PLANTS
PTERIDOPHYTES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The type of stele in Marsilea Rhizome is
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Mixed Protostele
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Dictyostele
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Amphiphloic Siphonostele
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Ectophloic Siphonostele
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Explanation:
Detailed explanation-1: -Amphiphloic siphonostele-In the rhizome of Marsilea, where phloem is present as a ring outside the ring of xylem and the pith is encircled by inner and outer endodermis, pericycle, xylem, and phloem. It is a type of monostele. This type of stele occupies the center of the rhizome.
Detailed explanation-2: -Amphiphloic siphonostele: In this type of siphonostele, the xylem is encircled on both sides by phloem, pericycle, and endodermis. It is commonly found in Equisetum and Osmunda. Ectophloic siphonostele: In this type of siphonostele in which the pericycle, xylem, phloem, and endodermis all surround the central pith.
Detailed explanation-3: -So, the correct answer is ‘Osmunda and Equisetum’.
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