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MCAT Practice Test

Duration

45 minutes per subject

Questions

50

Test Instructions:

  • You have 45 minutes per subject to complete the test
  • You can flag questions for review
  • You can navigate between questions freely
  • Make sure to submit your test before time runs out
  • You cannot pause the timer once started
  • Passing score: 70%

1 / 50

DNA replication is:

2 / 50

What is the function of the nephron loop (loop of Henle)?

3 / 50

If pH = 5, the [H⁺] is:

4 / 50

Stereotype threat refers to:

5 / 50

Hemoglobin’s affinity for oxygen decreases in response to:

6 / 50

What type of transport requires ATP?

7 / 50

SN1 reactions proceed through:

8 / 50

Enzymes increase the rate of reaction by:

9 / 50

A nonsynonymous mutation affects:

10 / 50

The tendency to attribute others’ behavior to internal causes is:

11 / 50

Social facilitation increases performance when tasks are:

12 / 50

A buffer is most effective when:

13 / 50

Oxidation is defined as the:

14 / 50

Natural selection acts directly on:

15 / 50

The unit of work is:

16 / 50

What type of bond connects amino acids in a protein?

17 / 50

Which process occurs in the mitochondria?

18 / 50

Force equals:

19 / 50

Working memory is primarily housed in:

20 / 50

Which of the following increases genetic diversity?

21 / 50

Classical conditioning was first described by:

22 / 50

The pH of a 0.01 M HCl solution is approximately:

23 / 50

In a redox reaction, the oxidizing agent:

24 / 50

Which organelle is responsible for protein synthesis?

25 / 50

A catalyst affects a reaction by:

26 / 50

Buoyant force equals:

27 / 50

Which orbital has the highest energy?

28 / 50

Which wave has the highest frequency?

29 / 50

Which gas law describes pressure–volume inversely?

30 / 50

Which structure increases surface area in the small intestine?

31 / 50

Which of the following is a steroid hormone?

32 / 50

Light bends when traveling between media due to:

33 / 50

A role conflict occurs when:

34 / 50

Which immune cells produce antibodies?

35 / 50

Which compound is most acidic?

36 / 50

Where does glycolysis occur?

37 / 50

If voltage = 10 V and current = 2 A, resistance is:

38 / 50

The strongest intermolecular force is:

39 / 50

Which phase of the cell cycle includes DNA replication?

40 / 50

Which type of RNA carries amino acids to ribosomes?

41 / 50

Maslow’s highest stage is:

42 / 50

Which hormone stimulates milk production?

43 / 50

The rate of reaction depends on the concentration of:

44 / 50

The main purpose of an argumentative passage is to:

45 / 50

Which organ filters blood and removes old red blood cells?

46 / 50

A variable that explains the relationship between two others is a:

47 / 50

Kinetic energy formula is:

48 / 50

A strong inference is one that:

49 / 50

A triglyceride is formed from glycerol and:

50 / 50

Insulin is produced by:

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