Choose the one which can be substituted for the given sentence.
An imaginary ideal place of perfection

Correct option is B

The correct one-word for the given group of words is (b) Utopia.
Explanation: Utopia means an imaginary perfect society or place where everything is ideal—socially, politically, and morally; आदर्श/सर्वोत्कृष्ट काल्पनिक स्थान. The term was popularized by Sir Thomas More’s book Utopia.
Example: Many reformers dream of a utopia where justice and equality prevail.
Meanings of the given other options:
· Monarchy: Government by a king/queen; राजतंत्र.
· Fable: A short story, typically with animals, conveying a moral; दंतकथा/नीतिकथा.
· Dystopia: An imagined society full of suffering, oppression, or injustice; दुष्टोपिया/दुःस्वप्न जैसा समाज.