AIPMT PRELIMS 2005 Botany Vascular System MCQ Question
Ectophloic siphonostele is found in:
Adiantum and Cucurbitaceae
Osmunda and Equisetum
Marsilea and Botrychium
Dicksonia and maiden hair fern
Correct Answer
Detailed Explanation
Ectophloic siphonostele is a type of vascular arrangement found in some ferns like Osmunda and Equisetum, where the phloem is located outside the xylem.
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