Stem Anatomy · Botany

In most dicot stem vascular bundles, where is the phloem located relative to the xylem?

  1. Toward the outer side of the stem
  2. Toward the center of the stem
  3. Completely inside the xylem
  4. Alternating with xylem in the cortex
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Correct answer: Toward the outer side of the stem

In many dicot stems, phloem is located toward the outside of each vascular bundle. Xylem is positioned toward the inner side, closer to the pith.

Difficulty: Medium Question 7 of 19

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