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How to Identify and Classify Chinese Cabbages
Contributed by: Crossley
  • 1. What is the common name for Brassica rapa subsp. pekinensis?
A) Bok Choy
B) Napa Cabbage
C) Gai Lan
D) Choy Sum
  • 2. What is the defining characteristic of Bok Choy?
A) Flowering shoots
B) Tightly packed head
C) Dark green leaves and white stalks
D) Loose, ruffled leaves
  • 3. Which Chinese cabbage is also known as Chinese broccoli?
A) Gai Lan
B) Choy Sum
C) Napa Cabbage
D) Bok Choy
  • 4. What part of Choy Sum is primarily consumed?
A) Head
B) Flowering shoots
C) Leaves
D) Stalks
  • 5. What is the general shape of Napa cabbage leaves?
A) Small and round
B) Crinkled and folded inward
C) Long and thin
D) Smooth and flat
  • 6. Bok Choy is a good source of which vitamin?
A) Vitamin A
B) Vitamin D
C) Vitamin E
D) Vitamin C
  • 7. What is the stalk texture of Gai Lan?
A) Soft and spongy
B) Thick and slightly bitter
C) Crisp and watery
D) Thin and sweet
  • 8. What is the typical color of Choy Sum's flowers?
A) Purple
B) White
C) Pink
D) Yellow
  • 9. Which cabbage is most susceptible to bolting in warm weather?
A) Gai Lan
B) Bok Choy
C) Napa Cabbage
D) Choy Sum
  • 10. What is the common growing season for Napa Cabbage?
A) Cool season
B) Tropical season
C) Warm season
D) Year-round
  • 11. How does baby Bok Choy differ from mature Bok Choy?
A) Smaller size and more tender
B) Bitter taste
C) Thicker stalks
D) Darker leaves
  • 12. Gai Lan is often prepared by which cooking method?
A) Steaming or stir-frying
B) Baking
C) Raw consumption
D) Boiling for extended periods
  • 13. What type of soil is best for growing most Chinese cabbages?
A) Well-drained, fertile soil
B) Dry, rocky soil
C) Sandy soil
D) Clay-heavy soil
  • 14. What is a common pest that affects Chinese cabbages?
A) Aphids
B) Bees
C) Ladybugs
D) Earthworms
  • 15. What is the scientific name for Bok Choy?
A) Brassica rapa subsp. chinensis
B) Brassica napus
C) Brassica oleracea
D) Brassica rapa subsp. pekinensis
  • 16. Which part of Napa cabbage is often used in Kimchi?
A) The entire head
B) Only the roots
C) Only the stalks
D) Only the leaves
  • 17. What is the primary difference between Shanghai Bok Choy and regular Bok Choy?
A) Shanghai Bok Choy is more bitter
B) Shanghai Bok Choy has dark green leaves
C) Shanghai Bok Choy is larger
D) Shanghai Bok Choy has light green stalks
  • 18. When harvesting Napa cabbage, what is a good indicator of maturity?
A) Firmness of the head
B) Presence of flowers
C) Stem thickness
D) Leaf color
  • 19. How can you prevent bolting in Choy Sum?
A) Plant in cooler weather
B) Overwater regularly
C) Fertilize heavily with nitrogen
D) Plant in full sun
  • 20. What is the best way to store Bok Choy in the refrigerator?
A) Wrapped in a damp paper towel
B) Submerged in water
C) Uncovered in the crisper drawer
D) In a sealed plastic bag
  • 21. What is a common disease that can affect Chinese cabbages?
A) Powdery Mildew
B) Black Spot
C) Rust
D) Clubroot
  • 22. Which Chinese cabbage is best suited for grilling?
A) Choy Sum
B) Napa Cabbage
C) Bok Choy
D) Gai Lan
  • 23. What characteristic makes Gai Lan different from other brassicas?
A) Small, delicate leaves.
B) Larger, thicker leaves and stems.
C) A round, tightly packed head.
D) Edible roots.
  • 24. Which Chinese cabbage is often used in stir-fries and soups?
A) Only Gai Lan
B) All of them
C) Only Napa Cabbage
D) Only Bok Choy
  • 25. What does 'bolting' refer to in the context of cabbages?
A) Premature flowering
B) Leaf discoloration
C) Root rot
D) Stunted growth
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