How to eliminate dandelions
  • 1. What is the best time of year to eliminate dandelions for optimal results?
A) Spring
B) Winter
C) Fall
D) Summer
  • 2. Which of the following is a characteristic of dandelions that makes them difficult to eliminate?
A) Susceptibility to most herbicides
B) Long taproot
C) Annual life cycle
D) Shallow root system
  • 3. What is the most effective manual method for removing dandelions?
A) Pulling them out by hand
B) Cutting them at the surface
C) Covering them with mulch
D) Digging them out with a dandelion digger
  • 4. What type of herbicide is most effective against dandelions?
A) Post-emergent broadleaf herbicide
B) Pre-emergent herbicide
C) Non-selective herbicide
D) Grass-specific herbicide
  • 5. Which of these natural methods can help suppress dandelion growth?
A) Thick lawn
B) Sandy soil
C) Thin lawn
D) Infrequent watering
  • 6. What is the purpose of 'solarization' in dandelion control?
A) Providing shade
B) Heating the soil to kill seeds and plants
C) Fertilizing the soil
D) Improving drainage
  • 7. What is the risk of using non-selective herbicides?
A) They only kill dandelions
B) They are not effective against dandelions
C) They kill all plants, including grass
D) They are safe for all plants
  • 8. How does proper lawn care contribute to dandelion control?
A) It weakens the dandelions
B) It creates a dense turf that outcompetes dandelions
C) It has no effect on dandelion growth
D) It makes dandelions easier to pull
  • 9. Which part of the dandelion is responsible for seed dispersal?
A) The stem
B) The seed head (puffball)
C) The roots
D) The leaves
  • 10. What is a 'dandelion digger'?
A) A type of herbicide applicator
B) A tool designed to remove the entire dandelion root
C) A fertilizer specifically for dandelions
D) A machine for mowing dandelions
  • 11. What is the best way to dispose of dandelions after removal?
A) Buried shallowly in the garden
B) Left on the lawn to decompose
C) In a sealed bag to prevent seed dispersal
D) In a compost pile
  • 12. Which of the following soil conditions favors dandelion growth?
A) Neutral pH
B) Rich, fertile soil
C) Well-drained soil
D) Compacted soil
  • 13. What does 'pre-emergent' herbicide mean?
A) It only works on dandelions
B) It is a natural herbicide
C) It prevents weed seeds from germinating
D) It kills weeds after they emerge
  • 14. What is the benefit of overseeding your lawn?
A) It fertilizes the soil
B) It thickens the turf and reduces space for weeds
C) It makes the lawn look greener temporarily
D) It weakens existing weeds
  • 15. What is the primary nutrient needed for healthy lawn growth to combat weeds?
A) Nitrogen
B) Calcium
C) Phosphorus
D) Potassium
  • 16. Which of these is a sign of a healthy lawn that can resist dandelion infestation?
A) Dense turf
B) Thin, patchy grass
C) Frequent bare spots
D) Dry, compacted soil
  • 17. Why is it important to target dandelions before they flower?
A) To improve the lawn's appearance
B) Because herbicides are more effective on young plants
C) Because they are easier to pull when young
D) To prevent seed production and spread
  • 18. What does 'spot treating' with herbicide mean?
A) Applying herbicide to the entire lawn
B) Applying herbicide only to individual weeds
C) Applying herbicide after mowing
D) Applying herbicide before weeds emerge
  • 19. What is the potential impact of dandelions on the local ecosystem?
A) They improve soil health.
B) They can compete with native plants.
C) They prevent soil erosion.
D) They attract beneficial insects.
  • 20. Which of the following is a cultural control method for dandelions?
A) Soil solarization
B) Herbicide application
C) Manual removal
D) Proper mowing height
  • 21. What is the recommended mowing height for a lawn to discourage dandelions?
A) Very short (e.g., 1 inch)
B) It does not affect dandelion growth
C) Higher than average (e.g., 3 inches)
D) The shortest setting on your mower
  • 22. What should you do after digging out a dandelion to improve the lawn?
A) Cover the hole with mulch
B) Leave the hole open
C) Fill the hole with soil and grass seed
D) Fill the hole with herbicide
  • 23. How often should you reapply pre-emergent herbicide for effective control?
A) According to the product label
B) Once a year
C) Every month
D) Every week
  • 24. What protective gear should you wear when applying herbicides?
A) No protective gear is necessary
B) Just gloves
C) Gloves and eye protection
D) Just a mask
  • 25. Why is it important to water your lawn deeply and infrequently?
A) It encourages deep root growth, making the grass more resilient to weeds.
B) It washes away herbicides.
C) It weakens the grass.
D) It prevents dandelion seeds from germinating.
  • 26. What is the role of soil aeration in dandelion control?
A) It has no effect on dandelion growth.
B) It makes the soil more acidic.
C) It kills dandelion seeds.
D) It improves drainage and reduces compaction, creating a less favorable environment for dandelions.
  • 27. Which of the following is considered an organic method for dandelion control?
A) Ignoring the dandelions
B) Applying synthetic herbicides
C) Using vinegar as a spot treatment
D) Using pre-emergent herbicides
  • 28. What is the potential drawback of using vinegar as a dandelion control?
A) It is too expensive.
B) It attracts pests.
C) It is ineffective against dandelions.
D) It can also damage surrounding grass and plants.
  • 29. What is the meaning of 'biological control' in the context of dandelion removal?
A) Controlling dandelions by hand.
B) Using living organisms to control dandelion populations.
C) Using herbicides derived from natural sources.
D) Changing the soil composition.
  • 30. When should you avoid applying herbicides to your lawn?
A) On windy days
B) On rainy days
C) On sunny days
D) On any day that ends with 'y'
Created with That Quiz — the site for test creation and grading in math and other subjects.