Texas Structural Pest Control – Weed Control
Exam Review with Answers and Rationales |
100% Pass Guaranteed | Graded A+
What is the primary goal of weed control?
A. Eliminate all plants
B. Improve soil fertility
C. Reduce unwanted plant competition
D. Increase pesticide use
Answer: C
Weed control focuses on reducing unwanted plants that compete
with desirable vegetation.
1. Annual weeds complete their life cycle in:
A. One season
B. Two years
C. Three years
D. Multiple years
Answer: A
Annual weeds germinate, grow, produce seed, and die within
one year.
2. Biennial weeds complete their life cycle in:
A. One season
B. Two growing seasons
C. Three years
D. Five years
Answer: B
Biennials typically grow vegetatively the first year and flower
the second.
3. Perennial weeds live:
A. Less than one year
B. Two years only
, C. More than two years
D. One season only
Answer: C
Perennials persist for many years and often reproduce
vegetatively.
4. Which structure allows many perennial weeds to spread
underground?
A. Seeds
B. Rhizomes
C. Leaves
D. Flowers
Answer: B
Rhizomes enable underground spread and make control more
difficult.
Herbicide Basics
6. A herbicide that kills only certain types of plants is:
A. Nonselective
B. Selective
C. Residual
D. Contact
Answer: B
Selective herbicides target specific plant groups such as grasses
or broadleaf weeds.
7. Glyphosate is an example of a:
A. Selective herbicide
B. Nonselective herbicide
C. Fungicide
D. Insecticide
Answer: B
, Glyphosate controls most plant species and is widely used for
total vegetation control.
8. Contact herbicides:
A. Move throughout the plant
B. Kill only the plant parts they touch
C. Work only in soil
D. Kill roots only
Answer: B
They do not translocate, so full coverage is important.
9. Systemic herbicides:
A. Remain on the leaf surface
B. Move within the plant
C. Work only in soil
D. Affect insects
Answer: B
Systemic herbicides move through vascular tissue to kill roots
and shoots.
10. Preemergence herbicides are applied:
A. After weeds flower
B. Before weeds emerge
C. Only during winter
D. After mowing
Answer: B
They prevent germination or early growth of weed seedlings.
Application & Equipment
11. The label is:
A. A suggestion
B. A legal document
C. Optional reading
Exam Review with Answers and Rationales |
100% Pass Guaranteed | Graded A+
What is the primary goal of weed control?
A. Eliminate all plants
B. Improve soil fertility
C. Reduce unwanted plant competition
D. Increase pesticide use
Answer: C
Weed control focuses on reducing unwanted plants that compete
with desirable vegetation.
1. Annual weeds complete their life cycle in:
A. One season
B. Two years
C. Three years
D. Multiple years
Answer: A
Annual weeds germinate, grow, produce seed, and die within
one year.
2. Biennial weeds complete their life cycle in:
A. One season
B. Two growing seasons
C. Three years
D. Five years
Answer: B
Biennials typically grow vegetatively the first year and flower
the second.
3. Perennial weeds live:
A. Less than one year
B. Two years only
, C. More than two years
D. One season only
Answer: C
Perennials persist for many years and often reproduce
vegetatively.
4. Which structure allows many perennial weeds to spread
underground?
A. Seeds
B. Rhizomes
C. Leaves
D. Flowers
Answer: B
Rhizomes enable underground spread and make control more
difficult.
Herbicide Basics
6. A herbicide that kills only certain types of plants is:
A. Nonselective
B. Selective
C. Residual
D. Contact
Answer: B
Selective herbicides target specific plant groups such as grasses
or broadleaf weeds.
7. Glyphosate is an example of a:
A. Selective herbicide
B. Nonselective herbicide
C. Fungicide
D. Insecticide
Answer: B
, Glyphosate controls most plant species and is widely used for
total vegetation control.
8. Contact herbicides:
A. Move throughout the plant
B. Kill only the plant parts they touch
C. Work only in soil
D. Kill roots only
Answer: B
They do not translocate, so full coverage is important.
9. Systemic herbicides:
A. Remain on the leaf surface
B. Move within the plant
C. Work only in soil
D. Affect insects
Answer: B
Systemic herbicides move through vascular tissue to kill roots
and shoots.
10. Preemergence herbicides are applied:
A. After weeds flower
B. Before weeds emerge
C. Only during winter
D. After mowing
Answer: B
They prevent germination or early growth of weed seedlings.
Application & Equipment
11. The label is:
A. A suggestion
B. A legal document
C. Optional reading
