AP Biology Practice Exams: 826 Original Multiple-Choice Questions Across All 8 Units

Part of the expanding PassProfessor catalog: This program is built — 826 original multiple-choice-style practice questions, organized around the College Board’s published AP Biology framework and independently QC-verified — and it opens for enrollment soon. Join the notify list and we will email you the day it launches.

This program is part of the expanding PassProfessor catalog — join the notify list and we’ll email you when enrollment opens.

PassProfessor’s AP Biology program will give you 826 original practice questions for the multiple-choice half of the real AP Biology exam: Section I, 60 questions in 90 minutes, worth 50% of your score. Every question is written by us, from scratch, to the structure of the College Board’s published course framework — all 8 units, plus stimulus-based sets, quantitative sets, and cross-unit synthesis sets that mirror how the real exam mixes data, experiments, and calculation into its questions. One honest limit, stated up front: a question bank cannot teach you to write free-response answers, and this program does not pretend to. Section II is half your score and is practiced by writing, not by selecting. What this bank does is make the multiple-choice half — and the content and data skills both halves draw on — as strong as practice can make them.

What’s included

826 questions, counted from the delivered bank. The bank holds 826 multiple-choice-style questions, delivered and QC-verified by our college build team. Twelve chapter groups follow the content sequence of the course — from Chemistry of Life through Ecology — and four cross-unit groups (stimulus sets, applied analysis, quantitative analysis, and synthesis) train the mixed, data-first style the real Section I is known for. The full coverage table below is the bank itself, counted label by label.

Built on the published framework — never on released questions. Our questions are original items written to the published AP Biology framework: its 8 units, its topic structure, and its science practices. We do not use College Board Course and Exam Description sample questions, released exam items, recalled questions, or any other provider’s bank — and we do not paraphrase them. The framework tells us what to test and in what proportions; every stem, data set, and answer choice is ours.

Stimulus and quantitative practice, not just recall. The real Section I asks you to read experiments, interpret graphs and tables, and calculate — water potential, Hardy–Weinberg frequencies, chi-square values, growth rates. This bank leans into that: 55 AP-style stimulus-set questions, 91 quantitative-analysis questions, and data-driven items throughout the chapter groups, so calculation and evidence-reading are practiced as skills, not encountered for the first time on exam day.

Unit drills and full Section I simulations. Drill a single unit until a weak area stops costing you, or sit a timed 60-question simulation at Section I’s real length and pace — 60 questions, 90 minutes. Your results break down by unit, so your study time goes where the points are.

An honest boundary on free response. Section II — two long and four short free-response questions — is 50% of your AP score, and no multiple-choice bank can practice it for you. Writing a justified prediction, designing an investigation, and constructing a graph by hand are writing skills. Use this program for the multiple-choice half and for the underlying content, data, and calculation fluency that strong free-response answers also depend on — and practice the writing itself with your teacher and your course materials.

THE PROGRAM IN NUMBERS
826
PRACTICE QUESTIONS
9
EXAM CONTENT AREAS
Each weighted as in the official exam outline

The real exam at a glance

Current as of October 2026, per the College Board’s AP Students AP Biology exam page and the AP Central AP Biology course page (Course and Exam Description updated for 2025–26). Full detail — the 8 units and their weights, scoring, registration, fees, and exam day — is in our AP Biology exam guide.

