Florida Wood-Destroying Organism
(WDO) Inspector Exam Questions with
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
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1. Carpenter ants typically:
A. Eat wood
B. Excavate wood to build nests
C. Produce mud tubes
D. Eat concrete
Answer: B
Rationale: They tunnel through wood but do not consume it.
2. Which condition is MOST attractive to termites?
A. Dry concrete
B. Moist, decaying wood
C. Metal structures
D. Painted steel
Answer: B
Rationale: Termites prefer moist, accessible wood.
3. A WDO inspector should ALWAYS begin inspection at:
A. Roof only
B. Exterior perimeter and foundation
C. Interior ceilings
D. Furniture
Answer: B
Rationale: Entry points are commonly near foundations.
,4. Which sign MOST strongly indicates active termite infestation?
A. Fresh paint
B. Mud tubes
C. Clean wood
D. Dry dust only
Answer: B
Rationale: Mud tubes are active termite pathways.
5. What is the purpose of probing wood during inspection?
A. Painting
B. Detect hidden damage or hollowness
C. Drying wood
D. Strengthening beams
Answer: B
Rationale: Probing reveals internal deterioration.
6. Powderpost beetles primarily damage:
A. Steel
B. Hardwoods
C. Glass
D. Plastic
Answer: B
Rationale: They infest hardwoods and reduce them to powder.
7. A WDO inspector notices small exit holes in wood. This is MOST likely
caused by:
A. Termites only
B. Wood-boring insects
C. Mold
D. Rust
Answer: B
Rationale: Exit holes are typical of beetle emergence.
8. Which area is MOST vulnerable to moisture intrusion?
A. Painted ceilings
B. Basements and crawl spaces
C. Glass windows
, D. Dry interior walls only
Answer: B
Rationale: Ground-level areas often retain moisture.
9. A WDO report should include:
A. Guesswork
B. Evidence of findings and locations
C. Marketing content
D. Home value estimate
Answer: B
Rationale: Reports must be factual and evidence-based.
10.Subterranean termites require contact with:
A. Air only
B. Soil moisture source
C. Light
D. Metal surfaces
Answer: B
Rationale: They rely on soil moisture for survival.
11.A WDO inspector finds fungal growth on wood. This indicates:
A. Dry conditions
B. Excess moisture problem
C. Electrical fault
D. Paint defect only
Answer: B
Rationale: Fungi require moisture to grow.
12.What is the MOST reliable sign of hidden termite activity?
A. Clean paint
B. Hollow-sounding wood
C. Bright lighting
D. Dry dust
Answer: B
Rationale: Internal damage often produces hollow sound.
13.Which tool helps detect hidden moisture behind walls?
A. Screwdriver only
(WDO) Inspector Exam Questions with
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf
1. Carpenter ants typically:
A. Eat wood
B. Excavate wood to build nests
C. Produce mud tubes
D. Eat concrete
Answer: B
Rationale: They tunnel through wood but do not consume it.
2. Which condition is MOST attractive to termites?
A. Dry concrete
B. Moist, decaying wood
C. Metal structures
D. Painted steel
Answer: B
Rationale: Termites prefer moist, accessible wood.
3. A WDO inspector should ALWAYS begin inspection at:
A. Roof only
B. Exterior perimeter and foundation
C. Interior ceilings
D. Furniture
Answer: B
Rationale: Entry points are commonly near foundations.
,4. Which sign MOST strongly indicates active termite infestation?
A. Fresh paint
B. Mud tubes
C. Clean wood
D. Dry dust only
Answer: B
Rationale: Mud tubes are active termite pathways.
5. What is the purpose of probing wood during inspection?
A. Painting
B. Detect hidden damage or hollowness
C. Drying wood
D. Strengthening beams
Answer: B
Rationale: Probing reveals internal deterioration.
6. Powderpost beetles primarily damage:
A. Steel
B. Hardwoods
C. Glass
D. Plastic
Answer: B
Rationale: They infest hardwoods and reduce them to powder.
7. A WDO inspector notices small exit holes in wood. This is MOST likely
caused by:
A. Termites only
B. Wood-boring insects
C. Mold
D. Rust
Answer: B
Rationale: Exit holes are typical of beetle emergence.
8. Which area is MOST vulnerable to moisture intrusion?
A. Painted ceilings
B. Basements and crawl spaces
C. Glass windows
, D. Dry interior walls only
Answer: B
Rationale: Ground-level areas often retain moisture.
9. A WDO report should include:
A. Guesswork
B. Evidence of findings and locations
C. Marketing content
D. Home value estimate
Answer: B
Rationale: Reports must be factual and evidence-based.
10.Subterranean termites require contact with:
A. Air only
B. Soil moisture source
C. Light
D. Metal surfaces
Answer: B
Rationale: They rely on soil moisture for survival.
11.A WDO inspector finds fungal growth on wood. This indicates:
A. Dry conditions
B. Excess moisture problem
C. Electrical fault
D. Paint defect only
Answer: B
Rationale: Fungi require moisture to grow.
12.What is the MOST reliable sign of hidden termite activity?
A. Clean paint
B. Hollow-sounding wood
C. Bright lighting
D. Dry dust
Answer: B
Rationale: Internal damage often produces hollow sound.
13.Which tool helps detect hidden moisture behind walls?
A. Screwdriver only
