Wood Formation · Botany

What is the role of 'Xylem Rays' in the anatomy of wood?

  1. Vertical transport of water and sap upward
  2. Mechanical support of the tree trunk
  3. Protection against fungal pathogens
  4. Radial transport of water and nutrients
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Correct answer: Radial transport of water and nutrients

Xylem rays are horizontal ribbons of parenchyma cells that extend radially from the center of the stem. They facilitate the lateral transport of water, nutrients, and waste products across the wood.

Difficulty: Medium Question 18 of 20

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