Science

AS content:
Topic 1: Biological Molecules
Topic 2: Cells
Topic 3: Organisms exchange substances with their environment
Topic 4: Genetic information, variation and relationships between organisms

Practical skills to be assessed in written papers. Overall, at least 15% of the marks for an AS Biology qualification will require the assessment of practical skills and 10% Mathematical skills.

AS Assessments
Paper 1: Any content from topics 1–4, including relevant practical skills
(written exam: 1 hour 30 minutes,  75 marks, 50% of AS)
Paper 2: Any content from topics 1–4, including relevant practical skills
(written exam: 1 hour 30 minutes,  75 marks, 50% of AS)


A2 content:
Topic 5: Energy transfers in and between organisms
Topic 6: Organisms respond to changes in their internal and external environments
Topic 7: Genetics, populations, evolution and ecosystems
Topic 8: The control of gene expression 

A2 Assessments
Paper 1: Any content from topics 1–4, including relevant practical skills
(written exam: 2 hour,  91 marks, 35% of A level)
Paper 2: Any content from topics 5–8, including relevant practical skills
(written exam: 2 hour,  91 marks, 35% of A level)
Paper 3: Any content from topics 1–8, including relevant practical skills
(written exam: 2 hours, 78 marks, 30% of A-level)