The Driving Force That Pushes the Root Tip Through the Soil

Multiple Choice

The driving force that pushes the root tip through the soil is due primarily to

A) continuous cell division in the root cap at the tip of the root.
B) continuous cell division just behind the root cap in the center of the apical meristem.
C) elongation of cells behind the root apical meristem.
D) A and B only.
E) A, B, and C.