A naturally occurring sanctuary, such as an island, which protects species from getting hunted, predated or poached is called as a wildlife refuge. It is also known as a wildlife sanctuary. Being a protected area, it is a geographic territory within which wildlife is protected. 515 wildlife sanctuaries are present in India currently. Conservation of flora and fauna along with the prohibition of hunting is done here.
So, the correct answer is 'Exploitation of soil and flora'.