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How to Identify and Classify Dragon Fruits
Contributed by: Woolley
  • 1. What is the most common flesh color of dragon fruit?
A) Black
B) Green
C) White
D) Blue
  • 2. The scientific name for dragon fruit is primarily from what genus?
A) Hylocereus
B) Solanum
C) Citrus
D) Mangifera
  • 3. What is the defining characteristic of a 'red skin, white flesh' dragon fruit?
A) Red or pink skin with white flesh.
B) Green skin with red flesh.
C) Yellow skin with white flesh.
D) Purple skin with purple flesh.
  • 4. What is the shape of a typical dragon fruit?
A) Triangular
B) Oblong
C) Round
D) Square
  • 5. What feature distinguishes Hylocereus costaricensis?
A) Yellow skin
B) No thorns
C) Deep magenta flesh
D) Very small fruit
  • 6. How can you generally tell if a dragon fruit is ripe?
A) Stem is completely dry and brown
B) Skin is completely green
C) Skin is hard as a rock
D) Skin turns bright and slightly soft
  • 7. What is the texture of dragon fruit flesh generally described as?
A) Like an apple
B) Like a pear
C) Like a banana
D) Similar to kiwi
  • 8. Which type of dragon fruit has yellow skin and white flesh?
A) Hylocereus megalanthus
B) Selenicereus testatus
C) Hylocereus costaricensis
D) Hylocereus undatus
  • 9. What are the small black seeds in dragon fruit rich in?
A) Iron
B) Omega-3 fatty acids
C) Sodium
D) Calcium
  • 10. What characteristic of the plant itself can aid identification?
A) Root color
B) Seed size
C) Fruit weight
D) Stem shape
  • 11. The 'American Beauty' is characterized by what flesh color?
A) Yellow
B) Pink
C) Magenta
D) White
  • 12. What is the flavor profile of a typical dragon fruit?
A) Extremely bitter
B) Mildly sweet
C) Intensely spicy
D) Very sour
  • 13. What is the significance of the bracts (scales) on the fruit?
A) They can help distinguish varieties
B) They determine the sweetness
C) They indicate ripeness
D) They are always the same across all varieties
  • 14. Which of these dragon fruit varieties is known for its smaller size?
A) Hylocereus costaricensis
B) Hylocereus undatus
C) Hylocereus megalanthus
D) Selenicereus testatus
  • 15. What factor most greatly affects the flavor intensity of dragon fruit?
A) Thickness of the stem
B) Size of the fruit
C) Color of the skin
D) Variety and growing conditions
  • 16. What growing habit describes the Dragon Fruit plant?
A) Climbing vine
B) Ground cover
C) Shrub
D) Tree
  • 17. The term 'pitaya' refers to which fruit?
A) Dragon fruit
B) Guava
C) Papaya
D) Mango
  • 18. What is one visual cue that indicates fruit maturity, looking at the wing bracts?
A) Bracts begin to dry out and turn brown
B) Bracts become more vibrant green
C) Bracts secrete a sticky substance
D) Bracts fall off completely
  • 19. What's a key distinction between *Hylocereus* and *Selenicereus*?
A) Flowering time (night vs. day)
B) Fruit size
C) Taste profile
D) Skin color
  • 20. If you see a dragon fruit with extremely prominent and pronounced ribs, which variety could it be?
A) Hylocereus costaricensis
B) Hylocereus megalanthus
C) Hylocereus undatus
D) Selenicereus testatus
  • 21. What's the significance of self-fertility in dragon fruit varieties?
A) They always produce sweeter fruit
B) They don't require cross-pollination
C) They grow faster
D) They are more resistant to pests
  • 22. How does sun exposure affect dragon fruit skin color?
A) More sun makes the skin green
B) More sun makes the skin white
C) Sun exposure has no effect
D) More sun enhances red/pink color
  • 23. What climate is most suitable for Dragon Fruit production?
A) Temperate
B) Tropical or subtropical
C) Desert
D) Arctic
  • 24. Which characteristic will NOT help you identify a specific variety?
A) Fruit size
B) Seed color
C) Skin color
D) Flesh color
  • 25. What role do insects and animals play in Dragon Fruit reproduction?
A) Nutrient Absorption
B) Pollination
C) Seed dispersal
D) Defense
  • 26. Which part of the dragon fruit flower becomes the fruit?
A) Petals
B) Sepals
C) Ovary
D) Stamen
  • 27. Why is knowing the variety important for commercial dragon fruit growers?
A) Determines plant height
B) Affects market value
C) Changes pruning requirements
D) Impacts watering needs
  • 28. What is the edible part of the dragon fruit?
A) Seeds only
B) Flesh
C) Leaves
D) Skin
  • 29. What does 'determinate growth' mean in relation to dragon fruit?
A) It grows indefinitely
B) It only grows in specific climates
C) The plant stops growing at a certain point
D) It only grows in specific seasons
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