Q. When a plant is not reproducing most of the cytokinins are produced in its :

 1625  198 Plant Growth and Development Report Error

Solution:

The substance was named Cytokinin and it is involved in cell division and in the making of new plant organs, like a root or a shoot. Cytokinins are produced in the root apical meristems (very tip of the roots) and travel upward hitching a ride with water and traveling up the stem through the xylem. So, the correct option is 'roots'.