Biology laboratory practical work is an essential part of Cameroon O-Level Biology. Safety and proper handling of equipment are crucial to prevent accidents and ensure reliable results.
Safety Rules
Wear lab coat, gloves, and protective eyewear.
Know the location of fire extinguisher, first aid kit, and emergency exit.
Do not eat or drink in the laboratory.
Handle chemicals, glassware, and equipment carefully.
Dispose of waste appropriately.
Wash hands thoroughly after practicals.
Common Laboratory Equipment
Beakers, flasks, test tubes, pipettes, measuring cylinders – for handling liquids.
Bunsen burner – for heating substances.
Microscope – for observing microorganisms and cell structures.
Balance – for measuring mass.
Thermometers – for measuring temperature.
Glass slides and cover slips – for preparing specimens.
Diagram: Microscope
Practice Questions & Answers
Q: List five laboratory safety rules. A: Wear protective clothing, know emergency exits, do not eat/drink, handle chemicals carefully, wash hands after practicals.
Q: Name five common laboratory equipment. A: Beakers, pipettes, microscope, Bunsen burner, balance.
Q: Why is laboratory safety important? A: To prevent accidents, injuries, and contamination, and to ensure accurate experimental results.