The incorrectly matched pair in the given options is:

b) CITES = Convention in International Trade in Elite Species

Explanation:

UNESCO: United Nations Educational Scientific and Cultural Organization

- UNESCO stands for the United Nations Educational, Scientific and Cultural Organization.
- It is a specialized agency of the United Nations that promotes international collaboration in education, science, culture, and communication.
- UNESCO is responsible for designating World Heritage Sites and promoting cultural diversity and intercultural dialogue.
- It aims to provide universal access to education, strengthen scientific cooperation, and protect cultural heritage.

CITES: Convention on International Trade in Endangered Species of Wild Fauna and Flora

- CITES stands for the Convention on International Trade in Endangered Species of Wild Fauna and Flora.
- It is an international agreement between governments that aims to ensure that international trade in specimens of wild animals and plants does not threaten their survival.
- CITES regulates the trade of species that are listed under its appendices, which categorize species based on the level of protection they require.
- Its purpose is to protect endangered species from over-exploitation due to international trade.

IUCN: International Union for Conservation of Nature

- IUCN stands for the International Union for Conservation of Nature.
- It is a global organization composed of both government and civil society organizations.
- IUCN aims to conserve nature and promote sustainable use of natural resources.
- It provides guidance and expertise on conservation issues, assesses the conservation status of species, and promotes the establishment of protected areas.

WWF: World Wide Fund for Nature

- WWF stands for the World Wide Fund for Nature, formerly known as the World Wildlife Fund.
- It is an international non-governmental organization that focuses on the conservation of nature.
- WWF works to protect the world's most vulnerable ecosystems, endangered species, and promote sustainable practices.
- It engages in various conservation projects, environmental advocacy, and supports community-based conservation initiatives.

In the given options, CITES is incorrectly matched with the "Convention in International Trade in Elite Species." The correct expansion of CITES is "Convention on International Trade in Endangered Species of Wild Fauna and Flora." It focuses on regulating trade in endangered species to ensure their survival, not elite species.