Is chiku have a tap root root?

Tap roots have one whole root and have only root hairs on them. But fibrous roots have many roots and spread across the underground.

The bananas grow on the trees and all trees have fibrous roots.

yes

They can be both. Tap roots grow straight down to anchor the tree, fibrous roots spread out to take up nutrients. As well as some trees be both because some tap roots contrast with the fibrous roots...

tap root