Textbook Question
Which of the following would not be seen in a cross section through the woody part of a root?
a. Sclerenchyma cells
b. Parenchyma cells
c. Sieve-tube elements
d. Root hairs
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33. Plant Anatomy
Tissues
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In vascular plants, what is the main function of xylem tissue?
A
Transport sugars (photosynthate) from leaves to the rest of the plant
B
Provide gas exchange through stomatal opening and closing
C
Carry out photosynthesis in leaf mesophyll
D
Transport water and dissolved minerals from roots to shoots
Verified step by step guidance1
Identify the primary role of xylem tissue in vascular plants, which is related to transport within the plant.
Recall that xylem is responsible for moving substances from the roots upward to the shoots and leaves.
Understand that the substances transported by xylem are water and dissolved minerals absorbed from the soil.
Differentiate xylem from phloem, which transports sugars (photosynthate) from leaves to other parts of the plant.
Conclude that the main function of xylem tissue is to transport water and dissolved minerals from roots to shoots.
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