IB Biology IA Example Courseworks

Past IA’s with Marking Rubrics and Examiner Comments

Below are a collection of Internal Assessments, conducted by previous IB students. They have been marked by official IB examiners and the examiner comments are found below.

IB Biology Example IA's

1 - A study on the effect of smoke water on the germination and growth of Eucalyptus pilularis
IBO Site

Mark: 21/24

Student work (PDF) Examiner comments (PDF)
2 - The effect of sunlight on biomass
IBO Site

Mark: 10/24

Student work (PDF) Examiner comments (PDF)
3 - Fire ecology
IBO Site

Mark: 19/24

Student work (PDF) Examiner comments (PDF)
4 - Different methods of fruit ripening and the metabolism of starch to glucose in nectarines
IBO Site

Mark: 19/24

Student work (PDF) Examiner comments (PDF)
5 - Investigating the Effect of Time on the Plasmolysis of Potatoes
IBO Site

Mark: 19/24

Student work (PDF) Examiner comments (PDF)
6 - The structure and function of barley amylases
IBO Site

Mark: 19/24

Student work (PDF) Examiner comments (PDF)
7 - The effect of light levels on the predation of the peppered moth
IBO Site

Mark: 21/24

Student work (PDF) Examiner comments (PDF)
8 - Investigating the effect of different light intensities on water weed
IBO Site

Mark: 16/24

Student work (PDF) Examiner comments (PDF)
9 - Comparing the effect of light quality on the photosynthetic rate in Lycopersicon esculentum
IBO Site

Mark: 19/24

Student work (PDF) Examiner comments (PDF)
10 - Does the presence of lactose in E.coli increase the rate of activity of the enzyme beta-galactosidase?
IBO Site

Mark: 8/24

Student work (PDF) Examiner comments (PDF)
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