Below are a list of availble past IB Biology IA example courseworks from the IBO website. They are complete works submitted along with marks, marking rubrics and examiner comments.
IB Biology IA Examples
IBO Site
Student work (PDF)
Examiner comments (PDF)
Mark scheme
1 - A study on the effect of smoke water on the germination and growth of Eucalyptus pilularis
Mark: 21/24
IBO Site
Student work (PDF)
Examiner comments (PDF)
Mark scheme
4 - Different methods of fruit ripening and the metabolism of starch to glucose in nectarines
Mark: 19/24
IBO Site
Student work (PDF)
Examiner comments (PDF)
Mark scheme
9 - Comparing the effect of light quality on the photosynthetic rate in Lycopersicon esculentum
Mark: 19/24
IBO Site
Student work (PDF)
Examiner comments (PDF)
Mark scheme
10 - Does the presence of lactose in E.coli increase the rate of activity of the enzyme beta-galactosidase?
Mark: 8/24