AP Biology Exam (College Board)
Administered byThe College Board, through schools each May
FormatHybrid digital: multiple-choice completed and free-response viewed in the Bluebook testing app; free-response answers handwritten in paper exam booklets
Total time3 hours
Section I: Multiple Choice60 questions, 90 minutes, 50% of score
Section II: Free Response6 questions (2 long + 4 short), 90 minutes, 50% of score
Course structure8 units (see coverage table below)
Score reportedAP score of 1–5
Exam fee$99 per exam in the U.S., U.S. territories, Canada, and DoDEA schools ($129 outside the U.S.); a $37 College Board fee reduction is available for eligible students — you pay through your school, not to PassProfessor
AP BIOLOGY PRACTICE EXAMS · EXAM AT A GLANCE
The College Board, through schools each May
ADMINISTERED BY
3 hours
TOTAL TIME
60 questions, 90 minutes, 50% of score
SECTION I: MULTIPLE CHOICE
6 questions (2 long + 4 short), 90 minutes, 50% of score
SECTION II: FREE RESPONSE
Format: Hybrid digital: multiple-choice completed and free-response viewed in the Bluebook testing app; free-response answers handwritten in paper exam booklets
Course structure: 8 units (see coverage table below)
Score reported: AP score of 1–5
Exam fee: $99 per exam in the U.S., U.S. territories, Canada, and DoDEA schools ($129 outside the U.S.); a $37 College Board fee reduction is available for eligible students — you pay through your school, not to PassProfessor
  • You register through your school. AP exams are ordered by your school’s AP coordinator — talk to your coordinator early in the school year, because on-time ordering closes in November and late orders carry an added fee.
  • A calculator is permitted on this exam, and College Board reference materials (equations and reference information) are provided for AP Biology. The quantitative work in this bank assumes both.
  • Your 1–5 score is set by the College Board from both sections combined. Colleges and universities each set their own credit and placement policies for AP scores — a 3 is the score many institutions start from, but the policy that matters is your target school’s.

How the practice maps to the real exam

The College Board organizes AP Biology into 8 units and publishes each unit’s weighting on the multiple-choice section. Our bank’s 12 chapter groups map onto those 8 units as shown below, and four additional groups cut across units the way the real exam does. Counts are the delivered bank, counted question by question — 826 in total.

College Board unit (weighting on Section I)Bank chapter groups mapped to itPractice questions
Unit 1: Chemistry of Life (8–11%)Chapter 1: Chemistry of Life (43)43
Unit 2: Cell Structure and Function (10–13%)Chapter 2: Cell Structure and Function (38) + Chapter 3: Membranes, Transport, and Water Potential (46)84
Unit 3: Cellular Energetics (12–16%)Chapter 4: Cellular Energetics (42)42
Unit 4: Cell Communication and Cell Cycle (10–15%)Chapter 5: Cell Communication and Signaling (54) + Chapter 6: Cell Cycle and Its Regulation (47)101
Unit 5: Heredity (8–11%)Chapter 7: Heredity: Meiosis and Mendelian Genetics (51)51
Unit 6: Gene Expression and Regulation (12–16%)Chapter 8: Molecular Genetics (38) + Chapter 9: Gene Expression, Regulation, and Biotechnology (52)90
Unit 7: Natural Selection (13–20%)Chapter 10: Natural Selection and Hardy–Weinberg (45) + Chapter 11: Phylogeny, Speciation, and Evidence for Evolution (44)89
Unit 8: Ecology (10–15%)Chapter 12: Ecology (44)44
Cross-unit practice (all units)AP-Style Stimulus Sets (55) + Applied Analysis Across Units (78) + Quantitative Analysis in Application (91) + Synthesis and Integration (58)282
Total16 bank labels826
WHERE THE EXAM’S WEIGHT SITS
Share of AP Biology Practice Exams exam items by content area, as published in the outline table above — official ranges shown as ranges
Unit 1: Chemistry of Life
8–11%
Unit 2: Cell Structure and Function
10–13%
Unit 3: Cellular Energetics
12–16%
Unit 4: Cell Communication and Cell Cycle
10–15%
Unit 5: Heredity
8–11%
Unit 6: Gene Expression and Regulation
12–16%
Unit 7: Natural Selection
13–20%
Unit 8: Ecology
10–15%
0%Scale: percent of exam items20%
Unit 7: Natural Selection carries the largest share of AP Biology Practice Exams exam items at 13–20%, followed by Unit 3: Cellular Energetics at 12–16%. The lightest areas — Unit 1: Chemistry of Life and Unit 5: Heredity — each carry 8–11%.

Two things to notice in that table. First, the cross-unit block is the largest single block in the bank — 282 of 826 questions — because the real Section I does not respect unit boundaries either: a single stimulus can pair an experiment on enzymes with a Hardy–Weinberg calculation. Second, Unit 7, Natural Selection, carries the heaviest weighting on the real exam (13–20% of Section I), and Units 3 and 6 follow at 12–16% each — the guide explains how to weight your study time accordingly.

