Exam Questions and Correct Answers
Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1.
Which insect is considered the most destructive wood-destroying pest
in Kentucky?
A. House fly
B. Subterranean termite
C. Lady beetle
D. Mosquito
Answer: B. Subterranean termite
Rationale: Subterranean termites are the primary wood-destroying
insects in Kentucky and can cause severe structural damage.
2.
,What moisture content in wood is most favorable for termite activity?
A. Below 5%
B. 8–10%
C. Above 20%
D. 100%
Answer: C. Above 20%
Rationale: Termites are attracted to moist wood, and moisture levels
above 20% encourage infestation and decay.
3.
Which beetle commonly attacks seasoned hardwood flooring and
furniture?
A. Powderpost beetle
B. June beetle
C. Ground beetle
D. Click beetle
Answer: A. Powderpost beetle
Rationale: Powderpost beetles infest dry hardwoods and leave fine
powder-like frass behind.
,4.
Carpenter ants damage wood primarily by:
A. Eating the wood for food
B. Excavating galleries for nesting
C. Injecting venom into wood
D. Carrying fungi into lumber
Answer: B. Excavating galleries for nesting
Rationale: Carpenter ants do not consume wood but tunnel through it
to build nests.
5.
Which condition most often leads to wood decay fungi growth?
A. Dry air
B. Low humidity
C. Excess moisture
D. Cold temperatures
Answer: C. Excess moisture
Rationale: Wood decay fungi require moisture to grow and decompose
wood fibers.
, 6.
What is the purpose of pressure treatment in wood preservation?
A. To dry wood faster
B. To improve paint adhesion
C. To force preservatives deep into the wood
D. To soften hardwoods
Answer: C. To force preservatives deep into the wood
Rationale: Pressure treatment drives preservatives into the wood for
long-lasting protection against insects and decay.
7.
Which termite caste is responsible for causing structural damage?
A. Soldiers
B. Workers
C. Reproductives
D. Swarmers