A cross-section of a structure that was identified as plant material was found in a thin section of rock. The plant structure was round in cross-section, with a central pith of parenchyma surrounded by metaxylem. The metaxylem was to the inside of the protoxylem and areas of primary phloem alternated with the many arches of primary xylem. The section is most likely to be of a
A) monocotyledon stem.
B) dicotyledon stem.
C) monocotyledon root.
D) either a monocotyledon or dicotyledon root.
E) dicotyledon root.

Question

Quizplus · Accepted Answer

The Answer of A cross-section of a structure that was identified as plant material was found in a thin section of rock. The plant structure was round in cross-section, with a central pith of parenchyma surrounded by metaxylem. The metaxylem was to the inside of the protoxylem and areas of primary phloem alternated with the many arches of primary xylem. The section is most likely to be of a
A) monocotyledon stem.
B) dicotyledon stem.
C) monocotyledon root.
D) either a monocotyledon or dicotyledon root.
E) dicotyledon root.

A Cross-Section of a Structure That Was Identified as Plant