Which of the following is a homonym of 'flour'?

Correct option is C

The correct homonym (more precisely, homophone) of flour is (c) flower.
Given word — flour: finely ground grain (especially wheat) used in baking and cooking; pronounced /flaʊə(r)/. (Hindi: आटा/मैदा).
Example: Sift the flour before adding it to the batter.
Correct answer — flower: the blossom of a plant; also pronounced /flaʊə(r)/, making it a homophone of flour. (Hindi: फूल).
Example: The gardenia is a fragrant flower that blooms in summer.
Why others are incorrect:
· (a) Flair — natural talent or style; pronounced /flɛər/ (प्रतिभा, शैली).
· (b) Floor — the lower surface of a room; pronounced /flɔː(r)/ (फ़र्श).
· (d) Fleur — French for “flower”; not standard English usage in this sense (often seen only in phrases like fleur-de-lis) (फ़्रेंच शब्द).