Railway Science (Biology-Reproduction in Plant) (Part-II)

It is surrounded by male reproductive structures called stamens. The carpels and stamens are surrounded by petals. The petals are protected by sepals, which are green. Carpels are divided into three parts namely ovary, style and stigma.

Naked seeds are examples of Gymnosperms, the seeds are directly exposed to the external environment. The gymnosperms are the group of plants which produce seeds which are not covered by any covering called fruits. Example : Cycas, Araucaria, Thuja, Cedrus, Picea, Abies, Juniperus.