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Mesarch xylem occurs in
Mesarch xylem occurs in
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The correct option is D Ferns
The term mesarch is used when there is more than one strand of primary xylem in a stem or root and the xylem develops from the middle of a strand in both directions. The metaxylem is thus on both the peripheral and central sides of the strand with the protoxylem between the metaxylem possibly surrounded by it. The leaves and stems of many ferns have mesarch development. Thus, option C is correct.
The term mesarch is used when there is more than one strand of primary xylem in a stem or root and the xylem develops from the middle of a strand in both directions. The metaxylem is thus on both the peripheral and central sides of the strand with the protoxylem between the metaxylem possibly surrounded by it. The leaves and stems of many ferns have mesarch development. Thus, option C is correct.
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