IOWA Pest Core, Category 2, & Category 6
Practice Test Questions & Answers
1.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
Answer Leaving all of the dead and dying trees as they are
2.Which of the following is a herbicide used in forestry settings?
A. Chlorothalonil
B. Diazinon
C. Esfenvalerate
D. Fosamine
Answer Fosamine
3.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
Answer Preharvest interval
4.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
Answer Agricultural Use Requirements
5.Which of the following is a natural enemy insect path would be harmed
by an insecticide application?
A. Cicada
B. Lacewing
C. Sawfly
D. Woodwasp
Answer Lacewing
6.Which caterpillar has the largest moth?
A. Carpenterworm
B. Fall cankerworm
C. Variable oakleaf caterpillar
D. Walnut caterpillar
Answer Carpenterworm
,7.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
popu- lation of test animals
D. The amount of pesticide needed to kill one-half of a population of test
animals
Answer The amount of pesticide needed to kill one-half of a
population of test animals
8.What symptom or sign is NOT associated with the emerald ash borer
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
Answer Metallic green adults longer than the width of a penny
9.True or False The Worker Protection Standard (WPS) only applies to
per- sons who actually handle pesticides.
Answer False
10.True or False General-use pesticides are not covered by the WPS
, Answer False
11.Which publication provides information to help you comply with the WPS
A. How to Comply with the Worker Protection Standard for Agricultural
Pesti- cides
B. Nature News
C. Farmers Almanac
Answer How to Comply with the Worker Protection Standard for
Agricultural Pesticides
12.When does a worker become a pesticide handler?
A. Handling pesticide containers that have been emptied and cleaned
accord- ing to product labeling
B. Handling unopened pesticide containers and not, at the same time,
involve in mixing, loading, applying, or cleaning
C. 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
D. Working in areas adjacent to where pesticides have been applied
Answer 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
13.True or False An employer where pesticides are applied must have, but
not display, a EPA WPS poster; the name, address, and telephone number
Practice Test Questions & Answers
1.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
Answer Leaving all of the dead and dying trees as they are
2.Which of the following is a herbicide used in forestry settings?
A. Chlorothalonil
B. Diazinon
C. Esfenvalerate
D. Fosamine
Answer Fosamine
3.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
Answer Preharvest interval
4.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
Answer Agricultural Use Requirements
5.Which of the following is a natural enemy insect path would be harmed
by an insecticide application?
A. Cicada
B. Lacewing
C. Sawfly
D. Woodwasp
Answer Lacewing
6.Which caterpillar has the largest moth?
A. Carpenterworm
B. Fall cankerworm
C. Variable oakleaf caterpillar
D. Walnut caterpillar
Answer Carpenterworm
,7.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
popu- lation of test animals
D. The amount of pesticide needed to kill one-half of a population of test
animals
Answer The amount of pesticide needed to kill one-half of a
population of test animals
8.What symptom or sign is NOT associated with the emerald ash borer
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
Answer Metallic green adults longer than the width of a penny
9.True or False The Worker Protection Standard (WPS) only applies to
per- sons who actually handle pesticides.
Answer False
10.True or False General-use pesticides are not covered by the WPS
, Answer False
11.Which publication provides information to help you comply with the WPS
A. How to Comply with the Worker Protection Standard for Agricultural
Pesti- cides
B. Nature News
C. Farmers Almanac
Answer How to Comply with the Worker Protection Standard for
Agricultural Pesticides
12.When does a worker become a pesticide handler?
A. Handling pesticide containers that have been emptied and cleaned
accord- ing to product labeling
B. Handling unopened pesticide containers and not, at the same time,
involve in mixing, loading, applying, or cleaning
C. 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
D. Working in areas adjacent to where pesticides have been applied
Answer 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
13.True or False An employer where pesticides are applied must have, but
not display, a EPA WPS poster; the name, address, and telephone number
