State Food Safety Practice Exam

What is a sign of a cockroach infestation?

1. Gnaw marks

2. Nesting materials

3. Strong oily smells

4. Strong smell of ammonia

The correct answer is: Strong oily smells

A strong oily smell is indeed a sign of a cockroach infestation. Cockroaches secrete oils that can create a distinctive, musty aroma in areas where they are present. This oily residue is often associated with their droppings and can be a clear indicator of an underlying problem, as it often means that there are multiple roaches in the vicinity, indicating the presence of a larger infestation. The strong smell of ammonia, while it may indicate other types of pests or unsanitary conditions, is not specifically associated with cockroaches. Similarly, gnaw marks and nesting materials are more typical signs of rodent infestations rather than cockroaches. Cockroaches tend to hide in cracks and crevices and do not usually create nests in the same way that rodents do. Understanding these signs can help in effectively identifying the type of pest issue at hand and addressing it appropriately.