What stops even the most well-prepared students from achieving their potential in the Medical College Admission Test (MCAT) often isn’t having sufficient knowledge of the course material, but rather a lack of familiarity with the exam itself. The exam is actually divided into four sections that assess different skills that are needed for success in medical school, namely, scientific knowledge, critical thinking, reading comprehension, and reasoning skills. Thankfully, you know what to expect in advance, seeing as the four sections appear in a set order. You’ll find Chemical and Physical Foundations of Biological Systems, Critical Analysis and Reasoning Skills (CARS), Biological and Biochemical Foundations of Living Systems, and Psychological, Social, and Biological Foundations of Behavior featured as dedicated sections. Let’s take a look at each of these sections to get your preparations off on the optimal path! For personalized guidance as you prepare for the medical path, working with a medschool tutor can help you strengthen both your subject knowledge and exam strategy.
| Section Name | Content Covered | Number of Questions | Time Limit |
|---|---|---|---|
| Chemical and Physical Foundations of Biological Systems | General Chemistry, Organic Chemistry, Physics, Biochemistry | 59 | 95 minutes |
| Critical Analysis and Reasoning Skills (CARS) | Reading Comprehension, Reasoning, Analysis (Humanities/Social Sciences) | 53 | 90 minutes |
| Biological and Biochemical Foundations of Living Systems | Biology, Biochemistry, Cellular Processes, Organic Chemistry | 59 | 95 minutes |
| Psychological, Social, and Biological Foundations of Behavior | Psychology, Sociology, Biological Bases of Behavior | 59 | 95 minutes |
MCAT Sections Breakdown
From the moment you begin, you’ll be approximately 7.5 hours working through the test, with some scheduled breaks slotted in throughout. While this might sound like one of the more intimidating obstacles you’ll have encountered in your academic career, when you consider that each section will assess different skills and come with those much-needed breaks, it becomes a whole lot more manageable all of a sudden. Each of the sections that you’ll encounter as you progress through the exam is scored separately on a scale from 118 to 132. If you’re comfortable with numbers, you’ll have already worked out that that leaves you with a possible score ranging between 472 and 528.
Section 1
Chemical and Physical Foundations of Biological Systems
Starts the exam with chemistry and physics applied to biology.
Section 2
Critical Analysis and Reasoning Skills (CARS)
The only non-science section; tests reading comprehension and reasoning.
Section 3
Biological and Biochemical Foundations of Living Systems
Focuses on biology, biochemistry, and organic chemistry.
Section 4
Psychological, Social, and Biological Foundations of Behavior
Ends the exam with psychology, sociology, and their biological links.
Seeing as each of the sections carries equal weight, there’s simply no getting around knowing the entirety of the examinable material in depth. So, if you were banking on relying on one particular subject area, you can throw that approach to the side. The MCAT is also a passage-based exam. So, this essentially means that even in the science sections that you come across, there will be passages to interpret and combine with your knowledge when giving an answer. Understanding the exam content is an important first step before applying effective MCAT study methods to your preparation.
Okay, so when the big day eventually arrives, and you sit down to begin your exam, the first section that you’ll be greeted with is Chemical and Physical Foundations of Biological Systems. This portion of the exam essentially tests your understanding of chemistry and physics. Only it goes one step further and actually looks at how capable you are of applying these concepts to biological systems. So, where exactly does the examinable material in this section come from? Well, no matter how the exam looks, you can rest assured that the section will comprise general chemistry, organic chemistry, physics, biology, and biochemistry. So, what are the sections of the MCAT?
📚 Content Areas
- Chemistry & Physics: General, Organic, and Physical Chemistry; Physics principles applied to biology.
- Biology & Biochemistry: Cellular processes, metabolism, genetics, and biochemistry mechanisms.
- Psychology & Sociology: Theories of behavior, social structures, and their biological underpinnings.
- Reading Comprehension: Analysis of complex texts from humanities and social sciences.
✍️ Skills Tested
- Scientific Inquiry: Applying concepts to novel scenarios and solving problems.
