Q.

A major characteristic of monocot root is the presence of                  [2015]

1 vasculature without cambium  
2 cambium sandwiched between phloem and xylem along the radius  
3 open vascular bundles  
4 scattered vascular bundles  

Ans.

(1)

In monocot root, a large number of vascular bundles are arranged in the form of a ring around the central pith. Vascular bundles are closed because there is no cambium present between the xylem and phloem.