Questions

Secondary growth in dicot roots is not characterised by

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Wavy ring of a vascular cambium.

Dedifferentiation of cells just below the phloem bundles.

Vascular cambium is half in primary and half in secondary origin.

Purely secondary origin of cork cambium.

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detailed solution

Correct option is C

In dicot root, during secondary growth the complete vascular cambium is secondary in origin and formed from conjunctive tissue and pericycle by dedifferentiation.

Similar Questions

Given below are four statements (A-D) regarding secondary growth in dicot root.
(A) The vascular cambium is completely secondary in origin.
(B) The vascular cambium develops from the tissue located first below the phloem bundle and a portion of pericycle tissue.
(C) Annual rings are clearly distinct.
(D) Phellogen cuts phellem on the inner side and phelloderm towards outside.
Which two statements are incorrect?

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