- Reasoning: Evaluating hypotheses, interpreting data, and drawing conclusions.
- Reading Analysis: Identifying main ideas, inferences, and author tone without prior knowledge.
- Integration: Connecting concepts across disciplines (e.g., chemistry in a biological context).
Students tend to appreciate knowing exactly what can be assessed, but tend to find how they are assessed to be the challenging part. This is because there is a requirement to connect scientific principles across topics, as opposed to them being assessed in isolation. This means that you’re really going to need to know your stuff when it comes to general chemistry and physics if you want to make it out of the exam with a high score! Before scheduling your test, familiarize yourself with the MCAT application process so you can coordinate your exam date with your preparation timeline.
Chemical and Physical Foundations of Biological Systems
Other facets of this section that you’ll want to practice in advance are the experimental setup, data table, graph, or research passages that tend to pop up. With each of these, you’ll be asked to interpret the results in front of you. While the data you’ll be presented with will be entirely new, the sort of questions that are typically asked become familiar with practice.
Your ability to apply chemistry and physics concepts to biological systems, interpret scientific information, and solve problems using quantitative reasoning.
General chemistry, organic chemistry, physics, biology, and biochemistry, including chemical reactions, energy, fluids, and biological processes.
Review core science concepts before practicing passage-based questions. Focus on applying formulas and scientific principles to unfamiliar biological scenarios, then use practice questions to identify and address weak areas.
Remember, this is the first section of the exam, and it’s going to be a marathon rather than a sprint. You’ll want to set yourself up nicely by employing a strategy that makes sure that you’re not leaving any easy marks on the table. To ensure this, you’ll want to ensure that you’re quickly identifying relevant information, and managing your time can be just as important as knowing the underlying science. Understanding the MCAT exam fees can help you budget for registration as well as preparation and rescheduling expenses.
In the Chemical and Physical Foundations of Biological Systems section, you've got 95 minutes to work through 59 questions.
Critical Analysis and Reasoning Skills (CARS)
Your ability to comprehend, analyze, and evaluate arguments presented in complex passages without relying on outside knowledge.
Passages covering the humanities and social sciences, including philosophy, literature, cultural studies, and ethics.
Practice CARS passages regularly and focus on identifying the author’s main argument, understanding the role of supporting evidence, and making logical inferences. Prioritize accuracy before gradually increasing your speed.
The next section that you’ll be faced with tackling as you progress through your MCAT exam is the Critical Analysis and Reasoning Skills, or CARS. This one stands out from the pack seeing as it doesn’t actually require specific scientific knowledge. It weighs more heavily on the candidate’s ability to comprehend, analyze, and evaluate complex written arguments.
The subjects that surface include the likes of the humanities, social sciences, philosophy, literature, and cultural studies, and actually don’t require any prior knowledge.
Instead, you can expect to be asked to identify the main idea of a passage in front of you.
You’ll need to be able to extract the arguments made by the author, determine what can reasonably be inferred, or evaluate how a new piece of information would affect the author’s position.
Don’t let the lack of necessity for prior knowledge fool you. This section is another beast in its own right and requires ample preparation if you’re going to walk out of the exam with a high grade. The difference is that the preparation will be practicing with any sample passages you can get your hands on, identifying the arguments, and becoming more comfortable analyzing under exam conditions. Exploring online MCAT prep options can help you find resources that cover the different subjects and skills tested on the exam.
In the Critical Analysis and Reasoning Skills (CARS) section, you've got 90 minutes to work through 53 questions.
Biological and Biochemical Foundations of Living Systems
Moving on to the next section that you’ll face in your exam, Biological and Biochemical Foundations of Living Systems. If your strengths lie in biology and biochemistry, then this is going to be your time to shine. This section focuses heavily on these topics and examines your understanding of the processes that allow living organisms to function. If it’s not your favorite section, you’ll still need to put the work in, seeing as we mentioned how each section carries equal marks.
Your understanding of biological and biochemical processes and your ability to connect concepts to explain how living systems function.
