Select the most appropriate option that can substitute the highlighted segment in the given sentence.
A gust of wind came abruptly and our sand castle toppled.

Correct option is A

The correct synonym of the given word is (a) tumbled down.
Given word – Toppled:
"Toppled" means to fall over suddenly, especially due to a loss of balance or support. It is often used to describe objects like towers, structures, or even regimes falling down.
(Hindi meaning: गिर जाना, अचानक ढह जाना)
Example: The statue toppled during the earthquake.
Correct answer word – Tumbled down:
"Tumbled down" means to fall and roll downward in an uncontrolled or awkward way, which perfectly matches the image of a sandcastle collapsing after a gust of wind.
(Hindi meaning: ढह जाना, नीचे गिर जाना)
Example: The old wall tumbled down after the heavy rains.
Synonyms:
topple, tumble down, collapse, fall over, overturn
Antonyms:
stand, rise, remain stable, support
Meanings of all the other given options:
· (b) ran after – To chase or pursue something or someone. (पीछा करना)
· (c) turned up – To appear or arrive. (उपस्थित होना, आ जाना)
· (d) blew out – To extinguish a flame or light. (बुझा देना)
These do not convey the idea of something falling over, hence are incorrect. The best substitute for “toppled” in this context is “tumbled down.”