Xylem & Phloem (Cambridge (CIE) IGCSE Combined Science): Revision Note
Exam code: 0653
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The xylem & phloem
What is the function of the xylem and phloem
Plants contain two types of transport vessel:
Xylem vessels – transport water and minerals (pronounced: zi-lem) from the roots to the stem and leaves
Phloem vessels – transport food materials (mainly sucrose and amino acids) made by the plant from photosynthesising leaves to non-photosynthesising regions in the roots and stem (pronounced: flow-em)
These vessels are arranged throughout the root, stem and leaves in groups called vascular bundles
Xylem and phloem diagram
Vascular tissue in a dicotyledonous plant
Examiner Tips and Tricks
If you are asked to identify the xylem or phloem in a diagram showing a cross-section of a root, stem or leaf just remember that xylem is always on the inside and phloem is always on the outside.
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