Kingdoms are Archaebacteria, Eubacteria, Protista, Fungi, Plantae, and Animalia.
I'm not sure if these 6 kingdoms I listed are one of the"which of the following"options you asked for so I hope it helps.
The part of the root that contains transport tubes is the root hair. The primary role of the root hair is to absorb water and nutrients from the soil. They are hair-like and tubular in structure and are sometimes rarely visible by the naked eye.