A student draws a cheek cell. The drawing of the cell is 30 mm wide. The real cell is 60 μm60\ \mu\text{m}60 μm wide.
What is the magnification of the drawing?
×0.5\times 0.5×0.5
×50\times 50×50
×500\times 500×500
×5000\times 5000×5000
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.