MCAT Practice Test

230 questions150 minutesDetailed explanationsInstant scoring

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About the Real MCAT Exam

The MCAT (Medical College Admission Test) is required for admission to virtually all medical schools in the United States and Canada. It tests your knowledge of natural, behavioral, and social science concepts, as well as your critical analysis and reasoning skills. The MCAT is scored from 472 to 528, and it is one of the most challenging standardized tests in existence.

Our MCAT Practice Test

Our MCAT practice test contains 230 original questions across all four MCAT sections. Questions are written by subject matter experts to match the AAMC's content outline, covering the biological and physical sciences, psychological and social foundations, and critical analysis. Difficulty is calibrated to the real MCAT.

What to Expect

Chemical and Physical Foundations of Biological Systems: General chemistry, organic chemistry, physics, and biochemistry.
Critical Analysis and Reasoning Skills (CARS): Analyze passages from humanities and social sciences.
Biological and Biochemical Foundations of Living Systems: Biology, biochemistry, and organic chemistry.
Psychological, Social, and Biological Foundations of Behavior: Psychology, sociology, and biology.
You receive section scores and an estimated total MCAT score.
Every question includes a detailed scientific explanation.

Try a Sample Question

MCAT — Sample

During the process of glycolysis, a single molecule of glucose is catabolized into two molecules of pyruvate. Assuming standard aerobic conditions and focusing solely on the reactions within glycolysis, what is the net number of ATP molecules produced per molecule of glucose?

A 1

B 2

C 4

D 6

Explanation. The correct answer is 2. Glycolysis is a ten-step metabolic pathway that breaks down glucose into two molecules of pyruvate. In the energy investment phase, you consume two ATP molecules (one for the phosphorylation of glucose and another for the phosphorylation of fructose-6-phosphate). In the energy payoff phase, four ATP molecules are produced via substrate-level phosphorylation (two from 1,3-b

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