Multiple choice

_______ is also known as Medulla.

  1. Fascicular cambium

  2. Annual rings

  3. Pith

  4. Vascular Bundles

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The pith occupies the large central part of the stem. It consists of thin-walled parenchyma cells with intercellular air spaces. Between each vascular bundle is a band of parenchyma, the medullary rays, continuous with the cortex and the pith. Functions of the Pith or Medulla: the cells of the pith store water and starch. They allow for the exchange of gases through the intercellular air spaces.

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