Correct option is A
The correct synonym of the given word is (a) Replicates.
Reproduce: To make a copy of something or to generate offspring. (Hindi: पुनःउत्पन्न करना)
Example: Cells reproduce by dividing themselves.
Replicates: To make a copy or duplicate of something. (Hindi: नकलकरना / पुनरुत्पादन करना)
Example: The virus replicates itself rapidly within the body.
Synonyms: duplicate, copy, clone, mirror
Antonyms: deviate, differ, originate, destroy
Meanings of all the other given options:
· (b) Reaction: A chemical or emotional response. (Hindi: प्रतिक्रिया)
· (c) Proved: Shown to be true. (Hindi: साबित किया)
· (d) Researches: Investigations. (Hindi: अनुसंधान)