Paper 2 · June 2019 · Cells and Tissues
What is a science laboratory rule?
ANo eating, tasting or inhaling substances in the laboratory
BWearing open sandals instead of closed shoes, to allow quick movement around the bench
CWorking alone without supervision, to save time during a practical
DMixing any two chemicals together to observe the reaction that occurs
Explanation
A basic laboratory rule is not to eat, taste or inhale substances.
Derived from ZIMSEC Biology 4025/2 Paper 2 Theory, June 2019, Q1