The long, technical lecture had a ______ effect on the audience, many of whom struggled to keep their eyes open.
✓ Correct Answer: Option B
"Soporific" means tending to induce drowsiness or sleep. The context of people struggling to keep their eyes open directly indicates a sleep-inducing effect.
📚 About This GRE Exam Prep Practice Question
This 2-level GRE Exam Prep question from the Vocabulary topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.
How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free GRE Exam Prep practice test or use flashcards for spaced repetition review.