The process happening in the root tip of a new plant is –

because –
.
1 mitosis #Cells begin mitotic cell division to grow and repair a multicellular organism.

2 cell elongation and differentiation #Cells in the root tip undergo elongation and differentiation to form different types of specialized cells.

3 root hair formation #Specialized cells in the root tip differentiate further to form root hairs which help in nutrient absorption.
4 root growth #Overall root growth is initiated and is a result of cell division, elongation, and differentiation in the root tip.