Xylem is found in the roots, the stem and the leaves of a plant. Which statement about xylem is correct?
Xylem is a tissue, and each plant organ contains a different xylem
Xylem is an organ, because it is found in the whole of the plant
Xylem is a tissue, and it is found in more than one plant organ
Xylem is an organ system, because it joins the roots to the leaves
19 exam-style questions on AQA GCSE Biology 2.1 Principles of organisation, covering 2.1 Principles of organisation. Each one has a worked solution and a mark scheme showing where the marks go.