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NTA Abhyas NEET2020BotanyAnatomy of Flowering PlantsPractice

The tissue that will be present in the maximum amount in the stem of a many years old woody tree is

Options

  1. ASecondary Xylem
  2. BSecondary cortex
  3. CPrimary xylem
  4. DPrimary phloem

Correct answer

A. Secondary Xylem

Step-by-step solution

In an old trunk, increase in thickness occurs due to secondary growth, secondary growth in stellar region occurs due to activity of vascular cambium which forms more amount of secondary xylem and this form heart of the trunk.

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