A botanist examines a cell from a plant stem under a microscope and identifies it as a phloem cell.
Which observation would show that the cell had been identified incorrectly?
The end wall has holes that allow dissolved food to pass through.
The cell is dead and forms part of a hollow, continuous tube.
The cell is living and is joined end to end with other cells.
A companion cell supplies energy that helps to keep the cell alive.
282 exam-style questions on AQA GCSE Biology 1.1 Cell structure, covering 1.1.1 Eukaryotes and prokaryotes, 1.1.2 Animal and plant cells, 1.1.3 Cell specialisation, 1.1.4 Cell differentiation, 1.1.5 Microscopy, and 1.1.6 Culturing microorganisms. Each one has a worked solution and a mark scheme showing where the marks go.