Texas Agricultural Stored Product Pest Control
Examination Review with Answers and
Rationales | 100% Pass Guaranteed | Graded A+
1 .The primary goal of stored product pest control is to:
A. Increase grain moisture
B. Improve grain color
C. Prevent loss of quality and quantity
D. Increase insect resistance
Stored product pests reduce weight, quality, and market value;
prevention protects both.
2. Which condition most favors insect development in stored
grain?
A. Low temperature and low moisture
B. Warm temperature and high moisture
C. High airflow and low humidity
D. Freezing temperatures
Most storage pests thrive in warm, moist environments.
3. Grain moisture content should generally be below:
A. 18%
B. 16%
C. 13%
D. 20%
Moisture below about 13% significantly reduces insect and mold
development.
, 4. The most effective long-term stored grain protection method
is:
A. Weekly insecticide spraying
B. Sanitation and proper storage conditions
C. Daily fumigation
D. Adding water
Prevention through sanitation and environmental control is the
foundation of IPM.
5. Which life stage of stored product insects is often hidden inside
kernels?
A. Adult
B. Larva
C. Egg on surface
D. Pupa on walls
Internal feeders like weevils develop as larvae inside the grain.
Pest Identification
6. The rice weevil is identified by:
A. No wings
B. Hairy body
C. Four light-colored spots on wing covers
D. Blue coloration
Rice weevils have characteristic pale spots on the elytra.
7. Which pest is an external feeder?
A. Maize weevil
B. Rice weevil
, C. Red flour beetle
D. Lesser grain borer
Flour beetles feed on broken grain and processed products.
8. The lesser grain borer is known for:
A. Feeding only on flour
B. Boring into whole kernels
C. Living only outside grain
D. Preferring cold storage
It is a primary pest capable of attacking intact grain.
9. Indian meal moth larvae typically feed:
A. Inside whole kernels
B. On live plants
C. On processed or broken grain and products
D. Only on wood
They are common in processed foods and damaged grain.
10. Webbing in stored grain is commonly associated with:
A. Weevils
B. Beetles
C. Moths
D. Mites
Moth larvae produce silk webbing as they feed.
Monitoring and Inspection
11. The best time to inspect stored grain is:
A. Once per year
Examination Review with Answers and
Rationales | 100% Pass Guaranteed | Graded A+
1 .The primary goal of stored product pest control is to:
A. Increase grain moisture
B. Improve grain color
C. Prevent loss of quality and quantity
D. Increase insect resistance
Stored product pests reduce weight, quality, and market value;
prevention protects both.
2. Which condition most favors insect development in stored
grain?
A. Low temperature and low moisture
B. Warm temperature and high moisture
C. High airflow and low humidity
D. Freezing temperatures
Most storage pests thrive in warm, moist environments.
3. Grain moisture content should generally be below:
A. 18%
B. 16%
C. 13%
D. 20%
Moisture below about 13% significantly reduces insect and mold
development.
, 4. The most effective long-term stored grain protection method
is:
A. Weekly insecticide spraying
B. Sanitation and proper storage conditions
C. Daily fumigation
D. Adding water
Prevention through sanitation and environmental control is the
foundation of IPM.
5. Which life stage of stored product insects is often hidden inside
kernels?
A. Adult
B. Larva
C. Egg on surface
D. Pupa on walls
Internal feeders like weevils develop as larvae inside the grain.
Pest Identification
6. The rice weevil is identified by:
A. No wings
B. Hairy body
C. Four light-colored spots on wing covers
D. Blue coloration
Rice weevils have characteristic pale spots on the elytra.
7. Which pest is an external feeder?
A. Maize weevil
B. Rice weevil
, C. Red flour beetle
D. Lesser grain borer
Flour beetles feed on broken grain and processed products.
8. The lesser grain borer is known for:
A. Feeding only on flour
B. Boring into whole kernels
C. Living only outside grain
D. Preferring cold storage
It is a primary pest capable of attacking intact grain.
9. Indian meal moth larvae typically feed:
A. Inside whole kernels
B. On live plants
C. On processed or broken grain and products
D. Only on wood
They are common in processed foods and damaged grain.
10. Webbing in stored grain is commonly associated with:
A. Weevils
B. Beetles
C. Moths
D. Mites
Moth larvae produce silk webbing as they feed.
Monitoring and Inspection
11. The best time to inspect stored grain is:
A. Once per year
