How to Identify and Classify Leeks - Quiz
  • 1. What plant family do leeks belong to?
A) Alliaceae
B) Asteraceae
C) Brassicaceae
D) Solanaceae
  • 2. The edible portion of a leek is primarily the:
A) Seed
B) Stem and lower leaves
C) Root
D) Flower
  • 3. What color is the 'shaft' of a well-blanched leek?
A) Green
B) Purple
C) White
D) Brown
  • 4. Which characteristic is MOST important when judging leek quality?
A) Root Size
B) Cleanliness
C) Stem Length
D) Number of Leaves
  • 5. What does 'bolting' in a leek refer to?
A) Root rot
B) Rapid growth
C) Premature flowering
D) Leaf blight
  • 6. What is a common pest that affects leeks?
A) Spider mites
B) Cabbage worms
C) Onion thrips
D) Aphids
  • 7. Which soil type is generally best for growing leeks?
A) Sandy soil
B) Clay soil
C) Well-drained loam
D) Rocky soil
  • 8. What is the typical spacing between leek plants?
A) 6-8 inches
B) 2-4 inches
C) 12-18 inches
D) 24-36 inches
  • 9. Which of these is a characteristic of the 'Bandit' leek variety?
A) Strong onion flavor
B) Large size
C) Purple leaves
D) Early maturing
  • 10. What is the purpose of 'earthing up' leeks?
A) To support the plant
B) To blanch the stem
C) To prevent pests
D) To fertilize the roots
  • 11. Leeks are typically harvested in which season?
A) Summer
B) Fall and Winter
C) Spring
D) Late Spring
  • 12. What shape are leek seeds?
A) Round and Brown
B) Flat and Red
C) Angular and Black
D) Oval and White
  • 13. Which of these is a disease that can affect leeks?
A) Powdery Mildew
B) Black Spot
C) White Rot
D) Rust
  • 14. How do you differentiate a leek from a green onion?
A) Green onions are always white at the base.
B) Leeks always have purple tips.
C) Leeks have a milder flavor and larger size.
D) Green onions are harvested with the roots.
  • 15. What is the best way to store harvested leeks?
A) At room temperature, washed.
B) In the freezer, chopped.
C) In direct sunlight, uncovered.
D) In the refrigerator, unwashed, in a plastic bag.
  • 16. What is a key difference between short-day and long-day leek varieties?
A) Short-day leeks are always larger.
B) Short-day leeks mature earlier in the season.
C) Long-day leeks are more resistant to pests.
D) Long-day leeks have a stronger flavor.
  • 17. Which nutrient is MOST important for leek growth?
A) Potassium
B) Nitrogen
C) Phosphorus
D) Calcium
  • 18. What planting method encourages long, white shafts?
A) Planting on a slope.
B) Planting on a raised bed.
C) Planting in containers.
D) Planting in a trench and gradually filling it in.
  • 19. Why is crop rotation important when growing leeks?
A) To prevent soil-borne diseases and pests.
B) To increase sunlight exposure.
C) To improve soil drainage.
D) To make harvesting easier.
  • 20. What is the ideal pH level for leek cultivation?
A) 7.5-8.5
B) 4.0-5.0
C) 6.0-7.0
D) 8.5-9.5
  • 21. Which continent did leeks originate from?
A) Africa
B) Europe
C) South America
D) Asia
  • 22. What is the botanical name for leeks?
A) Allium schoenoprasum
B) Allium ampeloprasum var. porrum
C) Allium sativum
D) Allium cepa
  • 23. How do you prepare leeks before cooking?
A) Peel the outer layer off.
B) Thoroughly wash between the layers.
C) Soak in saltwater to remove any dirt.
D) Trim the roots and the green tops entirely.
  • 24. Which of the following is NOT a way to propagate leeks?
A) Transplants
B) Cuttings
C) Division (occasionally)
D) Seeds
  • 25. Which of the following best describes the flavor profile of a leek?
A) Spicy and pungent
B) Mild onion-like
C) Bitter and herbaceous
D) Sweet and garlicky
  • 26. What is a 'leek moth'?
A) A hybrid variety of leek.
B) A pest that burrows into leek leaves.
C) A beneficial insect that pollinates leeks.
D) A type of fertilizer made from leeks.
  • 27. What is the proper technique for planting leek seedlings?
A) Make a hole with a dibber and drop the seedling in.
B) Plant the seedlings in clusters.
C) Bury the seedlings deeply, covering the first leaves.
D) Lay the seedlings flat on the soil surface.
  • 28. How does consistent watering impact leek development?
A) Increases the strength of the onion flavor.
B) Encourages root rot.
C) Causes the leeks to grow smaller.
D) Promotes uniform growth and prevents bolting.
  • 29. Which element does wood ash primarily provide to the soil, benefiting leek growth?
A) Potassium
B) Phosphorus
C) Nitrogen
D) Magnesium
  • 30. What is a visual indicator that leeks are ready for harvest?
A) The leaves start to turn yellow.
B) The roots become visible above the soil.
C) The plant begins to flower.
D) The shaft reaches the desired thickness.
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