Question

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

(i) How are the vascular bundles arranged? 

(ii) How are the xylem vessels arranged in each bundle? 

(iii) Are vascular bundles closed ones? What type of tissues they lack?

Answer 1

(i) Vascular bundles are scattered in the ground tissue. 

(ii) Y-shaped (vessels are arranged to form Y, larger towards upper side while smaller towards lower side); endarch condition. 

(iii) Closed ones. They lack cambium.