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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(A) and (D)

(A) and (C)

(B) and (C)

answer is D.

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Detailed Solution

Annual rings are indistinct. The phellogen cuts secondary cortex towards interior and cork towards exterior.

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