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How to Identify and Classify Kale Leaves
Contributed by: Crossley
  • 1. What is the most common kale species?
A) Brassica oleracea
B) Spinacia oleracea
C) Beta vulgaris
D) Lactuca sativa
  • 2. Which characteristic is most important for initial kale identification?
A) Leaf shape
B) Flower type
C) Root structure
D) Stem color
  • 3. What does 'curly kale' refer to?
A) Kales with a bitter taste
B) Kales that only grow in winter
C) Kales with smooth leaves
D) Kales with frilly, ruffled leaves
  • 4. What is Lacinato kale also known as?
A) Chinese kale
B) Red Russian kale
C) Dinosaur kale
D) Siberian kale
  • 5. What is a key feature of Red Russian kale?
A) Smooth, round leaves
B) Flat, fringed leaves with reddish stems
C) Thick, waxy leaves
D) Tightly curled, green leaves
  • 6. What color are the leaves of White Russian kale?
A) White
B) Red
C) Green
D) Purple
  • 7. Which kale variety has a mild, sweet flavor?
A) Siberian kale
B) Curly kale
C) Redbor kale
D) Lacinato kale
  • 8. What is the primary difference between kale and collard greens?
A) Color of the stem
B) Leaf texture and shape
C) Root depth
D) Nutrient content
  • 9. What shape are the leaves of Siberian Kale?
A) Narrow and strap-like
B) Circular and cupped
C) Heart-shaped
D) Broad and lobed
  • 10. What is the leaf surface texture of Toscano Kale?
A) Waxy
B) Hairy
C) Smooth
D) Bumpy
  • 11. Which kale is most tolerant of cold weather?
A) Curly kale
B) Redbor kale
C) Siberian kale
D) Lacinato kale
  • 12. What plant family does kale belong to?
A) Poaceae
B) Asteraceae
C) Solanaceae
D) Brassicaceae
  • 13. How can leaf color variations help identify kale?
A) Different varieties exhibit distinct leaf colors.
B) Leaf color is related to soil pH only.
C) Leaf color is solely determined by sun exposure.
D) All kale leaves are the same shade of green.
  • 14. What is the typical size of dwarf kale varieties?
A) Vining
B) Medium and bushy
C) Tall and sprawling
D) Small and compact
  • 15. Which kale type is often used for ornamental purposes?
A) Ornamental Kale
B) Siberian Kale
C) Lacinato Kale
D) Curly Kale
  • 16. What is the shape of the leaf margin of Redbor kale?
A) Serrated
B) Smooth
C) Frilly
D) Lobed
  • 17. Which kale is known for its dark green, almost black, leaves?
A) White Russian kale
B) Siberian kale
C) Red Russian kale
D) Lacinato kale
  • 18. What is the flavor profile of curly kale?
A) Slightly bitter
B) Spicy
C) Sour
D) Sweet
  • 19. What growth habit is typical of most kale varieties?
A) Trailing
B) Climbing
C) Upright
D) Spreading
  • 20. How does leaf age affect kale identification?
A) Older leaves are always brighter in color.
B) Younger leaves are always more bitter.
C) Younger leaves are often more tender and less bitter.
D) Leaf age has no impact on identification.
  • 21. Which of these is NOT a type of kale?
A) Spinach kale
B) Lacinato kale
C) Red Russian kale
D) Curly kale
  • 22. What is the primary use of flowering kale?
A) Making dyes
B) Ornamental display
C) Food source
D) Livestock feed
  • 23. Which kale type has a slightly peppery taste?
A) Siberian
B) Red Russian
C) Curly
D) Lacinato
  • 24. What type of leaf venation is found in Kale?
A) Arcuate
B) Parallel
C) Dichotomous
D) Reticulate
  • 25. Which part of the kale plant is typically eaten?
A) Stem
B) Roots
C) Flowers
D) Leaves
  • 26. Which of the following is an ornamental kale?
A) Lacinato Kale
B) Siberian Kale
C) Chidori Kale
D) Red Russian Kale
  • 27. Which kale leaf has a savoyed texture?
A) Siberian
B) Lacinato
C) Red Russian
D) Curly
  • 28. What is another name for Tronchuda Kale?
A) German Kale
B) Portuguese Kale
C) Italian Kale
D) Russian Kale
  • 29. What is the benefit of planting different kale varieties?
A) Extends the harvest season
B) Reduces watering needs
C) Increases the plant size
D) Prevents pest infestations
  • 30. What happens to kale flavor after a frost?
A) It becomes more bitter
B) It stays the same
C) It becomes sweeter
D) It disappears
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