Correct option is B
The correct synonym of the given word is
(b) Maintain.
Conserve: To protect something, especially the environment or natural resources, from harm or destruction; to use carefully to avoid waste.
Conserve (Hindi): संरक्षण करना।
Example: It is our duty to
conserve water for future generations.
Maintain: To keep something in good condition by taking proper care; to preserve.
Example: The government is trying to
maintain the city's historical monuments.
Synonyms: preserve, safeguard,
maintain, sustain.
Antonyms: destroy, neglect, waste, harm.
Meanings of the other given options:
·
Pollute: (Hindi: प्रदूषित करना) To contaminate or make impure, especially the environment.
·
Disrupt: (Hindi: बाधा डालना) To interrupt or cause disorder.
·
Purify: (Hindi: शुद्ध करना) To remove impurities or cleanse something.