AP Biology · Free-response questions 2022

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

Official paper (PDF) · QuestionsAll AP Bio papers→

Question 2

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Question 2 — 2. During meiosis, double-strand breaks occur in chromatids. The breaks are either repaired by the exchange of genetic material between homologous nonsister chromatids, which is the process known as crossing over…

Source: College Board — AP Biology, Free-response questions, 2022

Question 3

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Question 3 — __________________________________________________________ 3. Fireflies emit light when the enzyme luciferase catalyzes a reaction in which its substrate, D-luciferin, reacts to form oxyluciferin and other products…

Source: College Board — AP Biology, Free-response questions, 2022

Question 4

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Question 4 — __________________________________________________________ 4. Existing isolated brook trout populations in Newfoundland, Canada, were once part of a larger population that was fragmented at the end of the most recent…

Source: College Board — AP Biology, Free-response questions, 2022

Question 5

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Question 5 — __________________________________________________________ 5. The following models represent all the interacting species in two different communities with some of the same species and feeding relationships. These models…

Source: College Board — AP Biology, Free-response questions, 2022

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