Anatomy of Flowering PlantsHard
Question
Which statement is true with respect to secondary growth in roots
(i) In the dicot root, the vascular combium is completely secondary in origin
(ii) conjuctive tissue becomes meristematic below phloem bundles.
(iii) cells of pericycle lying opposite to protoxylem also becomes meristematic to form additional strip of cambium.
(iv) conjoint collateral type of vascular bundles present in roots
(i) In the dicot root, the vascular combium is completely secondary in origin
(ii) conjuctive tissue becomes meristematic below phloem bundles.
(iii) cells of pericycle lying opposite to protoxylem also becomes meristematic to form additional strip of cambium.
(iv) conjoint collateral type of vascular bundles present in roots
Options
A.(i), (ii), (iii)
B.(i), (ii) only
C.(ii), & (iii) only
D.All are correct
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