Edexcel A Level Biology: Topic Questions

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