NEET UG 2009 — Anatomy of Flowering Plants

Anatomically fairly old dicotyledonous root is distinguished from the dicotyledonous stem by :

Palisade parenchyma is absent in leaves of

The annular and spirally thickened conducting elements generally develop in the protoxylem when the root or stem is

Palisade parenchyma is absent in leaves of -

Anatomically fairly old dicotyledonous root is distinguished from the dicotyledonous stem by

In barley stem, vascular bundles are