Sources of contamination by micro-organism in food?

Question

THE VARIOUS SOURCES OF CONTAMINATION OF MICRO-ORGANISMS IN FOOD

Answer 1

Bad sanitary conditions,poor quality control.And sometimes, lower growing standards.

Answer 2

1. Hands of people who touch the food.
2. Animal conditions (e.g. salmonella in chicken)
3. Other food in storage
4. Poor conditions of refrigeration, storage, etc.

Answer 3

micro organisms secretes some chemicals which are toxic to our body. if we accidentally ate the food that it contaminates, we can be poisoned.