The term king of flowers is used for

Answer: Option A

The correct answer is A: Rose

Option A: Rose - Roses are widely recognized for their beauty, fragrance, and cultural significance. They're often associated with royalty, love, and admiration. This makes them the popular choice for the title "king of flowers."

Option B: Dahlia - Dahlias are beautiful and come in many colors and forms. They are more popular as "Queen of the Autumn Flower Show" rather than "King of Flowers".

Option C: Orchid - Orchids are exotic and elegant, but they are not commonly referred to as the "king of flowers." They are more associated with rarity and sophistication.

Option D: Carnation - Carnations are popular and long-lasting cut flowers, but, like Dahlias and Orchids they are not typically called the "king of flowers."

Therefore, "Rose" is the most appropriate and widely accepted answer as the "king of flowers."