Georgia Pesticide Applicators Exam| 100
Questions and Correct answers
d. When man's activities deform and rebuild the earth's surface - ✔✔A.
A plant has the following symptoms. Yellow bands form around the leaf veins, and the
plant is stunted. What is the most likely cause for this disease?
a) Nematode
b) virus
c) fungus
d) bacterium - ✔✔B.
Why should we protect endangered species?
a. many medicines are derived from plants
b. genetic material of wild species is used to revitalize domestic species
c. if a species becomes extinct, it can never be recovered
d. all of the above - ✔✔d.
Which of the following is not an inorganic fungicide?
a. sulfur
b. copper oxide
c. captan
Bordeaux Mixture - ✔✔c.
Fusarium wilt is often caused by an interaction between what two organisms?
a. nematodes and fungi
,b. nematodes and bacteria
c. nematodes and virus
d. all of the above - ✔✔a
Which of the following is a principle cause of the decline of plant and animal species?
a. pesticides
b.legal hunting activities
c. pollution
d. loss of habitat - ✔✔d
T/F Soil fumigants are the only pesticide option to control nematodes. - ✔✔f
Which of the following federal agencies regulates pesticides to protect endangered
species?
a. U.S. EPA
b. USDA
c. U.S. Fish and Wildlife Service
d. U.S. Forest Service - ✔✔a
T/F A warm season annual is a plant that emerges from seed in the fall and dies before
summer. - ✔✔f
What types of annual broadleaf weeds are the most difficult to control with
preemergence herbicides?
a. small seeded broadleaf because the herbicide is less likely to contact the seed.
b. large seeded broadleaf because the seeds may emerge below the herbicide zone
, c. broadleaves with burr seeds (cockleburr) because the burrs provide protection from
herbicides
d. broadleaves with any size seeds that emerge very near the soil surface. - ✔✔b
T/F Soil-applied preemergence herbicides are generally more effective if they are
applied after the weed seeds germinate. - ✔✔f
T/F A selective herbicide is one that is selected by the Georgia Coorperative Extension
Service because it will control a wide range of broadleaf weeds and grasses. - ✔✔f
T/F Some contact herbicides may provide residual control as well as contact kill. -
✔✔t
Why are some weeds named annuals?
a. because you will see them nearly every year
b. because they have vegetative plant parts which permit survival from year to year
c. because they have a one year life cycle
d. because the latin word "nuual" refers to plants that produce large numbers of seeds -
✔✔c
You can prevent significant economic losses due o weeds if you keep the crop free of
weeds for this period.
a. ten weeks after crop emergence
b. four to seven weeks after crop emergence
c. four to seven weeks before the crop sets fruit
d. four to seven weeks during the middle part of the growing season - ✔✔b
Questions and Correct answers
d. When man's activities deform and rebuild the earth's surface - ✔✔A.
A plant has the following symptoms. Yellow bands form around the leaf veins, and the
plant is stunted. What is the most likely cause for this disease?
a) Nematode
b) virus
c) fungus
d) bacterium - ✔✔B.
Why should we protect endangered species?
a. many medicines are derived from plants
b. genetic material of wild species is used to revitalize domestic species
c. if a species becomes extinct, it can never be recovered
d. all of the above - ✔✔d.
Which of the following is not an inorganic fungicide?
a. sulfur
b. copper oxide
c. captan
Bordeaux Mixture - ✔✔c.
Fusarium wilt is often caused by an interaction between what two organisms?
a. nematodes and fungi
,b. nematodes and bacteria
c. nematodes and virus
d. all of the above - ✔✔a
Which of the following is a principle cause of the decline of plant and animal species?
a. pesticides
b.legal hunting activities
c. pollution
d. loss of habitat - ✔✔d
T/F Soil fumigants are the only pesticide option to control nematodes. - ✔✔f
Which of the following federal agencies regulates pesticides to protect endangered
species?
a. U.S. EPA
b. USDA
c. U.S. Fish and Wildlife Service
d. U.S. Forest Service - ✔✔a
T/F A warm season annual is a plant that emerges from seed in the fall and dies before
summer. - ✔✔f
What types of annual broadleaf weeds are the most difficult to control with
preemergence herbicides?
a. small seeded broadleaf because the herbicide is less likely to contact the seed.
b. large seeded broadleaf because the seeds may emerge below the herbicide zone
, c. broadleaves with burr seeds (cockleburr) because the burrs provide protection from
herbicides
d. broadleaves with any size seeds that emerge very near the soil surface. - ✔✔b
T/F Soil-applied preemergence herbicides are generally more effective if they are
applied after the weed seeds germinate. - ✔✔f
T/F A selective herbicide is one that is selected by the Georgia Coorperative Extension
Service because it will control a wide range of broadleaf weeds and grasses. - ✔✔f
T/F Some contact herbicides may provide residual control as well as contact kill. -
✔✔t
Why are some weeds named annuals?
a. because you will see them nearly every year
b. because they have vegetative plant parts which permit survival from year to year
c. because they have a one year life cycle
d. because the latin word "nuual" refers to plants that produce large numbers of seeds -
✔✔c
You can prevent significant economic losses due o weeds if you keep the crop free of
weeds for this period.
a. ten weeks after crop emergence
b. four to seven weeks after crop emergence
c. four to seven weeks before the crop sets fruit
d. four to seven weeks during the middle part of the growing season - ✔✔b
