Across
- 2. Colour of the label on a fire extinguisher containing carbon dioxide (5)
- 5. Large group of uni-cellular organisms that can be either pathogenic or non-pathogenic (8)
- 8. A substance that kills or inhibits fungi and fungal spores (9)
- 11. Refers to practices associated with ensuring good health and cleanliness (7)
- 14. Infection transferred from one person to another usually due to poor hygiene practices (5-9)
- 15. Disease producing and harmful (10)
- 16. To make something clean and sanitary (10)
- 18. Does not produce disease and is not harmful (3-10)
- 19. Detrimental colonisation of a host organism by a foreign species (9)
- 20. A substance that stops bacteria from reproducing but does not kill them (12)
- 22. Colour of the label on a fire extinguisher containing powder (5)
- 23. A chemical agent which inhibits the growth and multiplication of bacteria (10)
- 25. Microscopic plant organisms consisting of many cells and are parasitic in nature (5)
- 26. Infectious agents that are unable to grow or reproduce outside a host cell (7)
Down
- 1. Colour of the label on a fire extinguisher containing water (5)
- 2. A substance that kills bacteria and ideally nothing else (11)
- 3. Poisonous substances produced by living cells or organisms (6)
- 4. Colour of the label on a fire extinguisher containing foam (4)
- 6. A chemical or biological agent that stops fungi from reproducing (9)
- 7. An abnormal condition of an organism that impairs bodily function and can be deadly (7)
- 9. The breathing in of a substance (10)
- 10. The complete destruction of micro-organisms and their cause (13)
- 12. A chemical agent which completely destroys bacteria (12)
- 13. The overpopulation of an organism (11)
- 15. The unit used to measure the acidity or alkalinity of a substance (2)
- 17. The consumption of a substance (9)
- 21. To be free of bacteria and other micro-organisms that could cause disease (7)
- 24. Medical term that describes a state of having sufficient biological defenses to avoid infection, disease, or other unwanted invasion (8)