The state flower of Rajasthan is -

Correct Answer: B. Rohida

Explanation: Rohida - Scientific Name - Tecomella undulata Rohida is called the " Teak of Marwar" in Rajasthan. its wood is as strong, termite-resistant, and attractive as teak. Rohida plays a key role in conserving desert biodiversity. Many medicinal properties have been found in Rohida's leaves, twigs, flowers, and bark. Researchers have identified antibiotic, antimicrobial, antifungal,anti-cancer, and anti-allergic properties in them. Operation Rohida is an awareness and conservation-based campaign.