Which among the following is true for fungi?
Fungi are not related to plants.
Yeast is a fungus.
Fungi are neither related to plants nor animals. In fact, they form a separate kingdom of life. All fungi are strictly heterotrophic. They may be parasitic or saprophytic.
Some fungi are indeed poisonous but many are edible. Yeast is used to ferment food to make bread and beer. Mushrooms are eaten across the world and they really are the fruiting bodies of some fungi.