Though stems, leaves and roots form an essential part of most plants, which of the following would be an exception to this i.e. it can grow without stems, leaves or roots?
Fungus
Fungi do not have leaves, stem, and roots. Most fungi are parasitic or saprophytic in nature i.e. they do not produce food, rather they absorb food from other plants.
Dodder and pitcher plant, though are heterotrophs, they have stem and root.