IOWA 3OT PESTICIDE FINAL EXAM 2026 ACTUAL
QUESTIONS AND SOLUTIONS RATED A+
✔✔Which of the following insects damage turf below the soil surface? - ✔✔Grubs
✔✔Fungi are: - ✔✔Plants that lack chlorophyll
✔✔The "frog-eye" pattern characteristic of summer patch may appear: - ✔✔Circular,
crescent and/or serpentine shape
✔✔Damage level that is unacceptable to the viewer is referred to as_____? -
✔✔aesthetic threshold
✔✔What is the first thing you should do when you detect the presence of a pest? -
✔✔Identify the organism
✔✔Which of the following is NOT considered a factor that can inactivate some
herbicides? - ✔✔Formulation
✔✔A dry, sunken, discolored, localized lesion on a plant stem is referred to as a
________. - ✔✔Canker
✔✔How many pairs of prolegs do sawflies have? - ✔✔More than 5 pairs
✔✔Nursery stock sold without soil attached is called ________. - ✔✔Bare root
✔✔The fading of green plant color to light green, yellow, or white tissues is referred to
as ________. - ✔✔Chlorosis
✔✔Which activity encourages weed infestations at an ornamental planting site? -
✔✔Cultivating the soil too deeply
✔✔Which turf monitoring method does NOT involve liquids? - ✔✔Pitfall trap
✔✔A detectable change to a plant without physical evidence of the pest a ________. -
✔✔Symptom
✔✔Which of the following is protected by Federal Law? - ✔✔Canada geese
✔✔What vertebrate pest of turfgrasses feeds on earthworms and white grubs? -
✔✔Moles
✔✔Which weed classification produces a rosette? - ✔✔Biennial
, ✔✔Which of the following is NOT a technique to ensure consistent performance from
pre-emergence herbicides? - ✔✔Avoid mowing the area
✔✔Which certification category is appropriate for spraying a pesticide on turfgrass to
prevent a pest from entering a home? - ✔✔7A
✔✔Which of the following body structures aids in the identification of white grubs? -
✔✔Raster
✔✔Mowing a turfgrass area immediately prior to spraying an insecticide to remove
flowering seed-heads will benefit what organism? - ✔✔Pollinators
✔✔Which of the following is a factor to be considered before using herbicides in an
ornamental site. - ✔✔Pre-emergent herbicides hinder herbaceous plant emergence
✔✔ Which combination will create the greatest drift hazard? - ✔✔High Pressure - Small
Orifice
✔✔You must know the persistence of pesticides you apply to ornamental and turf
areas, especially where: - ✔✔A garden is nearby
Powder is applied
Humans, pets, or other animals are present
✔✔The minimum period of time to keep children, adults, pets, and domestic animals
from contact with sprayed turf is: - ✔✔Until the turf is dry
✔✔Which of the following turfgrass diseases can be severe in July and August in Iowa?
- ✔✔Summer patch
✔✔Which one of the following weeds is a perennial, broadleaf weed? - ✔✔Field
bindweed
✔✔Powdery mildew is identified by the presence of: - ✔✔Fluffy, grayish-white blotches
on leaves and flowering parts
✔✔Small, green or brown insects (3/ie inch long) which jump or fly when disturbed are:
- ✔✔Leafhoppers
✔✔Which of the following insecticides would be the best choice if all will adequately
control the target pest? - ✔✔One with the signal word "Caution"
QUESTIONS AND SOLUTIONS RATED A+
✔✔Which of the following insects damage turf below the soil surface? - ✔✔Grubs
✔✔Fungi are: - ✔✔Plants that lack chlorophyll
✔✔The "frog-eye" pattern characteristic of summer patch may appear: - ✔✔Circular,
crescent and/or serpentine shape
✔✔Damage level that is unacceptable to the viewer is referred to as_____? -
✔✔aesthetic threshold
✔✔What is the first thing you should do when you detect the presence of a pest? -
✔✔Identify the organism
✔✔Which of the following is NOT considered a factor that can inactivate some
herbicides? - ✔✔Formulation
✔✔A dry, sunken, discolored, localized lesion on a plant stem is referred to as a
________. - ✔✔Canker
✔✔How many pairs of prolegs do sawflies have? - ✔✔More than 5 pairs
✔✔Nursery stock sold without soil attached is called ________. - ✔✔Bare root
✔✔The fading of green plant color to light green, yellow, or white tissues is referred to
as ________. - ✔✔Chlorosis
✔✔Which activity encourages weed infestations at an ornamental planting site? -
✔✔Cultivating the soil too deeply
✔✔Which turf monitoring method does NOT involve liquids? - ✔✔Pitfall trap
✔✔A detectable change to a plant without physical evidence of the pest a ________. -
✔✔Symptom
✔✔Which of the following is protected by Federal Law? - ✔✔Canada geese
✔✔What vertebrate pest of turfgrasses feeds on earthworms and white grubs? -
✔✔Moles
✔✔Which weed classification produces a rosette? - ✔✔Biennial
, ✔✔Which of the following is NOT a technique to ensure consistent performance from
pre-emergence herbicides? - ✔✔Avoid mowing the area
✔✔Which certification category is appropriate for spraying a pesticide on turfgrass to
prevent a pest from entering a home? - ✔✔7A
✔✔Which of the following body structures aids in the identification of white grubs? -
✔✔Raster
✔✔Mowing a turfgrass area immediately prior to spraying an insecticide to remove
flowering seed-heads will benefit what organism? - ✔✔Pollinators
✔✔Which of the following is a factor to be considered before using herbicides in an
ornamental site. - ✔✔Pre-emergent herbicides hinder herbaceous plant emergence
✔✔ Which combination will create the greatest drift hazard? - ✔✔High Pressure - Small
Orifice
✔✔You must know the persistence of pesticides you apply to ornamental and turf
areas, especially where: - ✔✔A garden is nearby
Powder is applied
Humans, pets, or other animals are present
✔✔The minimum period of time to keep children, adults, pets, and domestic animals
from contact with sprayed turf is: - ✔✔Until the turf is dry
✔✔Which of the following turfgrass diseases can be severe in July and August in Iowa?
- ✔✔Summer patch
✔✔Which one of the following weeds is a perennial, broadleaf weed? - ✔✔Field
bindweed
✔✔Powdery mildew is identified by the presence of: - ✔✔Fluffy, grayish-white blotches
on leaves and flowering parts
✔✔Small, green or brown insects (3/ie inch long) which jump or fly when disturbed are:
- ✔✔Leafhoppers
✔✔Which of the following insecticides would be the best choice if all will adequately
control the target pest? - ✔✔One with the signal word "Caution"
