Wood Destroying Organism (WDO) Home Inspection Practice Exam

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Prepare for the Wood Destroying Organism exam with comprehensive questions and detailed explanations. This resource will enhance your understanding and help you succeed in passing your inspection certification!

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Which of the following is a sign of a potential termite infestation?

Frass
Wood shavings
Discoloration
Moisture stains

The correct answer is: Frass

Frass is a key indicator of a potential termite infestation. It consists of small pellets that are the droppings of wood-eating termites. The presence of frass often suggests that there are active termites feeding on wood within the structure. This is a strong visual sign that can lead inspectors or homeowners to investigate further for termite activity. While wood shavings can also indicate a wood-destroying insect presence, they more commonly suggest the activity of carpenter ants rather than termites. Discoloration could indicate various issues, including water damage or rot, but it does not specifically point to termites. Similarly, moisture stains can be indicative of leaks or other moisture-related problems, but they do not confirm a termite infestation. In contrast, frass distinctly signifies the likelihood of termites currently damaging wood materials.