AP Biology Practice Tests
The AP Biology Exam is 3 hours long and is divided into two sections: Section I (multiple-choice questions) and Section II (free-response questions).
The AP biology exam assesses content from each of four big ideas for the course:
1. Evolution
2. Energetics
3. Information Storage and Transmission
4. Systems Interactions
- How to Approach AP Biology Multiple-Choice Questions
- How to Approach AP Biology Free-Response Questions
The details of the AP biology exam, including exam weighting and timing, can be found below:
| Section | Question Type | Number of Questions | Exam Weighting | Timing |
| I | Multiple-choice questions | 60 | 50% | 90 minutes |
| II | Free-response questions |
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AP Biology Multiple-Choice Practice Tests
- AP Biology Practice Test 1
- AP Biology Practice Test 2
- AP Biology Practice Test 3
- AP Biology Practice Test 4
- AP Biology Practice Test 5
- AP Biology Practice Test 6
- AP Biology Practice Test 7
- AP Biology Practice Test 8
- AP Biology Practice Test 9
- AP Biology Practice Test 10
- AP Biology Practice Test 11
- AP Biology Practice Test 12
- AP Biology Practice Test 13
- AP Biology Practice Test 14
- AP Biology Practice Test 15
- AP Biology Practice Test 16
- AP Biology Practice Test 17
- AP Biology Practice Test 18
- AP Biology Practice Test 19
- AP Biology Practice Test 20
- AP Biology Practice Test 21
- AP Biology Practice Test 22
- AP Biology Practice Test 23
- AP Biology Practice Test 24
- AP Biology Practice Test 25
- AP Biology Practice Test 26
- AP Biology Practice Test 27
- AP Biology Practice Test 28
- AP Biology Practice Test 29
- AP Biology Practice Test 30
- AP Biology Practice Test 31
- AP Biology Practice Test 32
- AP Biology Practice Test 33
- AP Biology Practice Test 34
- AP Biology Practice Test 35
- AP Biology Practice Test 36
- AP Biology Practice Test 37
- AP Biology Practice Test 38
- AP Biology Practice Test 39
- AP Biology Practice Test 40
- AP Biology Practice Test 41
- AP Biology Practice Test 42
- AP Biology Practice Test: Chemistry of Life
- AP Biology Practice Test: Cell Structure and Function
- AP Biology Practice Test: Cellular Energetics
- AP Biology Practice Test: Cell Communication and Cell Cycle
- AP Biology Practice Test: Heredity
- AP Biology Practice Test: Gene Expression and Regulation
- AP Biology Practice Test: Natural Selection
- AP Biology Practice Test: Ecology
- AP Biology Practice Test: Quantitative Skills and Biostatistics
- AP Biology Practice Test 1
- AP Biology Practice Test 2
- AP Biology Practice Test 3
- AP Biology Practice Test 4
- AP Biology Practice Test 5
- AP Biology Practice Test 6
- AP Biology Practice Test 7
- AP Biology Practice Test 8
- AP Biology Practice Test 9
- AP Biology Practice Test 10
- AP Biology Multiple-Choice Practice Test 11
- AP Biology Multiple-Choice Practice Test 12
- AP Biology Multiple-Choice Practice Test 13
- AP Biology Multiple-Choice Practice Test 14
- AP Biology Multiple-Choice Practice Test 15
AP Free-Response Biology Practice Tests Online
- AP Biology Free-Response Practice Test 1
- AP Biology Free-Response Practice Test 2
- AP Biology Free-Response Practice Test 3
- AP Biology Free-Response Practice Test 4
- AP Biology Free-Response Practice Test 5
- AP Biology Free-Response Practice Test 6
- AP Biology Free-Response Practice Test 7
- AP Biology Free-Response Practice Test 8
- AP Biology Free-Response Practice Test 9
- AP Biology Free-Response Practice Test 10
- AP Biology Free-Response Practice Test 11
- AP Biology Free-Response Practice Test 12
- AP Biology Free-Response Practice Test 13
- AP Biology Free-Response Practice Test 14
- AP Biology Free-Response Practice Test 15
- AP Biology Free-Response Practice Test 16
AP Biology Grid-Ins Practice Tests
- AP Biology Grid-Ins Practice Test 1
- AP Biology Grid-Ins Practice Test 2
- AP Biology Grid-Ins Practice Test 3
- AP Biology Grid-Ins Practice Test 4
- AP Biology Grid-Ins Practice Test 5
- AP Biology Grid-Ins Practice Test 6
- AP Biology Grid-Ins Practice Test 7
- AP Biology Grid-Ins Practice Test 8
AP Biology Flashcards
- AP Biology Flashcards Set 1
- AP Biology Flashcards Set 2
- AP Biology Flashcards Set 3
- AP Biology Flashcards Set 4
- AP Biology Flashcards Set 5
- AP Biology Flashcards Set 6
- AP Biology Flashcards Set 7
- AP Biology Flashcards Set 8
- AP Biology Flashcards Set 9
- AP Biology Flashcards Set 10
- AP Biology Flashcards Set 11
- AP Biology Flashcards Set 12
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AP Biology Downloads
- AP Biology Free-Response Practice Test 1 Pdf Download
- AP Biology Free-Response Practice Test 2 Pdf Download
- AP Biology Full-Length Practice Test Pdf Download
- AP Biology: Chemistry Multiple-Choice Practice Test
- AP Biology: Cells Multiple-Choice Practice Test
- AP Biology: Respiration Multiple-Choice Practice Test
- AP Biology: Photosynthesis Multiple-Choice Practice Test
- AP Biology: Cell Division Multiple-Choice Practice Test
- AP Biology: Heredity Multiple-Choice Practice Test
- AP Biology: Molecular Genetics Multiple-Choice Practice Test
- AP Biology: Evolution Multiple-Choice Practice Test
- AP Biology: Taxonomy and Classification Multiple-Choice Practice Test
- AP Biology: Plants Multiple-Choice Practice Test
- AP Biology: Human Physiology Multiple-Choice Practice Test
- AP Biology: Human Reproduction Multiple-Choice Practice Test
- AP Biology: Behavioral Ecology and Ethology Multiple-Choice Practice Test
- AP Biology: Ecology in Further Detail Multiple-Choice Practice Test
- AP Biology: Laboratory Multiple-Choice Practice Test
- AP Biology Practice Test 1: Evolution pdf download
- AP Biology Practice Test 2: Common Ancestry pdf download
- AP Biology Practice Test 3: Life Continues to Evolve pdf download
- AP Biology Practice Test 4: Origin of Living Systems pdf download
- AP Biology Practice Test 5: Matter & Energy pdf download
- AP Biology Practice Test 6: Internal Environments pdf download
- AP Biology Practice Test 7: Feedback Mechanisms pdf download
- AP Biology Practice Test 8: Growth & Homeostasis pdf download
- AP Biology Practice Test 9: Temporal Regulation & Coordination pdf download
- AP Biology Practice Test 10: Heritable Information pdf download
- AP Biology Practice Test 11: Expression of Genetic Information pdf download
- AP Biology Practice Test 12: Genetic Variation pdf download
- AP Biology Practice Test 13: Cell Communication pdf download
- AP Biology Practice Test 14: Transmission of Information pdf download
- AP Biology Practice Test 15: Interactions Lead to Complex Properties pdf download
- AP Biology Practice Test 16: Competition & Cooperation pdf download
- AP Biology Practice Test 17: Diversity Within Biological Systems pdf download
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