PSAT Reading Question 209: Answer and Explanation

Question: 209

Which question can be answered by consulting the diagram?

• A. Why does the brain contain neurons?
• B. Where is a nucleus located in a neuron?
• C. What is the function of a myelin sheath?
• D. How does a neuron interact with other cells?

Correct Answer: B

Explanation:

B. A diagram illustrates what complex things look like and provides information about their parts. It cannot explain exactly what things do. See Lesson: Summarizing Text and Using Text Features.