The course is made up of two papers which are examined at the end of year 11. The papers are 1hr 45 mins long.
The specification which lists all the course content that you need to know can be found here.
Year 11:
Biology TRIPLE (H/F) paper 1 13th May (pm) 1hr 45mins
Biology TRIPLE (H/F) paper 2 9th June (am) 1hr 45mins