The correct option is B It is composed of government organizations only.
Explanation:
Option (a), (c) and (d) are correct: IUCN was established in 1948 and it act as International authority on the status of the natural world. To help in conservation of various species of flora and fauna it published the World Conservation Strategy. It aims to protect wildlife in partnership with WWF, TRAFFIC Foundation.
Option (b) is incorrect: It is composed of both government as well as civil society organisations.