The following question is based on the drawings of root or stem cross-sections shown in the figure.
- Refer to the figure. A woody eudicot is represented by ________.
A) II only
B) III only
C) IV only
D) I and III

Question

The following question is based on the drawings of root or stem cross-sections shown in the figure. 
- Refer to the figure. A woody eudicot is represented by ________.
A) II only 
B) III only 
C) IV only 
D) I and III

Quizplus · Accepted Answer

The cross-section of a woody eudicot stem is represented by IV only. It has the characteristics of a woody eudicot, such as the presence of secondary xylem and phloem, a cambium layer, and periderm. Cross-sections II and III do not show the presence of a cambium layer, which is a defining characteristic of woody eudicots. Cross-section I shows the presence of a pith, which is not characteristic of woody eudicots.

The Following Question Is Based on the Drawings of Root