Edexcel A Level Biology: Topic Questions

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Questions organised by topic with mark schemes for the Edexcel A Level Biology course.

Questions by TopicMark Schemes
Section 1: Biological Molecules
Carbohydrates 1Carbohydrates MS1
Carbohydrates 2Carbohydrates MS2
Carbohydrates 3Carbohydrates MS3
​Carbohydrates 4Carbohydrates MS4
Lipids 1Lipids MS1
Lipids 2Lipids MS2
Proteins 1 Proteins MS1
Proteins 2Proteins MS2
Proteins 3Proteins MS3
​Proteins 4Proteins MS4
DNA & Protein Synthesis 1


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DNA & Protein Synthesis 2
DNA & Protein Synthesis 3
DNA & Protein Synthesis 4
​DNA & Protein Synthesis 5
​DNA & Protein Synthesis 6
DNA & Protein Synthesis 7
Enzymes 1
Enzymes 2
Enzymes 3
Enzymes 4
Inorganic Ions 1
Inorganic Ions 2
Water
Section 2: Cells, Viruses & Reproduction of Living Things
Eukaryotic & Prokaryotic Cell Structure & Function 1
Eukaryotic & Prokaryotic Cell Structure & Function 2
Eukaryotic & Prokaryotic Cell Structure & Function 3
Eukaryotic & Prokaryotic Cell Structure & Function 4
Eukaryotic & Prokaryotic Cell Structure & Function 5
Eukaryotic & Prokaryotic Cell Structure & Function 6
​Eukaryotic & Prokaryotic Cell Structure & Function 7
Viruses 1
Viruses 2
Eukaryotic Cell Cycle & Division 1 
Eukaryotic Cell Cycle & Division 2
Eukaryotic Cell Cycle & Division 3
Eukaryotic Cell Cycle & Division 4
Sexual Reproduction in Mammals 1
Sexual Reproduction in Mammals 2
​Sexual Reproduction in Mammals 3
Sexual Reproduction in Plants 1
Sexual Reproduction in Plants 2
Section 3: Classification & Biodiversity
Classification 1
Classification 2
Classification 3
​Classification 4
Natural Selection 1
Natural Selection 2
Natural Selection 3
Natural Selection 4
Natural Selection 5
Natural Selection 6
Biodiversity 1
Biodiversity 2
Biodiversity 3
Biodiversity​ 4
Section 4: Exchange & Transport
Surface Area to Volume Ratio
Cell Transport Mechanisms 1
Cell Transport Mechanisms 2
Cell Transport Mechanisms 3
Cell Transport Mechanisms 4
Gas Exchange 1
Gas Exchange 2
Gas Exchange 3
Circulation 1 
Circulation 2
Circulation 3 
Circulation 4
Circulation 5 
Circulation 6
Circulation 7
Circulation 8
Transport of gases in the blood
Transport in Plants 1
Transport in Plants 2
Section 5: Energy for Biological Processes
Aerobic Respiration 1
Aerobic Respiration 2
Link Reaction & Krebs Cycle
Oxidative Phosphorylation
Anaerobic Respiration
Photosynthesis & Photosynthesis Pigments 1
Photosynthesis & Photosynthesis Pigments 2
Photosynthesis & Photosynthesis Pigments 3
Photosynthesis & Photosynthesis Pigments 4
Section 6: Microbiology & Pathogens
Microbial Techniques 1
Microbial Techniques 2
Microbial Techniques 3
Bacteria as Pathogens
Action of Antibiotics 1
Action of Antibiotics 2
Response to Infection 1
Response to Infection 2
Response to Infection 3
Response to Infection 4 
Response to Infection 5
Response to Infection 6
Section 7: Modern Genetics
Gene Sequencing
Factors affecting Gene Expression
Strem Cells 1
Strem Cells 2
Strem Cells 3
Gene technology 1
Gene technology 2
Gene technology 3
Section 8: Origins of Genetic Variation
Transfer of Genetic Variation 1
Transfer of Genetic Variation 2
Transfer of Genetic Variation 3 
Transfer of Genetic Variation 4
Transfer of Genetic Variation 5
Transfer of Genetic Variation 6
Transfer of Genetic Variation 7
Gene Pools
Section 9:Control Systems
Chemical control in mammals
Chemical control in plants
Structure & Function of the Mammal Nervous System 1
Structure & Function of the Mammal Nervous System 2
Structure & Function of the Mammal Nervous System 3
Nervous Transmission 1
Nervous Transmission 2
Nervous Transmission 3
Nervous Transmission 4
Nervous Transmission 5
Effects of drugs on the nervous system
Detection of Light by Mammals
Control of Heart Rate in Mammals
Osmoregulation & Temperature Regulation 1
Osmoregulation & Temperature Regulation 2
Section 10: Nature of Ecosystems
The nature of ecosystems
Energy transfer through ecosystems 1
Energy transfer through ecosystems 2
Energy transfer through ecosystems 3
Energy transfer through ecosystems 4
Change in ecosystems 1
Change in ecosystems ​2
Change in ecosystems 3 ​
Human effects of ecosystems 1
Human effects of ecosystems 2
Human effects of ecosystems 3
Human effects of ecosystems 4
Human effects of ecosystems 5

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