Question

contrast and compare chemical and biological hazard

Answer 1

Explanation:

Biological : 1.Pathogenic bacteria, e.g. Escherichi coli, Salmonella spp., usually associated with faecal contamination from warm-blooded animals, or others, e.g. Listeria monocytogenes, commonly found in contaminated soil, water and ruminants

2.Naturally occurring plant toxins, e.g. alkaloids, cyanogen glycosides

Chemical: Pesticide, insecticide and fungicide residues (international food law includes maximum residue levels for named compounds to be used on specific fruit and vegetables)