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NTA Abhyas NEET2020BotanyAnatomy of Flowering PlantsPractice

What are secondary medullary rays?

Options

  1. ANarrow band of parenchyma
  2. BArranged transversely
  3. CDead and lignified
  4. DFormed by primary cambium

Correct answer

A. Narrow band of parenchyma

Step-by-step solution

During secondary growth, at some places, the cambium forms a narrow band of parenchyma, which passes through the secondary xylem and the secondary phloem in the radial directions. These are the secondary medullary rays.

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