How to use it

  1. Join the notify list today. When enrollment opens, start by sitting one timed 60-question simulation under real Section I conditions — 90 minutes, no pausing — to get an honest baseline by unit.
  2. Drill your two weakest units first. Work the chapter groups for those units until the misses stop repeating, then re-check with the cross-unit sets, which is where unit knowledge gets tested in mixed company.
  3. Train the quantitative core deliberately. Water potential, chi-square, Hardy–Weinberg, population growth, and surface-area-to-volume calculations recur across the real exam. The 91-question quantitative group exists so those points become automatic.
  4. Alternate bank practice with free-response writing. For every block of multiple-choice practice, spend a block writing free responses by hand under time — that half of the exam cannot be drilled here, and it is half your score.
  5. Confirm your exam registration with your AP coordinator well before the November ordering deadline, and use the weeks before the May exam for full simulations rather than new content.

Frequently asked questions

How many questions are on the AP Biology exam? The exam has two sections. Section I is 60 multiple-choice questions in 90 minutes and counts for 50% of your score. Section II is 6 free-response questions — 2 long and 4 short — in 90 minutes and counts for the other 50%. The full exam takes 3 hours.

What does the PassProfessor AP Biology program cover? Multiple-choice practice for Section I: 826 original questions organized around the College Board’s published 8-unit framework, including stimulus-based sets, quantitative sets, and cross-unit synthesis sets. It does not — and cannot — practice free-response writing; Section II is answered in handwriting on the real exam and has to be practiced by writing.

Are these actual AP Biology exam questions? No. Every question is written by PassProfessor, from scratch, to the structure of the College Board’s published course framework. We never use released exam questions, Course and Exam Description sample questions, recalled items, or another provider’s bank.

How are AP Biology scores reported? The College Board reports AP scores on a 1–5 scale, combining both sections of the exam. Each college and university sets its own policy for granting credit or placement for AP scores, so check the policies of the schools you are considering.

How much does the AP Biology exam cost? Per the College Board, the fee is $99 per exam at schools in the U.S., U.S. territories, Canada, and DoDEA schools, and $129 at schools outside the U.S. Eligible students can receive a $37 College Board fee reduction per exam. You pay through your school — schools collect the fees and order the exams.

How do I register for the AP Biology exam? Through your school. You join your AP class section, and your school’s AP coordinator orders your exam. On-time ordering closes in November for full-year courses; exams ordered late carry an additional $40 fee per exam, so confirm your registration with your coordinator in the fall.

Is the AP Biology exam digital? It is a hybrid digital exam. Per the College Board, you complete the multiple-choice questions and view the free-response questions in the Bluebook testing app, and you handwrite your free-response answers in paper exam booklets. Practice on Bluebook before exam day so the format is familiar.

Can I use a calculator on the AP Biology exam? Yes. Calculators are permitted on this exam under the College Board’s calculator policy, and reference materials such as equations sheets are provided. Check the College Board’s published calculator policy for the list of approved models.

Which AP Biology units matter most? Per the College Board’s published weightings for the multiple-choice section, Unit 7 (Natural Selection) is weighted heaviest at 13–20%, followed by Unit 3 (Cellular Energetics) and Unit 6 (Gene Expression and Regulation) at 12–16% each. Every unit appears on the exam, so weight your extra time — do not skip a unit.

When can I enroll in the AP Biology program? Soon — the 826-question bank is complete and QC-verified, and the program is in final preparation. Join the notify list on this page and we will email you the day enrollment opens.

Disclaimer

PassProfessor is an independent exam-preparation provider and is not affiliated with, endorsed by, or sponsored by the College Board. AP® is a trademark of the College Board, which does not sponsor or endorse this product. This program is exam preparation only; all practice questions are original, written to the published AP Biology course framework, and are not actual exam questions. Exam facts on this page are current as of October 2026 per the College Board sources cited; College Board publications govern if anything here differs from them.