Iowa
Iowa Pesticide Exam C and 2 Study
Questions and Answers Top Graded
2024
Which of the following is a herbicide used in forestry settings? - Fosamine
Where on a pesticide label would an applicator find the required PPE for early entry into
a treated area? - Agricultural Use Requirements
Which of the following is a natural enemy insect that would be harmed by an insecticide
application? - Lacewing
Which caterpillar has the largest moth? - Carpenterworm
What does the LD50of a pesticide indicate? - The amount of pesticide needed to kill
one-half of a population of test
animals
Which of the following is a fungicide used in forestry settings? - Iprodione
The groundwater ubiquity score (GUS) is a function of? - Soil half-life and sorption
coefficient
Which of the following does NOT need to be displayed for workers in an agricultural
establishment, according to the Worker Protection Standard? - The pest(s) controlled by
the pesticide application
Which statement is true about oak wilt? - Spread by insects, it is most serious in late
spring and summer
The borer that ejects frass and wood slivers from its tunnel, and causes wet spots and
discolored patches of bark on the host tree is the? - Red oak borer
Where must decontamination supplies be located for workers and handlers in a forest
setting? - At the access point for workers/handlers
The phenomenon whereby a herbicide applied to a target tree moves to nontarget
trees
is called? - Flashback
What is the name of the insect that will stay up to five years in the soil before it emerges
as an adult during the summer? - Acorn weevil
Iowa Pesticide Exam C and 2 Study Questions and Answers Top Graded 2024
,Iowa
An example of an unwanted side effect from a pesticide application is? - A minor pest
developing a large population
The defoliator that produces a protective web around host foliage and branches is
called the? - Eastern tent caterpillar
Which caterpillar hatches from eggs in April or early May, feeds on developing host
leaves, uses silk for dispersal, pupates in the soil, and has wingless female adults? -
Fall cankerworm
Which of the following statements is true about LD50? - Can be found on the on MSDS
Which postemergence herbicide is useful to control woody shrubs adjacent to bodies of
water? - Fosamine
How often should the filters in chemical cartridge respirators be changed during regular
pesticide spraying? - Once a day
Which of the following is a practice that can reduce nontarget damage from a pesticide
application? - Select a product that is less toxic to nontarget
species
The restricted-entry interval statement on a pesticide label is the time that must pass? -
Before the treated area is safe to enter without wearing PPE
What is the vector of pine wilt disease? - Monochamus long horned beetle
Sucking insect pests of forest trees includes all of the following except? - Caterpillars
A pesticide that adsorbs to soil particles is __________ likely to move from a spray site
compared to a pesticide that does not adsorb tightly to the soil? - Less
At what time should an aerial application of a foliar insecticide be made to best protect
honeybee populations? - When bees are not
foraging
Because Iowa does not have extensive pine species planted for logging interests, which
of the following is NOT considered a major threat to Midwest forests when it arrives? -
Sirex wood
wasp
Which of the following is an insecticide used in forestry settings? - Malathion
Which of the following is a potentially destructive new disease for Iowa's forests? -
Iowa Pesticide Exam C and 2 Study Questions and Answers Top Graded 2024
, Iowa
Thousand cankers
Which of the following is NOT involved in tree stand improvement? - Removing
understory trees
Which of the following is NOT a biological control agent? - Phloem-feeders
Which of the following describes plant injury resulting from a pesticide application to a
plant? - Phytotoxicity
Which type of pesticide does the Worker Protection Standard cover? - Both A and B
(General and restricted use pesticides)
Best way to control tree cankers is to? - Use resistant cultivars
Canker diseases not only disfigure trees, they also create entry points for? - Woody
decay
What is the name of that part of the pesticide formulation that actually controls the target
organism? - Active ingredient
What is a disadvantage of dust formulations? - Drift off-target during application
Bacillus thuringiensis is a specific pesticide to which of the following organisms? -
Caterpillar
s
What is a disadvantage of using an ultra low volume concentration formulation? - It
needs specialized equipment to apply
According to the Iowa Bee Rule (2009), what limitation is placed on commercial
pesticide applicators when applying insecticides within one mile of a registered bee
hive? - No applications from 8am to 6PM on blooming crops
Many forest plant diseases can be controlled? - Before infection occurs
Symptoms of a plant disease include all of the following except? - Exit holes
Which of the following is NOT true about Dutch elm disease? - Is worsened by pruning
wounds
One way to avoid destroying natural enemies of pests is to use? - Pesticides labeled as
less toxic to natural enemies
One precaution that should be taken when mixing and loading pesticides is? - Wear
Iowa Pesticide Exam C and 2 Study Questions and Answers Top Graded 2024
