Question Detail
Question
Which type of stele is described as the simplest and most primitive, consisting of a solid core of xylem surrounded by phloem, and lacking a central pith or leaf gaps?
Correct Answer
Option B is the correct answer.
Detailed Explanation
Page 17 defines Protostele: 'It is the simplest and most primitive type of stele, consisting of a solid core of xylem surrounded by phloem, lacking a central pith or any leaf gaps.'
Hint
This is the foundational type of stele in early vascular plants.