Ans. (c). angiosperms
Angiosperms or flowering plants that have vascular bundles, flowers, fruits, and with covered seeds. Roses and lilies are seed-producing, flowering plants, hence, these plants are angiosperms.
Presence of flowers is the major characteristics of angiosperms, in which male and female reproductive organs are present. In these plants, egg (female gamete) is fertilized with male a gamete and develops into a seed, enclosed within an ovary.
Thus, the correct answer is option (c).