Multiple Choice Questions
MCQs
- Time: 90 minutes
- 60 multiple – choice questions (core)
- No marks deducted from incorrect answers
- A four-function, scientific, or graphing calculator is allowed
- 50% weight
Free-Response Questions
- Time: 90 minutes
- 6 FRQ Questions
- Question 1: Interpreting and Evaluating Experimental Results (8–10 pts)
- Question 2: Interpreting and Evaluating Experimental Results with Graphing (8–10 pts)
- Question 3: Scientific Investigation (4 pts)
- Question 4: Conceptual Analysis (4 pts)
- Question 5: Analyze Model or Visual Representation (4 pts)
- Question 6: Analyze Data (4 pts)
- No marks deducted from incorrect answers
- A four-function, scientific, or graphing calculator is allowed
- 50% weight
Unit 2: Cell Structure and Function
Unit 7: Natural Selection
- 7.1 Introduction to Natural Selection
- 7.2 Natural Selection
- 7.3 Artificial Selection
- 7.4 Population Genetics
- 7.5 Hardy-Weinberg Equilibrium
- 7.6 Evidence of Evolution
- 7.7 Common Ancestry
- 7.8 Continuing Evolution
- 7.9 Phylogeny
- 7.10 Speciation
- 7.11 Extinction
- 7.12 Variations in Populations
- 7.13 Origin of Life on Earth
Free-Response Questions(FRQs)
MCQs
- Time: 45 minutes
- 35 multiple – choice questions (core)
- No marks deducted from incorrect answers
- A four-function, scientific, or graphing calculator is allowed
- 50% weight
Free-Response Questions
- Time: 45 minutes
- 3 Questions
- No marks deducted from incorrect answers
- A four-function, scientific, or graphing calculator is allowed
- 50% weight
Unit 2: Cell Structure and Function
Unit 7: Natural Selection
- 7.1 Introduction to Natural Selection
- 7.2 Natural Selection
- 7.3 Artificial Selection
- 7.4 Population Genetics
- 7.5 Hardy-Weinberg Equilibrium
- 7.6 Evidence of Evolution
- 7.7 Common Ancestry
- 7.8 Continuing Evolution
- 7.9 Phylogeny
- 7.10 Speciation
- 7.11 Extinction
- 7.12 Variations in Populations
- 7.13 Origin of Life on Earth
Course Content
The AP Biology Exam assesses student understanding of the science practices and learning objectives outlined in the course framework. The exam is 3 hours long and includes 60 multiple-choice questions and 6 free-response questions. A four-function, scientific, or graphing calculator is allowed on both sections of the exam.
Exam Weighting for the Multiple-Choice Section of the AP Exam
Unit Exam Weighting
1: Chemistry of Life 8–11%
2: Cell Structure and Function 10–13%
3: Cellular Energetics 12–16%
4: Cell Communication and Cell Cycle 10–15%
5: Heredity 8–11%
6: Gene Expression and Regulation 12–16%
7: Natural Selection 13–20%
8: Ecology 10–15%
