Ornamental and Turf Pest Control Exam
Questions and Guide Answers
100% Verified Graded A+
1. Weeds are plants that grow where they are not wanted, disrupting turf grass
uniformity. T/F
Answer: True
2. Barnyardgrass is considered a dicot.
a. True
b. False
Answer: False
3. Which of the following statements is not true?
a. Biennial weeds require two ears to complete their life cycle.
b. Perennial weeds live only three years.
c. Annual weeds can germinate in spring and fall.
,d. Annuals and perennial include grass and broadleaf weeds.
Answer: b. Perennial weeds live only three years.
4. Which of the following cultural practices can have the most impact on
controlling annual weeds?
a. Fertility
b. Irrigation
c. Aeration
d. Mowing
Answer: d. Mowing
5. Which of the following statements is not true?
a. Preemergence herbicides should be applied before weed seed germina-
tion.
b. Postemergence herbicides are best applied to young weed seedlings.
c. Preemergence herbicides are best used for annual weed control.
d. Postemergence herbicides require ½ inch of water to activate control.
Answer: d. Postemergence herbicides require ½ inch of water to activate control.
6. What type of herbicide best controls perennial weeds?
a. Contact herbicide
, b. Selective herbicide
C. Systemic herbicide
d. Preemergence herbicide
Answer: C. Systemic herbicide
7. What is the ideal temperature range in which to apply herbicides?
a. Greater than 85 degrees F
b. 60 to 80 degrees F
c. 55 to 65 degrees F
d. 75 to 95 degrees F
Answer: b. 60 to 80 degrees F
8. Which of the following weeds is not an annual?
a. Prostrate knotweed
b. Barnyardgrass
c. Mouse-ear chickweed
d. Spurge
Answer: c. Mouse-ear chickweed
9. Which grassy weed spreads by rhizomes?
a. Bermudagrass
Questions and Guide Answers
100% Verified Graded A+
1. Weeds are plants that grow where they are not wanted, disrupting turf grass
uniformity. T/F
Answer: True
2. Barnyardgrass is considered a dicot.
a. True
b. False
Answer: False
3. Which of the following statements is not true?
a. Biennial weeds require two ears to complete their life cycle.
b. Perennial weeds live only three years.
c. Annual weeds can germinate in spring and fall.
,d. Annuals and perennial include grass and broadleaf weeds.
Answer: b. Perennial weeds live only three years.
4. Which of the following cultural practices can have the most impact on
controlling annual weeds?
a. Fertility
b. Irrigation
c. Aeration
d. Mowing
Answer: d. Mowing
5. Which of the following statements is not true?
a. Preemergence herbicides should be applied before weed seed germina-
tion.
b. Postemergence herbicides are best applied to young weed seedlings.
c. Preemergence herbicides are best used for annual weed control.
d. Postemergence herbicides require ½ inch of water to activate control.
Answer: d. Postemergence herbicides require ½ inch of water to activate control.
6. What type of herbicide best controls perennial weeds?
a. Contact herbicide
, b. Selective herbicide
C. Systemic herbicide
d. Preemergence herbicide
Answer: C. Systemic herbicide
7. What is the ideal temperature range in which to apply herbicides?
a. Greater than 85 degrees F
b. 60 to 80 degrees F
c. 55 to 65 degrees F
d. 75 to 95 degrees F
Answer: b. 60 to 80 degrees F
8. Which of the following weeds is not an annual?
a. Prostrate knotweed
b. Barnyardgrass
c. Mouse-ear chickweed
d. Spurge
Answer: c. Mouse-ear chickweed
9. Which grassy weed spreads by rhizomes?
a. Bermudagrass
