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When I approached a few of our top MCAT tutors to help with this guide, many of them pointed to a common issue students face: they walk into MCAT prep with the wrong understanding of the exam itself.
They treat it like their college finals, like a huge memorization test. That's often their first, and most costly, mistake. The MCAT tests not only what you know, but also how well you can apply that knowledge to unfamiliar situations, analyze complex information quickly, and reason through challenging questions.
Below, I break down why students struggle on the MCAT, the types of questions that cause the most problems, and the strategies that consistently help students improve their scores.
The MCAT is very challenging. You’re required to have comprehensive science knowledge, reasoning skills, and critical thinking skills. You’re also writing within a 7.5-hour testing window.
The exam tests across four sections:
You need a strong foundation in the concepts each section tests and to be able to analyze, connect, and apply your knowledge under strict time pressure.
The MCAT is longer and more content-heavy than most graduate admissions tests, but each exam measures something different:
The MCAT is hard for different reasons depending on what you studied, when you took your prerequisite courses, and how much time you can realistically devote to prep. Here’s what that can look like for applicants from different academic backgrounds:
Being a science major gives you a head start on the content, but that doesn’t necessarily mean it’ll be an easy test for you.
In our webinar, Dr. Bima Hasjim, an Inspira Advantage counselor and former UC Irvine School of Medicine admissions officer, explains that while college science exams reward you for knowing the material you were taught, the MCAT is more likely to give you an unfamiliar experiment or passage and ask you to work out what’s happening using concepts you already know.
“The real challenge of what makes the MCAT such a beast of a test is the fact that you have to synthesize that new information on the fly.”
That distinction often catches strong science students off guard. You may know biochemistry extremely well, for example, but still lose points if you struggle to pull the right information from an unfamiliar passage quickly. Your major can still leave you with knowledge gaps, so don’t spend all of your prep rereading notes and memorizing facts you already know.
Spend plenty of time doing passage-based questions and practicing how to apply those concepts in unfamiliar situations.
Humanities students often come in with strong reading and argument-analysis skills that can help on CARS. The bigger issue is making sure you’ve actually taken the science courses the MCAT assumes you know.
As one of our experts that I spoke to shared, you’re setting yourself up for failure or disappointment if you take the MCAT before you finish your core science prerequisites, specifically biochemistry and physics.
You can technically teach yourself a lot of MCAT content, but taking the prerequisites first gives you much more time to work through difficult concepts before you have to answer questions on them under time pressure.
So if you are an English, history, sociology, or other humanities major, your background isn’t a disadvantage. You just need to be realistic about where your gaps are. Take the core sciences first; then give yourself enough time to review them and practice applying that knowledge to MCAT-style passages.
For non-traditional applicants, the MCAT can be difficult for a completely different reason: You may simply be out of practice. If it’s been several years since you took organic chemistry, physics, or biochemistry, you may recognize the material without being able to recall it quickly enough to use it on a timed exam.
You’ll need a much more substantial refresher before taking the MCAT. Time is usually the other major issue. A traditional student might be able to dedicate an entire summer to MCAT prep. A non-traditional applicant may be fitting study sessions around a full-time job, graduate program, or family responsibilities.
That likely means you’ll need to give yourself more time to study, and maintaining focus and dedication for over five to six months can be challenging. The most important thing is consistency. Even on busy days, regularly doing practice questions keeps both your content knowledge and test-taking skills active.
Whether it's 20 questions or 40 questions, if you’re doing questions and actively testing your knowledge and your testing ability, that's the best you can do.
The MCAT tests biology, chemistry, physics, psychology, and sociology, but those subjects don’t stay neatly separated. Questions often combine concepts from more than one area.
For example, a Bio/Biochem question might ask you to use a chemistry principle to explain what’s happening in a physiological process. That’s why studying each subject on its own isn’t enough. You also need to practice connecting ideas across subjects.
The MCAT doesn’t reward students who can recite facts; it rewards students who can use facts to solve problems they've never seen before. Questions present unfamiliar experimental scenarios, complex data sets, or challenging arguments and ask you to reason through them in real time.
The MCAT runs over seven hours. It’s as much an endurance test as a knowledge test. If you start falling behind in any section, it’s very hard to recover.
