Question

Contrast and compare physical, chemical and biological hazard in tabular form on the

basis of:

Hazard, Elements of the hazard, Vulnerable groups, Prevention, Examples

Answer 1

Biological hazards include pathogens such as bacteria, viruses, molds, yeasts, and parasites. These are usually associated with fecal contamination and cause serious diseases to humans.  

Chemical hazards include fungicidal, insecticidal residue, heavy metals such as Zinc, Lead, and Aluminum. Furthermore, other chemical hazards may include diesel, hydraulic oil that can cause serious problems if consumed.  

Physical hazards include glass, plastic, stones, woods, twigs, and pits that can cause injuries and even death if consumed along with food.  

Humans can avoid these hazards by drinking clean water and testing every edible before eating.