A disease destroys the phloem tissue in the veins of a plant's leaves. What effect will this have on the plant?
Water taken up by the roots will not reach the leaves of the plant
Carbon dioxide will not diffuse into the air spaces inside the leaf
Mineral ions taken up by the roots will not reach the growing tips
Sugars made in the leaves will not reach the roots of the plant
38 exam-style questions on AQA GCSE Biology 2.3 Plant tissues, organs and systems, covering 2.3.1 Plant tissues and 2.3.2 Plant organ system. Each one has a worked solution and a mark scheme showing where the marks go.