Spending two more minutes on a hard question means you have to rush on other questions, which is bound to lead to mistakes. Effective time management is a skill you need to practice and perfect throughout your prep.
Medical and scientific vocabulary on the MCAT goes well beyond what most students encounter in introductory courses. You'll see terms like "allosteric regulation," "social facilitation," and "LeChâtelier's principle" in passage-based questions where the context of the situation changes how you apply them.
Knowing what a term means in a textbook definition isn’t enough. The MCAT might describe an unfamiliar enzyme and ask you to predict its behavior based on properties you've never seen paired together before. You need to have a strong enough understanding of the concept to use it in situations your coursework never covered.
Your MCAT score is one of the most important parts of your application, which is why test anxiety can become a huge problem. Even if you feel prepared and confident, anxiety on test day makes it harder to think clearly, pace yourself properly, and think through hard questions.
The best way to make test day feel less overwhelming is to make it feel familiar. Take multiple full-length exams under the real test conditions, build your study plan around your weaknesses, and practice enough that there are no surprise questions on test day.
Our private MCAT lessons pair you with top-scoring tutors who create a study plan around your strengths, weak spots, and target score. We also guarantee a score of 515 or higher, so you can go into test day with a clear plan and more confidence in your preparation.
Here are the types of questions that trip up the most test-takers in each section, with a real example, the correct answer, and what makes it difficult.
The Bio/Biochem questions that students struggle with the most ask you to explain why researchers made a specific decision in an experiment. You might be asked why they chose a particular concentration, control group, or measurement technique. And you won't find the answer in your biology notes. You need to read the experimental setup, interpret the data, and reason backward to figure out what drove the researchers' choices.
That's a fundamentally different skill from memorizing pathways or enzyme names. And it's where most test-takers lose points in this section.
1. The researchers chose a concentration of 0.3 mM IAA as the working concentration for any additional studies instead of 1 mM or 2 mM. What is the likely reason for this?
A) The lower concentration of IAA gave the largest Na+ response.
B) Higher concentrations induced significant cytotoxicity.
C) The solubility of IAA was not high enough.
D) The researchers were trying to mimic control conditions as closely as possible.
The Chemical and Physical Foundations questions students tend to struggle with most often involve interpreting a chart, spectrum, or set of lab results and figuring out what the data actually means. For example, you might be shown an IR spectrum and asked which functional group formed based on a new peak.
There usually isn’t a formula you can plug numbers into and get the answer. Instead, you need to read the data, recognize what it’s showing, and connect it back to the right chemistry or physics concept.
1. The progress of Reaction 2 can be monitored by observing what change to the IR spectrum of the product mixture?
A) Appearance of a broad peak at 3400 cm–1
B) Disappearance of a broad peak at 3400 cm–1
C) Appearance of a sharp peak at 1700–1750 cm–1
D) Disappearance of a sharp peak at 1700–1750 cm–1
The Psych/Soc questions that trap the most test-takers list four answer choices that all sound interchangeable. A question might ask about a threat to social identity, and every option involves someone feeling negatively about themselves because of a disorder. The differences come down to precise definitions.
A personal identity threat means something happened directly to you that changed how you see yourself. A social identity threat means you learned something negative about a group you belong to, and that changed how you feel about your membership in it. The key tell is whether the trigger is a personal experience or information about the group as a whole.
On the surface, those feel identical. On the MCAT, mixing them up costs you a point.
1. Which statement best represents a threat to social identity? A young woman with a rare disorder:
A) believes that others treat her as less capable, and then she starts to see herself as deficient.
B) becomes discouraged when she hears that others with rare disorders are treated as less capable.
C) hides her disorder from others in order to project more confidence in social situations.
D) reveals her disorder to friends, who mistakenly assume that it is a social limitation.
The CARS questions that students find the most challenging describe a scenario the passage never mentions and ask what the author would most likely argue. You can't scan for a keyword or point to a supporting line. You need to identify the principle driving the author's argument and apply it to a new situation, all within about 10 minutes per passage and question set.
