GRE® Verbal Practice | Text Completion Q7

It is almost imperative that you know the meanings of the words given in the answer choice in order to answer this question. A few GRE text completion questions test your knowledge of meanings of medium to difficult words in the options. Learn the GRE must know words or frequent GRE words from word lists. It will be extremely useful in answering text completion and sentence equivalence questions that focus on one's vocabulary and word power. Try the question without looking at the answer explanation. If you face difficulty in arriving at the correct answer, take help from the detailed explanation provided below.

Question 7: In an effort to _______ the orbits of planets in class, the Professor created a motorized replica of the solar system.

1. confound
2. expound
3. exhort
4. corroborate
5. extenuate

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Explanatory Answer

Meanings for the words given in this question are provided in the table. Before going through the detailed explanation, check whether you are able to arrive at the answer after knowing meanings for the words.

S No.	Word	Meaning
A	Confound	Confuse
B	Expound	Talk about in great detail
C	Exhort	To urge or advise
D	Corroborate	Authenticate or confirm
E	Extenuate	To decrease the effect of something

This is an easy question if the meanings of the answer options are clear.

The professor went to great lengths to create a motorized replica of the solar system. Why did he do that? So that he could explain the solar system to his students more clearly. In order to explain or talk about the solar system, he created the replica.

Choice B is the correct answer.