CompetitivePractice + Mock

MCAT — Biological Sciences

Medical College Admission Test — Bio/Biochem section

95
Minutes
20
Questions
16,210
Learners
Avg 127
Pass mark
★ Start here · Official guidance

From practice to the real exam

Verified sources
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
Heads up: Links open in a new tab and go to government / awarding-body sites. AceMark is not affiliated — always verify deadlines and fees on the official page.
Exam blueprint

What this exam covers

5 topics · 20 questions in the bank
Topic weights below mirror the real exam blueprint. To practise any single topic, use the Your study path panel on the right.
01Cell biology
20%4 questions
02Genetics
20%4 questions
03Biochemistry
20%4 questions
04Physiology
20%4 questions
05Molecular biology
20%4 questions
The experience

What to expect on test day

Timed simulation
Every mock runs under real exam time pressure. No pauses, no hints — exactly like the day.
Randomised questions
Every attempt draws fresh questions. You cannot memorise your way to a pass — you have to understand.
Integrity monitoring
Tab switches are logged in mock mode. Three switches auto-submits — same discipline as a real proctor.
Detailed results
Topic-by-topic breakdown, every answer explained, and a personalised 5-day study plan when you finish.
How to prepare

Competitive study playbook

Four habits that move the needle most — pulled from how high-scorers actually study.

01
Spend the first week entirely on your weakest topic — momentum follows confidence.
02
Previous-year papers are the single highest-ROI study tool. Treat them as gospel.
03
Strict time per question. Most failures are time-management failures, not knowledge failures.
04
For GS: daily current affairs reading is non-negotiable — even 15 minutes compounds.