-in-Plants-0654-Paper-2-Coordinated-Sciences-Biology-Topic Questions
8.1
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8.2
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8.3
Transpiration-Set-1-qp.pdf Locked
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9-Transport-in-Animals-0654-Paper-2-Coordinated-Sciences-Biology-Topic Questions
9.1
Working-of-heart-Set-1-qp.pdf Locked
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Working-of-heart-Set-2-qp.pdf Locked
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9.2
Components-of-blood-Set-1-qp.pdf Locked
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9.5
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9.6
Arteries-capillaries-veins-Set-1-qp.pdf Locked
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10-Diseases-and-Immunity-0654-Paper-2-Coordinated-Sciences-Biology-Topic Questions
11-Gas-Exchange-In-Humans-0654-Paper-2-Coordinated-Sciences-Biology-Topic Questions
11.1
Labeling-gas-exchange-system-Set-1-qp.pdf Locked
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12-Respiration-0654-Paper-2-Coordinated-Sciences-Biology-Topic Questions
13-Coordination-and-Response-0654-Paper-2-Coordinated-Sciences-Biology-Topic Questions
13.1
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14-Drugs-0654-Paper-2-Coordinated-Sciences-Biology-Topic Questions
14.1
Drugs-Antibiotics-New-Topic-revised-Syllabus-Set-1-qp.pdf Locked
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15-Reproduction-0654-Paper-2-Coordinated-Sciences-Biology-Topic Questions
15.1
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16-Inheritance-0654-Paper-2-Coordinated-Sciences-Biology-Topic Questions
16.3
Monohybrid-inheritance-pedigree-diagrams-Set-1-qp.pdf Locked
Monohybrid-inheritance-pedigree-diagrams-Set-1-ms.pdf Locked
17-Variation-and-Selection-0654-Paper-2-Coordinated-Sciences-Biology-Topic Questions
17.0
Variation-basics-Set-1-qp.pdf Locked
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17.1
Homozygous-Heterozygous-Alleles-Set-1-qp.pdf Locked
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17.2
Natural-Selection-Selective-Breeding-Artificial-Selection-Set-1-qp.pdf Locked
Natural-Selection-Selective-Breeding-Artificial-Selection-Set-1-ms.pdf Locked
18-Organisms-and-their-Environment-0654-Paper-2-Coordinated-Sciences-Biology-Topic Questions
18.0.0
Food-Chain-Basics-Set-1-qp.pdf Locked
Food-Chain-Basics-Set-1-ms.pdf Locked
18.0.1
Ecosystem-Set-1-qp.pdf Locked
Ecosystem-Set-1-ms.pdf Locked
18.1
Food-chain-Set-1-qp.pdf Locked
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18.3
Carbon-cycle-Set-1-qp.pdf Locked
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18.4
Energy-losses-food-chain-Set-1-qp.pdf Locked
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18.5
Energy-Source-in-Food-Chains-Set-1-qp.pdf Locked
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18.6
Food-Webs-Set-1-qp.pdf Locked
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19-Human-influences-on-Ecosystems-0654-Paper-2-Coordinated-Sciences-Biology-Topic Questions
19.1
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19.2
Deforestation-Set-1-qp.pdf Locked
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19.3
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Global-warming-Greenhouse-effect-Set-1-qp.pdf Locked
Global-warming-Greenhouse-effect-Set-1-ms.pdf Locked
19.4
Carbon dioxide-Source-and-Pollutants-Set-1-qp.pdf Locked
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19.6
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