A) Adiancum and Cucurbitaceae
B) Osmunda and Equisecum
C) Marsilea and Bocrychium
D) Dicksonia and maiden hair fern
Correct Answer: B
Solution :
In the ectophloic siphonostele the xylem surrounds pith and this xylem is surrounded by phloem, pericycle and endoderm is respectively. .e.g., Osmunda and Equisetum.
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