Dr. Aryaman Gupta, an Inspira Advantage counselor and interventional radiology resident who graduated from Johns Hopkins School of Medicine, walks you through exactly how to break down dense CARS passages and identify testable sentences before you even look at the questions in this workshop:
The Wealth of Nations (1776) popularized “the invisible hand,” the idea that an individual who intends only personal gain is, as it were, led by an invisible hand to promote the public interest. Adam Smith did not assert that this principle was invariably true, but it contributed to a tendency of thought that has since remained dominant, preventing action based on rational analysis: the assumption that decisions reached individually will collectively be the best decisions for society as a whole. If this assumption is correct, it justifies the continuance of the U.S. policy of laissez-faire in many issues affecting business, the environment, and the family. If it is not correct, U.S. citizens need to re-examine their individual freedoms to see which are defensible.
The rebuttal to the invisible hand theory could be called “the tragedy of the commons.” Picture a pasture open to all. It can be expected that each herder will try to keep as many cattle as possible on this commons. Such an arrangement may work reasonably well for centuries because tribal wars, poaching, and disease keep the numbers of both human and beast far below the carrying capacity of the land. Finally, however, comes the day of reckoning–that is, the day on which the long-desired goal of social stability becomes a reality. At this point, the inherent logic of the commons remorselessly generates tragedy.
As a rational being, each herder seeks to maximize personal gain. More or less consciously, the individual asks, “What is the utility to me of adding one more animal to my herd?” Since the herder would receive all the proceeds from the sale of the additional animal, the positive component of this utility is nearly +1. The negative component is a function of the overgrazing caused by an additional animal. Since the effects of overgrazing are shared by all the herders, the negative utility for any particular decision-maker is some fraction of -1.
Adding the component utilities, the rational herder concludes that the only sensible course is to add another animal to his or her herd—and another, and another... This conclusion is reached by every rational herder who shares the commons. All are locked into a system that compels each to increase his or her gain without limit in a world that is limited. Ruin is the destination toward which all rush, each pursuing the right to use a public resource. The problem is that a commons, if justifiable at all, is justifiable only under conditions of low population density. As the human population has increased, the commons concept has had to be abandoned in one aspect after another.
The social arrangements that would produce responsibility in this scenario create coercion. The only kind of coercion I recommend is mutual coercion, agreed to by a majority of those affected. Compulsory taxes are acceptable because a system of voluntary contributions would favor the conscienceless. A society institutes and (grumblingly) supports taxes and other coercive devices to escape the horror of the commons.
Every new enclosure of the commons involves the infringement of somebody’s personal freedom. But what does “freedom” mean? Those subject to the logic of the commons are free only to bring on universal ruin. Once they acknowledge the logic of mutual coercion, they become free to pursue other goals. We must now recognize the necessity of abandoning the commons assumption in our reproduction. Failure to do so will bring ruin on us all.
Material used in this test passage has been adapted from the following source:
G. Hardin, The tragedy of the commons. ©1968 by American Association for the Advancement of Science.
1. According to the passage, the decisive factor in determining whether someone’s actions should be subject to coercion is whether the actions:
A) are determined solely by self-interest.
B) affect collectively held resources.
C) degrade the natural environment.
D) are commonly considered immoral.
When I spoke with our MCAT tutors, the same mistakes kept coming up. Most weren’t caused by a lack of content knowledge, but by how students approached the questions:
Aggressive rounding saves you time on calculation-heavy questions so you can spend it where it actually matters: on the reasoning the question is testing.
In our MCAT Workshop, Dr. Jason Gomez, an admissions expert at Inspira Advantage who earned his MD and MBA from Stanford University, urges students to stop doing precise calculations on the MCAT.
"Rounding is still one of the most underused MCAT hacks," Dr. Gomez says. "You can absolutely round aggressively on most questions because it's testing your reasoning and not necessarily your calculator skills."
The exam tests your reasoning, not your arithmetic. When a question asks "which of the following is closest to," that's your signal to estimate, not calculate. Round constants to whole numbers, simplify fractions. And pick the answer closest to your ballpark figure.
For example, if a question involves multiplying 9.8 by 3.2, round to 10 times 3 and choose the answer nearest to 30. The MCAT is designed around clean numbers, so aggressive rounding almost always gets you to the right answer choice faster than precise math.
