The correct option is
C Ginkgo bilobaLiving gymnosperms are divided into 4 groups- ginkgophytes, gnetophytes, cycadophytes and coniferophytes. Ginkgophyta is represented by maidenhair tree,
Ginkgo biloba. Gnetophyta contains
Gnetum,
Ephedra and
Welwitschia. Cycads are the small group of gymnosperms which include
Cycas. Conifers comprise more than 500 living species of cone-bearing gymnosperms which are evergreen and mostly monoecious.
Adiantum also known as walking fern belongs to Pteridophyta and produces a new plant whenever its leaf tip comes in contact with soil.
Thus, the correct answer is option C.