Which of the following statements is correct about a woody dicot stem which shows extensive secondary growth?

Primary xylem persists in the centre of the axis

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Primary and the older secondary phloem get crushed

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Secondary xylem forms the bulk of the stem

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All of these

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Solution

The correct option is D All of these
The primary xylem persists in the center of the axis, secondary xylem forms the bulk of the stem and the primary and older secondary phloem get crushed in a woody dicot stem which shows extensive secondary growth.
Thus, the correct answer is 'All of these.'

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Similar questions

What is the fate of primary xylem in a dicot root showing extensive secondary growth?

(a) It is retained in the centre of the axis

(b) It gets crushed

(d) It gets surrounded by primary phloem

Secondary xylem and phloem in dicot stem are produced by

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