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NEET2013BotanyAnatomy of Flowering PlantsActual

Assertion : Protostele is the simplest stele. Reason : Protostele is the most advanced type of stele.

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of assertion.
  2. BIf both assertion and reason are true but reason is not the correct explanation of assertion.
  3. CIf assertion is true but reason is false
  4. DIf both assertion and reason are false

Correct answer

C. If assertion is true but reason is false

Step-by-step solution

Protostele is the simplest and considered to be the most primitive type of stele. It consists of a solid core of xylem surrounded by the cylinder of phloem, enclosing no pith. All other types of steles have evolved from it in the course of evolutionary specialization. Protosteles may be found in Selaginella, Lycopodium, Gleichenia and Lygodium among present day forms.

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