NEET BIOLOGY

Detailed explanation-1: -The division Ginkgophyta consists of a single living species, Ginkgo biloba.

Detailed explanation-2: -ginkgophyte, any member of the division Ginkgophyta, a group of gymnospermous plants of particular interest to paleobotanists. Two of the three genera of ginkgophytes, Ginkgoites and Baiera, are extinct. The third genus, Ginkgo, has only one member, Ginkgo biloba, commonly called the ginkgo tree.

Detailed explanation-3: -Ginkgo biloba (also called the maidenhair tree) is often referred to as a “living fossil, ” because it is the only remaining representative of a perished botanical family (the Ginkgoaceae) and is considered to be the oldest living tree species [1]. The plant is dioecious, that is, there are male and female trees.

Detailed explanation-4: -Smallest Gymnosperm-Zamia pygmaea The smallest living cycad and (presumably) the smallest gymnosperm in the world is Zamia pygmaea, growing no taller than 10 inches.