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  1. Section I is the multiple-choice portion of the exam. Mark all of your responses beginning on page 2 of your answer sheet, one response per question. If you need to erase, do so carefully and completely. Your score on the multiple-choice section will be based solely on the number of questions answered correctly.

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  2. This is a modified version of the 2013 AP Biology Exam. This practice exam is provided by the College Board for AP Exam preparation. Exams may not be posted on school or personal websites, nor electronically redistributed for any reason. Teachers are permitted to download the materials and make copies to use with the students in a classroom ...

  3. Download free-response questions from past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions. If you are using assistive technology and need help accessing these PDFs in another format, contact Services for Students with Disabilities at 212-713-8333 or by email at ssd@info.collegeboard.org.

  4. 1. In an investigation of fruit-fly behavior, a covered choice chamber is used to test whether the spatial distribution of flies is affected by the presence of a substance placed at one end of the chamber. To test the flies’ preference for glucose, 60 flies are introduced into the middle of the choice chamber at the insertion point indicated ...

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  5. quizlet.com › test › ap-biology-exam-2013-24431318AP Biology Exam 2013 | Quizlet

    A covalent bond in which the electrons are drawn to one nucleus more than the other, resulting in an unequal distribution of charge. Quiz yourself with questions and answers for AP Biology Exam 2013, so you can be ready for test day.

  6. This is the 2013 practice test published by the College Board. Includes AP Biology multiple choice, grid-ins, and free response questions. Be sure to review this one! This is the 1999 exam that was released by the College Board. Includes answers for multiple choice along with thorough explanations for the essay questions.

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  8. Increase your exam confidence with these AP® Biology past papers. By practising with past papers, you’ll get more familiar with the exam structure and types of questions. They’re a great way to improve your timing, assess progress and identify which topics you need to focus on. Explore our AP® Biology past papers for each exam board below ...

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