Select the most appropriate synonym of the given word.
Serene

Correct option is B

The correct synonym of the given word is (b) Peaceful.
• Given word – Serene:
Serene means calm, peaceful, untroubled, or tranquil.
(Hindi meaning: शांत / निर्मल)
Example:
The view of the valley at sunrise was incredibly serene and beautiful.
• Correct answer word – Peaceful:
Peaceful means free from disturbance; tranquil, quiet, and calm.
(Hindi meaning: शांतिपूर्ण / शांत)
Example:
They spent a peaceful afternoon reading books by the lake.
• Synonyms of Serene: calm, peaceful, tranquil, placid, quiet.
• Antonyms of Serene: agitated, turbulent, chaotic, stormy.
Meanings of all the other given options:
• Unfamiliar – Not known or recognized (अपरिचित)
• Upright – Vertical, or strictly honorable and honest (सीधा / ईमानदार)
• Precise – Exact, accurate, and careful about details (सटीक / स्पष्ट)
So the correct answer is (b)