Question

contamination of food items by other living organisms is known as?
physical contamination
biological contamination
chemical contamination
all of the above

Explanation:

Biological contamination refers to the presence of living organisms like bacteria, fungi, and parasites in food items. Physical contamination involves foreign objects like glass or metal, and chemical contamination involves substances like pesticides or cleaning agents. Since the question is about living organisms, it's biological contamination.

Answer:

B. Biological contamination