Q. Ectophloic siphonostele is found in
A) $Adiantum\ and\ Cucurbitaceae$
B) $Osmunda\ and\ Equisetum$
C) $Marsilea\ and\ Botrychium$
D) $Dicksonia\$and maiden hair fern
Explanation
In the ectophloic siphonostele, the xylem surrounds pith and this xylem is surrounded by phloem, pericycle and endoderm respectively, $e.g.,\ Osmunda\ and\ Equisetum.$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.