Spotting is looking for specific features in a specimen. It is an important part of the practical exam. Students are asked to take specimens from test tubes or otherwise. You can be asked to observe cells, fish, etc under a microscope and identify the characteristics. You have to spot them carefully and write them down. The students must know their theory well to be able to identify the characteristics easily. The external examiner can give you any kind of specimen so you must be thorough with all your theory.