The tracheids differ from vessels in having –

Apical, intercalary and lateral meristems are differentiated on the basis of –

Leaf primordium grows into adult lamina by means of –

Cells of tissue are living, show angular wall thickening and provide mechanical support. The tissue is

A living mechanical tissue having pecto-cellulosic wall thickening is –

Collenchyma is present in –

Xylem fibre is –

Food is transported by –

The vascular bundle in a dicot stem is :

Which is not the primary meristem?