One of the most important functions of botanical gardens is that (a) they provide a beautiful area for recreation (b) one can observe tropical plants there (c) they allow ex situ conservation of germ plasm (d) they provide the natural habitat for wild life.
Option C Ex situ conservation means “offsite conservation”. It is the process of protecting endangered species of plants and animals by removing it from an unsafe or threatened habitat and placing it or part of it under the care of humans. Botanical garden serve as ex situ conservation of germplasm of different plants, to maintain rare and endemic plant species and also to provide recreation and knowledge about plants to a common man
