Fill in the blank with the correct option from the ones given below:-
The scientist proposed _________ theory that challenged everything we knew.
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → a groundbreaking
Complete sentence: The scientist proposed a groundbreaking theory that challenged everything we knew. A theory that challenged everything we knew broke new ground, so it was a groundbreaking theory. "A" is used because "groundbreaking" begins with a consonant sound.
| Word | Meaning | Example |
|---|---|---|
| (1) an uppity | behaving as if one is more important than one really is (it is used of people and their manners, not of a theory) | The uppity clerk refused to answer our questions. |
| (2) an upright | standing straight or honest (it does not describe a new and challenging idea) | He is an upright officer who never takes a bribe. |
| (3) an uproarious | very noisy or extremely funny (it does not fit a scientific theory) | The comedian's jokes drew uproarious laughter. |
| (4) a groundbreaking (answer) | new and pioneering, opening a new path in a field of knowledge | Her groundbreaking research changed the treatment of malaria. |
| Also asked in CUET (UG): uproarious – 18-06-2023 Slot 1 |