Iowa Pesticide Exam C and 2 Study
Questions and Answers Top Graded
2024
Which of the following is a herbicide used in forestry settings? - Fosamine
Where on a pesticide label would an applicator find the required PPE for early entry into
a treated area? - Agricultural Use Requirements
Which of the following is a natural enemy insect that would be harmed by an insecticide
application? - Lacewing
Which caterpillar has the largest moth? - Carpenterworm
What does the LD50of a pesticide indicate? - The amount of pesticide needed to kill
one-half of a population of test
animals
Which of the following is a fungicide used in forestry settings? - Iprodione
The groundwater ubiquity score (GUS) is a function of? - Soil half-life and sorption
coefficient
Which of the following does NOT need to be displayed for workers in an agricultural
establishment, according to the Worker Protection Standard? - The pest(s) controlled by
the pesticide application
Which statement is true about oak wilt? - Spread by insects, it is most serious in late
spring and summer
The borer that ejects frass and wood slivers from its tunnel, and causes wet spots and
discolored patches of bark on the host tree is the? - Red oak borer
Where must decontamination supplies be located for workers and handlers in a forest
setting? - At the access point for workers/handlers
The phenomenon whereby a herbicide applied to a target tree moves to nontarget
trees
is called? - Flashback
What is the name of the insect that will stay up to five years in the soil before it emerges
as an adult during the summer? - Acorn weevil
Iowa Pesticide Exam C and 2 Study Questions and Answers Top Graded 2024
,Iowa
An example of an unwanted side effect from a pesticide application is? - A minor pest
developing a large population
The defoliator that produces a protective web around host foliage and branches is
called the? - Eastern tent caterpillar
Which caterpillar hatches from eggs in April or early May, feeds on developing host
leaves, uses silk for dispersal, pupates in the soil, and has wingless female adults? -
Fall cankerworm
Which of the following statements is true about LD50? - Can be found on the on MSDS
Which postemergence herbicide is useful to control woody shrubs adjacent to bodies of
water? - Fosamine
How often should the filters in chemical cartridge respirators be changed during regular
pesticide spraying? - Once a day
Which of the following is a practice that can reduce nontarget damage from a pesticide
application? - Select a product that is less toxic to nontarget
species
The restricted-entry interval statement on a pesticide label is the time that must pass? -
Before the treated area is safe to enter without wearing PPE
What is the vector of pine wilt disease? - Monochamus long horned beetle
Sucking insect pests of forest trees includes all of the following except? - Caterpillars
A pesticide that adsorbs to soil particles is __________ likely to move from a spray site
compared to a pesticide that does not adsorb tightly to the soil? - Less
At what time should an aerial application of a foliar insecticide be made to best protect
honeybee populations? - When bees are not
foraging
Because Iowa does not have extensive pine species planted for logging interests, which
of the following is NOT considered a major threat to Midwest forests when it arrives? -
Sirex wood
wasp
Which of the following is an insecticide used in forestry settings? - Malathion
Which of the following is a potentially destructive new disease for Iowa's forests? -
Iowa Pesticide Exam C and 2 Study Questions and Answers Top Graded 2024
, Iowa
Thousand cankers
Which of the following is NOT involved in tree stand improvement? - Removing
understory trees
Which of the following is NOT a biological control agent? - Phloem-feeders
Which of the following describes plant injury resulting from a pesticide application to a
plant? - Phytotoxicity
Which type of pesticide does the Worker Protection Standard cover? - Both A and B
(General and restricted use pesticides)
Best way to control tree cankers is to? - Use resistant cultivars
Canker diseases not only disfigure trees, they also create entry points for? - Woody
decay
What is the name of that part of the pesticide formulation that actually controls the target
organism? - Active ingredient
What is a disadvantage of dust formulations? - Drift off-target during application
Bacillus thuringiensis is a specific pesticide to which of the following organisms? -
Caterpillar
s
What is a disadvantage of using an ultra low volume concentration formulation? - It
needs specialized equipment to apply
According to the Iowa Bee Rule (2009), what limitation is placed on commercial
pesticide applicators when applying insecticides within one mile of a registered bee
hive? - No applications from 8am to 6PM on blooming crops
Many forest plant diseases can be controlled? - Before infection occurs
Symptoms of a plant disease include all of the following except? - Exit holes
Which of the following is NOT true about Dutch elm disease? - Is worsened by pruning
wounds
One way to avoid destroying natural enemies of pests is to use? - Pesticides labeled as
less toxic to natural enemies
One precaution that should be taken when mixing and loading pesticides is? - Wear
Iowa Pesticide Exam C and 2 Study Questions and Answers Top Graded 2024
