Xylem and phloem

8.1

What the syllabus asks of you

State the functions of xylem and phloem: 3 Relate the structure of xylem vessels to their (a) xylem – transport of water and mineral ions, function, limited to: and support (a) thick walls with lignin (details of lignification (b) phloem – transport of sucrose and amino are not required) acids (b) no cell contents
Identify in diagrams and images the position of (c) cells joined end to end with no cross walls xylem and phloem as seen in sections of roots, to form a long continuous tube stems and leaves of non-woody dicotyledonous plants

Read the notes first

Chapter 7: Uptake and transport of water and ions

Drill this topic

Every question on Xylem and phloem, untimed, marked as you go.

Make a worksheet

Choose the years and how many questions, then print it with the answers on separate pages.