AP Biology · Free-response, form B 2010

4 questions, each with its course unit and the official scoring guidelines.

Official paper (PDF) · QuestionsAll AP Bio papers→

Question 1

Open answer
Question 1 — 1. Biological molecules can be separated by using chromatographic techniques. The diagram above shows the separation of several spinach leaf pigments by paper chromatography. Using the diagram above (a) Explain how…

Source: College Board — AP Biology, Free-response, form B, 2010

Question 4

Open answer
Question 4 — 4. On a trip to a dense forest, a biologist noticed that millipedes (small invertebrates) were plentiful under logs but were rarely seen in any other location. (a) Propose THREE environmental variables (two abiotic and…

Source: College Board — AP Biology, Free-response, form B, 2010

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