Healthcare

MCAT — Biological Sciences

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MCAT — Biological Sciences

Medical College Admission Test — Bio/Biochem section

20-question mock30 minAvg 127 pass markUnited States

Single questions with instant feedback — no timer, learn as you go.

See official guidance ↓
Start here · Official guidance

From practice to the real exam

01
Create an AAMC account
Register on AAMC. MCAT is offered ~30 dates per year, January–September.
02
Use AAMC Official Prep
AAMC sells the gold-standard practice question bank, section banks, and full-length practice tests.
03
Take a diagnostic
AAMC Free Practice Test (FL Sample) gives a realistic baseline before deeper prep.
04
Register for a sitting
USD ~340 standard fee. Fee Assistance Program (FAP) reduces the cost significantly for eligible applicants.
05
Sit the MCAT
7h30m total exam day. Bio/Biochem section is 95 minutes, 59 questions. Score per section 118–132 (total 472–528).
Official resources
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Exam blueprint

What this exam covers

5 topics · drawn across your practice and mock
01Cell biology
20%4 questions
02Genetics
20%4 questions
03Biochemistry
20%4 questions
04Physiology
20%4 questions
05Molecular biology
20%4 questions
Your study path
Master this exam, topic by topic
Drill one topic at a time. After each session you'll see where you went wrong and can retake until you've got it.
Questions per session
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Frequently asked questions

Is the MCAT — Biological Sciences practice test free?

Yes. The core MCAT — Biological Sciences practice on AceMark is free to start — no credit card needed. Sign in (takes 10 seconds) if you'd like to track your progress, save attempts, and unlock the Mentor. Otherwise, browse and explore questions without an account.

How many questions are in the MCAT — Biological Sciences quiz?

Each MCAT — Biological Sciences attempt draws 20 questions and runs for about 95 minutes under realistic timed conditions.

Can I retake the MCAT — Biological Sciences test, and are the questions randomised?

Yes. Every attempt pulls a fresh, randomised set of questions, so you can't memorise your way through — you retake it until you genuinely know the material.

What score do I need to pass the MCAT — Biological Sciences?

The pass mark used in this simulation is Avg 127. AceMark scores every attempt instantly and shows which topics to review.