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