A student places a cover slip over a specimen on a microscope slide.
What is the purpose of the cover slip?
to keep the specimen flat and stop it drying out
to magnify the specimen before it is viewed
to add colour to the structures inside the cells
to kill any microorganisms on the specimen
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.