Train your brain to recognize what type of question you're looking at before you start solving it.
"High scorers immediately recognize which category a question falls into, and that dictates the strategy they take," Dr. Gomez says.
Every MCAT question falls into one of three categories: passage-dependent (the answer is in the passage), knowledge-dependent (the answer is in your head), or a hybrid.
If the question references specific data, an experiment, or a figure from the passage, always start there. If you’re asked to apply a general principle or definition with no reference to the passage, you have to pull from your own knowledge. If the question asks you to interpret passage data using an outside concept, you need to do both.
Learning these patterns also helps you "see the question behind the question," as Dr. Gomez puts it. For example, a Bio/Biochem question might describe a complex experimental procedure to try to trip you up when the actual question is only testing whether you know how enzyme inhibition works.
Once you know how to identify what the test writers are actually trying to ask, you stop getting caught up in distracting details and can get right to the principle being tested.
You don't need to master every detail in every subject.
"80% of chemistry and physics questions pull from around 20% of topics, so focus on foundational topics like kinematics, electrochemistry, and thermodynamics," Dr. Gomez says.
Apply the 80/20 rule to your study plan. Identify which high-yield topics appear most frequently on practice exams. Build your foundation there before going into any lower-yield material.
That typically means prioritizing these topics:
If you can master these high-yield topics, lower-yield material becomes much easier because you have a strong framework to build off of.
Our MCAT Bites playlist breaks down essential MCAT concepts across 193 short videos so you can review high-yield topics quickly and reinforce the foundations that show up most on test day.
Treat every question like a time investment. Your goal is to maximize the points per minute you're getting on this exam. You have roughly 90 seconds per question. If a question is eating into that time and you're not close to an answer, flag it and move on.
Complete the easier questions first, get those points, and come back to the time-consuming ones with whatever time remains. Students who grind through tough questions in order lose points on easier questions they never reach. Skipping questions can actually protect your score because you get to actually see and try each question before you run out of time.
Thinking like a scientist makes the MCAT easier because it changes how you interact with every question. Instead of trying to pull the "right" fact out of your memory, you look at evidence in front of you, eliminate possibilities, and work toward an answer the same way you would in a lab.
In our webinar on MCAT Secrets, Benjamin Popokh, a medical student at UT Southwestern and admissions counselor at Inspira Advantage, says the biggest mindset shift you can make is moving from memorization mode to application mode.
"The MCAT isn't just about memorizing formulas,” he says. “It's really about thinking like a scientist. Every question is a puzzle to test how you apply concepts in novel situations.”
When you review a practice question, don't just check whether you got it right. Ask yourself deeper questions. What mistake would lead someone to pick option A? What misunderstanding makes option C look appealing?
By doing that, you can learn how the exam works and how test-makers try to trick students. Once you start seeing the patterns in how wrong answers are constructed, you stop falling for them. And questions that once felt impossibly tricky become more predictable.
Getting a 510 on the MCAT is challenging. This score is around the 79th percentile, meaning you scored higher than roughly 4 out of 5 test-takers. Reaching that score usually takes a few months of consistent prep.
A good MCAT score depends on your target schools, but 512 is a strong benchmark because it’s right around the level of successful medical school matriculants. The average MCAT score for matriculants was 512.1 in 2025. The most selective schools require much higher scores, though; you should aim closer to 520 to match their class medians.
The MCAT has 230 questions. Chem/Phys, Bio/Biochem, and Psych/Soc each have 59 questions, while CARS has 53.
You should study around 300 to 500 hours for the MCAT, spread across three to six months. Your actual timeline should depend on how far off your diagnostic score is from your target score. The larger your gap, the more hours you should study.
Yes, self-studying for the MCAT can work well if you can stick to a schedule, take regular full-length exams, and actually thoroughly review and analyze the questions you got wrong instead of just moving on to more practice.
While it depends on each student, CARS is often one of the hardest sections because there isn’t much content to memorize. You can only improve your score through practice and by getting better at reading dense passages, following arguments, and eliminating unsupported answers. Many students find it the hardest section to significantly improve their score in.
We’ll send you a 100+ page MCAT practice test created by one of our expert 99th percentile tutors. No strings attached.
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