IOWA 3OT PESTICIDE EVALUATION EXAM 2026
QUESTIONS AND SOLUTIONS RATED A+
✔✔A practical technique to reduce potential drift damage to ornamental plants when
spraying turf for weed control is: - ✔✔Use a larger nozzle with low pressure
✔✔To reduce drift of pesticides: - ✔✔Keep nozzles close to the target pest or site
✔✔Which of the following turf herbicides is an example of a selective, translocated, and
post-emergence type? - ✔✔2,4-D
✔✔Which of the following statements best describe a sod webworm larva? - ✔✔Flesh
or gray color with small distinct black dots
✔✔Which of the following statements best describes an aphid? - ✔✔Multicolored, soft
bodied, sucks sap
✔✔Which formulation is most likely to cause phytotoxic injury? - ✔✔Emulsifiable
concentrate
✔✔Which of the following weeds is effectively controlled with post-emergence
herbicides in the fall? - ✔✔Dandelion
✔✔Which of the following are considered mechanical pest control methods? -
✔✔Mowing turf and wrapping tree trunks
✔✔You can identify prostrate spurge by the following: - ✔✔Prostrate growth
Tap root
Milky sap
✔✔Moths in the lawn that are grayish-tan,- 3/4 inch long with wings held close to the
body when resting usually are: - ✔✔Sod webworms
✔✔Pesticide persistence is important when: - ✔✔The treated soil is used for a different
planting
✔✔Which of the methods listed below is used to control borers? - ✔✔Wrap trees, apply
residual pesticides
✔✔Which of the following insects damage turf below the soil surface? - ✔✔Grubs
✔✔Fungi are: - ✔✔Plants that lack chlorophyll
QUESTIONS AND SOLUTIONS RATED A+
✔✔A practical technique to reduce potential drift damage to ornamental plants when
spraying turf for weed control is: - ✔✔Use a larger nozzle with low pressure
✔✔To reduce drift of pesticides: - ✔✔Keep nozzles close to the target pest or site
✔✔Which of the following turf herbicides is an example of a selective, translocated, and
post-emergence type? - ✔✔2,4-D
✔✔Which of the following statements best describe a sod webworm larva? - ✔✔Flesh
or gray color with small distinct black dots
✔✔Which of the following statements best describes an aphid? - ✔✔Multicolored, soft
bodied, sucks sap
✔✔Which formulation is most likely to cause phytotoxic injury? - ✔✔Emulsifiable
concentrate
✔✔Which of the following weeds is effectively controlled with post-emergence
herbicides in the fall? - ✔✔Dandelion
✔✔Which of the following are considered mechanical pest control methods? -
✔✔Mowing turf and wrapping tree trunks
✔✔You can identify prostrate spurge by the following: - ✔✔Prostrate growth
Tap root
Milky sap
✔✔Moths in the lawn that are grayish-tan,- 3/4 inch long with wings held close to the
body when resting usually are: - ✔✔Sod webworms
✔✔Pesticide persistence is important when: - ✔✔The treated soil is used for a different
planting
✔✔Which of the methods listed below is used to control borers? - ✔✔Wrap trees, apply
residual pesticides
✔✔Which of the following insects damage turf below the soil surface? - ✔✔Grubs
✔✔Fungi are: - ✔✔Plants that lack chlorophyll
