A trainee examines a moss leaf with a light microscope. A row of 25 cells, lying end to end, stretches exactly across the field of view. Each cell is about 24 μm24\ \mu\text{m}24 μm long.
What is the diameter of the field of view?
0.6 mm0.6\ \text{mm}0.6 mm
600 mm600\ \text{mm}600 mm
6 mm6\ \text{mm}6 mm
0.96 mm0.96\ \text{mm}0.96 mm
130 exam-style questions on OCR GCSE Biology 1.1 Cell structures, covering 1.1.1 Viewing cells with light microscopes, 1.1.2 Sub-cellular structures and functions, and 1.1.3 Electron microscopy and resolution. Each one has a worked solution and a mark scheme showing where the marks go.