AP Biology · Free-response questions 2010

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

Official paper (PDF) · QuestionsAll AP Bio papers→

Question 2

Open answer
Question 2 — 2. An experiment was conducted to measure the reaction rate of the human salivary enzyme α-amylase. Ten mL of a concentrated starch solution and 1.0 mL of α-amylase solution were placed in a test tube. The test tube was…

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

Question 3

Open answer
Question 3 — 3. A new species of fly was discovered on an island in the South Pacific. Several different crosses were performed, each using 100 females and 100 males. The phenotypes of the parents and the resulting offspring were…

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

Question 4

Open answer
Question 4 — 4. The diagram above shows the succession of communities from annual plants to hardwood trees in a specific area over a period of time. (a) Discuss the expected changes in biodiversity as the stages of succession…

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

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