Biology, biochemistry, and related sciences, including proteins, enzymes, carbohydrates, lipids, nucleic acids, metabolism, cells, tissues, and physiological systems.
Build a strong understanding of core biological and biochemical processes before practicing passage-based questions. Pay particular attention to how different concepts interact and use experiments, graphs, and data to reinforce your understanding.
There’s no room for error! However, one could easily be motivated to succeed, seeing as it’s a section that’s extremely relevant to future medical students since its concepts relate directly to cells, tissues, organs, and physiological systems. So, not only will the hours that you spend grinding serve to improve your grade, but it’ll also serve for an easier transition into medical school thereafter.
In the Biological and Biochemical Foundations of Living Systems section, you've got 95 minutes to work through 59 questions.
As you progress through these questions, you’ll be put to the test when it comes to how well you are able to connect the concepts you’ll have covered. On top of that, expect there to be experiments to interpret, as well as some graphs and tables to analyze. Understanding topics like proteins, enzymes, carbohydrates, lipids, nucleic acids, metabolic pathways, and energy production will ensure that you’re well-equipped to answer even the unfamiliar questions that appear. However, drilling those sample papers will ensure that this scenario is kept to a minimum!
Psychological, Social, and Biological Foundations of Behavior
Your ability to understand how psychological, social, and biological factors influence behavior, health, and human development.
Introductory psychology, sociology, and biology, including behavior, social processes, mental health, human development, and biological influences on behavior.
Learn key psychology and sociology concepts before applying them to research-based passages. Practice interpreting studies and data while focusing on how biological, psychological, and social factors interact.
As you approach the final section of the exam, it’s important that you don’t get complacent. In order to get a strong grade in the test, there’s no getting around a solid performance across all four sections. This section of the MCAT test is by no means a walk in the park either, as it’s going to examine your understanding of psychology and sociology and how biological, psychological, and social factors influence human behavior and health. Learning about the MCAT scoring range can help you understand how performance across the different sections contributes to your overall result.
In terms of the concepts that you’re going to become well accustomed to seeing throughout your study, you’ve got introductory psychology and sociology, along with biology.
Again, the MCAT is purposely built with medical school and, more importantly, with medical professions in mind.
So, by setting aside the time and resources to perform in this section, you’ll actually be doing your future self more justice than you might have considered.
Once you understand the sections on the MCAT, creating a targeted study strategy can help you allocate more time to the sections and subjects that require the most preparation.
That’s because it connects psychological and social concepts to biological systems and real-world health situations! On top of the extensive material you’ll need to understand, the trend from the previous sections continues into this one, with an emphasis on research and data interpretation. What this means for students like yourself inside the exam is, you’re pretty much guaranteed to be asked to analyze the design of a study, interpret its findings, or identify factors that could influence its results. See how this prepares you for what lies ahead of you in the professional world?
In the Psychological, Social, and Biological Foundations of Behavior section, you've got 95 minutes to work through 59 questions.
Understanding the MCAT’s Four Sections
By now, you’re going to be well-equipped with all of the information surrounding how the test is made up and what each of the four sections involves. From what we’ve seen, it’s quite apparent that memorization alone isn’t going to cut it. When you put the CARS section aside, which is mostly reading comprehension, what we’re left with is the majority of the test that requires passage analysis, data interpretation, and problem-solving.
After having looked through the lens which each section adopts and what skills and content are assessed at each part, you’re going to be able to ensure that your study efforts are well informed and that you’re on the optimal path to reach your potential in the exam. It’s important that you know exactly what you’re going to be doing from the moment you begin the exam. This way, you can avoid wasting any precious time and ensure that you won’t be thrown off by anything on the day. That’s why you should remember the order that you’ll be going about tackling these sections. You’ll begin with Chemical and Physical Foundations, move into CARS, then make your way through Biological and Biochemical Foundations before wrapping things up with Psychological, Social, and Biological Foundations of Behavior. Armed with a vivid insight of what comprises the test and a strategy as to how you’re going to tackle the test, you’re in a much better position to succeed in the exam than you were when you began reading. Best of luck!
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