Multiple Choice
In an upright woody stem, vascular rays are composed of _______ cells and conduct materials in a _______ direction.
A) fiber and secondary xylem; vertical
B) guard and fiber; horizontal
C) parenchyma and secondary xylem; horizontal
D) fiber and parenchyma; vertical
E) parenchyma and guard; vertical
Correct Answer:

Verified
Correct Answer:
Verified
Q139: You observe a plant cell that is
Q140: The _ meristems in roots and shoots
Q141: Plants regulate gas exchange and water loss
Q142: The protective waxy cuticle of a plant
Q143: The membrane surrounding the vacuole, which is
Q145: Lateral roots originate in the<br>A) epidermis.<br>B) cortex.<br>C)
Q146: Secondary plant growth<br>A) occurs in the apical
Q147: Eudicots have _ cotyledons.
Q148: A phytomer is composed of a node
Q149: Refer to the figure showing the basic