PSAT Reading Question 180: Answer and Explanation

Question: 180

Which of the following best summarizes the central idea of this passage?

• A. Paleontologists were able to identify a new species of dinosaur after overcoming a series of obstacles.
• B. Most dinosaur fossils are found in pieces and must be reconstructed using the latest technology.
• C. The first evidence of the Spinosaurus was uncovered by German paleontologist Ernst Stromer.
• D. Fossils of an aquatic dinosaur called the Spinosaurus were first found in Egypt in the early twentieth century.

Correct Answer: A

Explanation:

A

Difficulty: Easy

Category: Global

Getting to the Answer: Look for the answer choice that describes an important idea that is supported throughout the text rather than a specific detail. The passage is mostly about how the mystery of the Spinosaurus fossils was decoded. Choice (A) is the best summary of the central idea of the passage.