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Updated 6 November 2025
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Revision quizzes for DP Biology 2025
Paper 1 style Exam questions
Paper 2 style Exam questions
Theme A topics
02 Molecular biology
03 Genetics SL
04 Ecology
05 Evolution
06 Human physiology
07 Nucleic acids AHL
08 Metabolism AHL
09 Plant biology AHL
10 Genetics AHL
11 Animal physiology AHL
Option A - Neurobiology
Option B - Biotechnology
Option C - Ecology
Option D Human physiology
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Revision quizzes for DP Biology 2025
A1.1 Water - revision quiz
A1.2 Nucleic acids - revision quiz
A2.1 Origin of cells - revision quiz
A2.2 Cell structure - revision quiz
A2.3 Viruses (HL) - revision quiz
A3.1 Diversity of organisms - revision quiz
A3.2 Classification & cladistics - revision quiz
A4.1 Evolution & speciation - Revision quiz
A4.2 Conservation & biodiversity - revision quiz
B1.1 Carbohydrates & lipids - Revision quiz
B1.2 Proteins - revision quiz
B2.3 Specialised cells - revision quiz
D2.3 Water potential - revision quiz
Paper 1 style Exam questions
Topic 1 Cell Biology Paper 1 questions
Topic 2 Molecular Biology Paper 1 questions
Topic 3 Genetics Paper 1 questions
Topic 4 Ecology Paper 1 questions
Topic 5 Evolution Paper 1 questions
Topic 6 Human Physiology Paper 1 questions
Topic 7 Nucleic acids HL Paper 1 questions
Topic 8 Metabolism HL Paper 1 questions
Topic 9 Plant biology HL Paper 1 questions
Topic 10 Genetics HL Paper 1 questions
Topic 11 Animal physiology HL Paper 1 questions
Paper 2 style Exam questions
Paper 2 questions Topic 1 Cells
Cross topic question challenges
Paper 2 questions from Topic 2 Molecules
Paper 2 questions Topic 5 Evolution
Theme A topics
Introduction to cells 1.1
Ultrastructure of cells 1.2
Membrane structure 1.3
Membrane transport 1.4
The origin of cells 1.5
Cell division 1.6
02 Molecular biology
Molecules to metabolism 2.1
Water 2.2
Carbohydrates & Lipids 2.3
Proteins 2.4
Enzymes 2.5
Structure of DNA and RNA 2.6
DNA Replication, transcription, translation 2.7
Respiration 2.8
Photosynthesis 2.9
03 Genetics SL
Genes 3.1
Chromosomes 3.2
Meiosis 3.3
Inheritance 3.4
Genetic Modification 3.5
04 Ecology
Species and communities 4.1
Energy flow 4.2
Carbon Cycle 4.3
Climate change 4.4
05 Evolution
Evidence for evolution 5.1
Natural selection 5.2
Classification of biodiversity 5.3
Cladistics 5.4
06 Human physiology
Digestion & absorption 6.1
Blood system 6.2
Defence against disease 6.3
Gas exchange 6.4
Neurones and synapses 6.5
Hormones and reproduction 6.6
07 Nucleic acids AHL
Nucleic acids 7.1 HL
Transcription 7.2 HL
Translation 7.3 HL
08 Metabolism AHL
Metabolism 8.1 HL
Cell respiration 8.2 HL
Photosynthesis 8.3 HL
09 Plant biology AHL
Transport in xylem 9.1 HL
Transport in phloem 9.2 HL
Growth in plants 9.3 HL
Reproduction in plants 9.4 HL
10 Genetics AHL
Meiosis 10.1 HL
Inheritance 10.2 HL
Gene pools and speciation 10.3 HL
11 Animal physiology AHL
Antibody production & vaccination 11.1 HL
Movement 11.2 HL
Kidney and osmoregulation 11.3 HL
Sexual reproduction 11.4 HL
Option A - Neurobiology
Option B - Biotechnology
Option C - Ecology
Option D Human physiology
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