Practice Test for Iowa Pest Core,
Category 2, & Category 6 Exam 2025
Questions and Answers
Leaving all of the dead and dying trees as they are - --CORRECT ANSWER--
Which of the following is NOT an example of a cultural control that could lessen
the effects of a forest insect pest?
A. Proper site selection
B. Proper thinning
C. Proper species selection
D. Adjustment of harvest age
E. Leaving all of the dead and dying trees as they are
Fosamine - --CORRECT ANSWER--Which of the following is a herbicide used in
forestry settings?
A. Chlorothalonil
B. Diazinon
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,C. Esfenvalerate
D. Fosamine
Preharvest interval - --CORRECT ANSWER--What is the term for the minimum
number of days allowed between a pesticide application and harvest?
A. Agricultural use requirement
B. Preharvest interval
C. Prenotification interval
D. Restricted entry interval
Agricultural Use Requirements - --CORRECT ANSWER--Where on a pesticide
label would an applicator find the required PPE for early entry into a treated area?
A. Statement of Practical Treatment
B. Precautionary Statements
C. Agricultural Use Requirements
D. Storage and Disposal
Lacewing - --CORRECT ANSWER--Which of the following is a natural enemy
insect path would be harmed by an insecticide application?
A. Cicada
B. Lacewing
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,C. Sawfly
D. Woodwasp
Carpenterworm - --CORRECT ANSWER--Which caterpillar has the largest moth?
A. Carpenterworm
B. Fall cankerworm
C. Variable oakleaf caterpillar
D. Walnut caterpillar
The amount of pesticide needed to kill one-half of a population of test animals - --
CORRECT ANSWER--What does the LD50 of a pesticide indicate?
A. The amount of pesticide needed to exceed residue tolerances for one-half of the
commodity grown.
B. The amount of pesticide needed to degrade to one-half its concentration in a
given time
C. The amount of pesticide needed to induce sickness in one-half of a population
of test animals
D. The amount of pesticide needed to kill one-half of a population of test animals
Metallic green adults longer than the width of a penny - --CORRECT ANSWER--
What symptom or sign is NOT associated with the emerald ash borer
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, A. Metallic green adults longer than the width of a penny
B. Larval galleries have a serpentine S-shape pattern
C. Cream white larvae with 10 bell-shaped abdominal segments
D. D-shaped emergence hole chewed through the ash tree bark
False - --CORRECT ANSWER--True or False: The Worker Protection Standard
(WPS) only applies to persons who actually handle pesticides.
False - --CORRECT ANSWER--True or False: General-use pesticides are not
covered by the WPS
How to Comply with the Worker Protection Standard for Agricultural Pesticides -
--CORRECT ANSWER--Which publication provides information to help you
comply with the WPS?
A. How to Comply with the Worker Protection Standard for Agricultural
Pesticides
B. Nature News
C. Farmers Almanac
Entering a greenhouse or other enclosed area after application and before the
inhalation exposure level listed on the product label has been reached or one of the
WPS ventilation criteria has been met - --CORRECT ANSWER--When does a
worker become a pesticide handler?
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Category 2, & Category 6 Exam 2025
Questions and Answers
Leaving all of the dead and dying trees as they are - --CORRECT ANSWER--
Which of the following is NOT an example of a cultural control that could lessen
the effects of a forest insect pest?
A. Proper site selection
B. Proper thinning
C. Proper species selection
D. Adjustment of harvest age
E. Leaving all of the dead and dying trees as they are
Fosamine - --CORRECT ANSWER--Which of the following is a herbicide used in
forestry settings?
A. Chlorothalonil
B. Diazinon
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
,C. Esfenvalerate
D. Fosamine
Preharvest interval - --CORRECT ANSWER--What is the term for the minimum
number of days allowed between a pesticide application and harvest?
A. Agricultural use requirement
B. Preharvest interval
C. Prenotification interval
D. Restricted entry interval
Agricultural Use Requirements - --CORRECT ANSWER--Where on a pesticide
label would an applicator find the required PPE for early entry into a treated area?
A. Statement of Practical Treatment
B. Precautionary Statements
C. Agricultural Use Requirements
D. Storage and Disposal
Lacewing - --CORRECT ANSWER--Which of the following is a natural enemy
insect path would be harmed by an insecticide application?
A. Cicada
B. Lacewing
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,C. Sawfly
D. Woodwasp
Carpenterworm - --CORRECT ANSWER--Which caterpillar has the largest moth?
A. Carpenterworm
B. Fall cankerworm
C. Variable oakleaf caterpillar
D. Walnut caterpillar
The amount of pesticide needed to kill one-half of a population of test animals - --
CORRECT ANSWER--What does the LD50 of a pesticide indicate?
A. The amount of pesticide needed to exceed residue tolerances for one-half of the
commodity grown.
B. The amount of pesticide needed to degrade to one-half its concentration in a
given time
C. The amount of pesticide needed to induce sickness in one-half of a population
of test animals
D. The amount of pesticide needed to kill one-half of a population of test animals
Metallic green adults longer than the width of a penny - --CORRECT ANSWER--
What symptom or sign is NOT associated with the emerald ash borer
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 3
, A. Metallic green adults longer than the width of a penny
B. Larval galleries have a serpentine S-shape pattern
C. Cream white larvae with 10 bell-shaped abdominal segments
D. D-shaped emergence hole chewed through the ash tree bark
False - --CORRECT ANSWER--True or False: The Worker Protection Standard
(WPS) only applies to persons who actually handle pesticides.
False - --CORRECT ANSWER--True or False: General-use pesticides are not
covered by the WPS
How to Comply with the Worker Protection Standard for Agricultural Pesticides -
--CORRECT ANSWER--Which publication provides information to help you
comply with the WPS?
A. How to Comply with the Worker Protection Standard for Agricultural
Pesticides
B. Nature News
C. Farmers Almanac
Entering a greenhouse or other enclosed area after application and before the
inhalation exposure level listed on the product label has been reached or one of the
WPS ventilation criteria has been met - --CORRECT ANSWER--When does a
worker become a pesticide handler?
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 4
