Fill in the blank with the correct word from the options given:
Although the theory seemed plausible, it was ultimately _____ by experimental evidence.
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → refuted
Complete sentence: Although the theory seemed plausible, it was ultimately refuted by experimental evidence. "Although the theory seemed plausible" sets up a contrast: the theory looked believable, but evidence proved it false.
| Word | Meaning | Example |
|---|---|---|
| (1) refuted (answer) | to prove that a statement or theory is wrong | The scientist refuted the claim with fresh data. |
| (2) encrusted | covered with a hard layer of something (it is used for objects, not theories) | The crown was encrusted with jewels. |
| (3) regulated | to control by rules (evidence does not regulate a theory, and the word gives no contrast with "plausible") | The sale of medicines is regulated by law. |
| (4) refurbished | to repair and redecorate a building or machine (it does not fit a theory) | The old cinema was refurbished last year. |