Which plant family is characterized by nitrogen-fixing root nodules formed in symbiotic association with Rhizobium bacteria, economically important for pulse production?

💡 Solution & Explanation

Fabaceae is the legume family comprising plants like peas, beans, and soybeans that form mutualistic relationships with nitrogen-fixing bacteria inside root nodules to enrich soil nitrogen content. Solanaceae includes nightshades such as potato, tomato, and eggplant with bicarpellary syncarpous ovaries. Liliaceae represents monocot plants with tepals and trimerous flowers such as onion and tulip. Brassicaceae contains cruciferous vegetables like mustard and cabbage possessing tetradynamous stamens.