Which of the following statements about xylem and phloem is correct? - ProProfs Discuss
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Which of the following statements about xylem and phloem is correct?



A. Both are produce as secondary growth byvascular cambium.
B. Both have companion cells.
C. Both are found in bryophytes.
D. Both conduct glucose in the plant.
E. Both actively move fluids up and down stems.

This question is part of Chapter 3: Botany
Asked by JamesReedsh, Last updated: Feb 07, 2019

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2 Answers

Y. Dawne

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Y. DawneContent Blogger, Diploma in Journalism, Amsterdam, Netherlands
Content Blogger, Diploma in Journalism, Amsterdam, Netherlands

Answered on Feb 07, 2019

The correct answer to this question is A.

Phloem and xylem are complex tissues that perform transportation of food and water in a plant. They are the vascular tissues of the plant and together form vascular bundles. Xylem is formed by tracheary elements like tracheids and vessels predominantly. There are a variety of other cells giving it the status of complex tissue. Primary xylem originates from the procambium during primary growth while secondary xylem has its origin in vascular cambium during secondary growth.

Phloem has sieve tubes, companion cells, bast fibers as its elements. Phloem originates from meristematic cells in vascular cambium- primary phloem from apical meristem and secondary phloem from vascular cambium.

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John Smith

John Smith

Answered on Apr 18, 2017

Both are produce as secondary growth by vascular cambium.
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