Examinations and Assessment of practical skills AS:1 and 2 exams are sat in June, last 1.5 hours each and are worth 30% of A-level (15% each)
AS:3 is worth 10% and consists of a 1 hour practical exam and writing up a practical lab book. A2:1 and 2 modules are sat in May, after 2 years, last 2 hours and 15 minutes each and are worth 48% (24% each) of the entire A-level.
A2: 3 is worth 12% and consists of a 1 hour 15 minute practical exam and a practical lab book. Skills required for AS and A2 biology