A LEVEL

AQA A-Level Year 12 Biology Topic Questions Older Questions

Prepare for your AQA A level Biology Year 12 exams with our collection of older questions. Includes mark schemes and exam questions on topics like biological molecules and cells.

Last updated: 3 September 2026

Looking for exam papers instead? Open exam papers.

Topic 1 - Biological Molecules

Question Paper	Mark Scheme
Monomers and Polymers	Monomers and Polymers
Carbohydrates	Carbohydrates
Carbohydrates 2	Carbohydrates 2
Lipids	Lipids
Lipids 2	Lipids 2
Proteins	Proteins
Enzymes	Enzymes
Nucleic Acids	Nucleic Acids
ATP	ATP
Water	Water
Inorganic Ions	Inorganic Ions

Topic 2 - Cells

Question Paper	Mark Scheme
Cell Structure	Cell Structure
Studying Cells	Studying Cells
Mitosis	Mitosis
Mitosis 2	Mitosis 2
Transport Across Cell Membrane	Transport Across Cell Membrane
Immune System	Immune System
Immunology	Immunology

Topic 3 - Exchange of Substances

Question Paper	Mark Scheme
Surface Area to Volume Ratio	Surface Area to Volume Ratio
Gas Exchange	Gas Exchange
Digestion and Absorption	Digestion and Absorption
Mass Transport in Animals	Mass Transport in Animals
Mass Transport in Plants	Mass Transport in Plants

Topic 4 - Genetic Information

Question Paper	Mark Scheme
Gene, DNA and Chromosomes	Gene, DNA and Chromosomes
DNA and Protein Synthesis	DNA and Protein Synthesis
Genetic Diversity	Genetic Diversity
Genetic Diversity 2	Genetic Diversity 2
Taxonomy	Taxonomy
Biodiversity	Biodiversity
Investigating Diversity	Investigating Diversity

Author: Access Tuition Editorial Team

Access Tuition's editorial team curates and reviews exam resources to keep content accurate, clear, and up to date for UK students.