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