AP Biology Exam Notes

AP Biology Exam Overview

  • Total Score: 100 points
  • Structure:
  • Multiple-choice Questions: 60 points
  • Free Response Questions: 40 points
  • Exam Duration: 3 hours
  • Instructions:
  • Answers must be filled in on the answer sheet using a 2B pencil.
  • Responses written directly on the question paper are invalid.
  • Both the question paper and answer sheet must be returned after the exam.

Multiple-choice Questions

  • Total: 30 questions (2 points each)

Sample Questions

  1. Which of the following is NOT a primary function of the cell membrane?
  • A. Transport of substances
  • B. Protection of the cell
  • C. Cell division
  • D. Intercellular communication
  1. In photosynthesis, where is light energy converted into chemical energy?
  • A. Mitochondria
  • B. Chloroplasts
  • C. Nucleus
  • D. Cytoplasm
  1. Which enzyme is essential during DNA replication?
  • A. Restrictive endonuclease
  • B. Reverse transcriptase
  • C. DNA polymerase
  • D. Nuclease
  1. Which process does NOT involve cellular respiration?
  • A. Glycolysis
  • B. Citric acid cycle
  • C. Electron transport chain
  • D. Photosynthesis
  1. Which hormone is secreted by the pancreas?
  • A. Insulin
  • B. Thyroxine
  • C. Epinephrine
  • D. Gonadotropin

… (continuation omitted)

  1. Which biotechnological method does NOT involve genetic engineering?
  • A. Gene cloning
  • B. Gene knockout
  • C. Cell culture
  • D. Gene editing
  1. Which disease is caused by a genetic mutation?
  • A. Diabetes
  • B. Hypertension
  • C. Cystic fibrosis
  • D. AIDS

Free Response Questions

  • Total: 4 questions (10 points each)

Sample Questions

  1. Describe the main differences between mitosis and meiosis, and explain why meiosis is necessary for maintaining the stability of chromosome numbers in species.

  2. Explain the role of enzymes in biological systems, and provide examples of how environmental conditions can influence enzyme activity.

  3. Describe the process of photosynthesis, and explain why photosynthesis is critical for life on Earth.

  4. Discuss the potential impacts of gene mutations on organisms, and explain why gene mutations play an important role in evolution.

  • Important Reminder:
  • Ensure answers are clearly written and follow the order of the questions on the answer sheet.
  • Good luck on your exam!