The AP Biology Exam is approximately three hours long and has two sections. Section 1 is Multiple Choice and Grid-in questions and Section 2 is Free Response Questions.. Each section is worth 50% of the final exam grade.

Section 1 lasts 1 hour and 30 minutes and contains 63 multiple choice questions and 6 grid-in questions.

Section 2 lasts 1 hour and 20 minutes (plus a 10 minute reading period), and contains 8 questions consisting of 2 long free response questions and 6 short free response questions.

You can find samples of both the multiple choice (pages 128-163) and free response questions (pages 164-168) in the AP Biology Course and Exam Description, which can be found in the blue, Exam Resources inlay to the right. You can also use the free response questions below as you prepare for the AP Exam.

Free Response Questions and Scoring Guidelines