Laboratory skills are crucial for any biology olympiad, including USABO and IBO. Over the years of my own preparation and while tutoring others, I gathered this of techniques that are essential to know for the biology olympiad, especially for the International Biology Olympiad. CELL BIOLOGY Use of a microtome to make slides, Cell Fractionation, Microscopy (measurement of objects), Immunostaining, Histology, Haemocytometer, Drawing of preparations, Maceration and …