WHMIS Test Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

WHMIS Test Questions and Answers | Latest Version | 2025/2026 | Correct & Verified What does WHMIS stand for in laboratory safety? Workplace Hazardous Materials Information System Why is WHMIS important in biology laboratories? It helps prevent injury from biological and chemical hazards Who must follow WHMIS rules in a biology lab? All workers and students What document explains hazards of lab chemicals and biological agents? Safety Data Sheet (SDS) How many sections are included in an SDS? 16 What type of hazard do bacteria and viruses represent? Biological hazard What symbol is commonly used to represent biohazards? 2 Biohazard symbol Why are biological samples treated as potentially hazardous? They may contain infectious agents What does the term “pathogen” mean? A microorganism that can cause disease Why must gloves be worn when handling biological specimens? To prevent contamination and infection What should you do before handling blood or body fluids? Put on appropriate personal protective equipment What is the purpose of labelling biological materials? To identify contents and associated hazards What does PPE stand for? Personal Protective Equipment Why are lab coats used in biology labs? To protect skin and clothing from contamination 3 What should you do if gloves become torn during lab work? Replace them immediately Why is eating or drinking forbidden in biology labs? To prevent ingestion of hazardous materials What is aseptic technique? A method to prevent contamination by microorganisms Why is handwashing required after biology lab work? To remove microorganisms and chemicals What should be done with contaminated gloves after use? Dispose of them in designated waste containers What type of waste includes used pipette tips and gloves? Biohazard waste Why must biohazard waste be disposed of separately? To prevent spread of infection 4 What is the purpose of an autoclave in biology labs? To sterilise equipment and biological waste What does sterilisation mean? Complete destruction of microorganisms