Answer the following with reference to the anatomy of monocot stem :

Answer the following with reference to the anatomy of monocot stem :
(a) How are the vascular bundles arranged ?
(b) How are the xylem vessels arranged in each bundle ?
© Are vascular bundles closed ones? What type of
tissues they lack ?

(a) Vascular bundles are scattered in the ground tissue.
(b) Y-shaped (vessels are arranged to form Y, larger towards, upper side while smaller towards lower side); endarch condition.
© Cambium lacks in vascular bundles.