How to Identify and Classify Dragon Fruits
  • 1. What is the most common flesh color of dragon fruit?
A) Black
B) White
C) Blue
D) Green
  • 2. The scientific name for dragon fruit is primarily from what genus?
A) Solanum
B) Hylocereus
C) Mangifera
D) Citrus
  • 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) Purple skin with purple flesh.
D) Yellow skin with white flesh.
  • 4. What is the shape of a typical dragon fruit?
A) Triangular
B) Oblong
C) Square
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 is completely green
C) Stem is completely dry and brown
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 banana
C) Similar to kiwi
D) Like a pear
  • 8. Which type of dragon fruit has yellow skin and white flesh?
A) Hylocereus costaricensis
B) Selenicereus testatus
C) Hylocereus undatus
D) Hylocereus megalanthus
  • 9. What are the small black seeds in dragon fruit rich in?
A) Calcium
B) Sodium
C) Iron
D) Omega-3 fatty acids
  • 10. What characteristic of the plant itself can aid identification?
A) Root color
B) Stem shape
C) Fruit weight
D) Seed size
  • 11. The 'American Beauty' is characterized by what flesh color?
A) Magenta
B) Pink
C) White
D) Yellow
  • 12. What is the flavor profile of a typical dragon fruit?
A) Mildly sweet
B) Extremely bitter
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) Selenicereus testatus
B) Hylocereus undatus
C) Hylocereus megalanthus
D) Hylocereus costaricensis
  • 15. What factor most greatly affects the flavor intensity of dragon fruit?
A) Size of the fruit
B) Thickness of the stem
C) Variety and growing conditions
D) Color of the skin
  • 16. What growing habit describes the Dragon Fruit plant?
A) Tree
B) Climbing vine
C) Ground cover
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 secrete a sticky substance
B) Bracts become more vibrant green
C) Bracts begin to dry out and turn brown
D) Bracts fall off completely
  • 19. What's a key distinction between *Hylocereus* and *Selenicereus*?
A) Taste profile
B) Flowering time (night vs. day)
C) Fruit size
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 undatus
C) Hylocereus megalanthus
D) Selenicereus testatus
  • 21. What's the significance of self-fertility in dragon fruit varieties?
A) They are more resistant to pests
B) They always produce sweeter fruit
C) They grow faster
D) They don't require cross-pollination
  • 22. How does sun exposure affect dragon fruit skin color?
A) More sun makes the skin green
B) Sun exposure has no effect
C) More sun enhances red/pink color
D) More sun makes the skin white
  • 23. What climate is most suitable for Dragon Fruit production?
A) Arctic
B) Temperate
C) Desert
D) Tropical or subtropical
  • 24. Which characteristic will NOT help you identify a specific variety?
A) Skin color
B) Fruit size
C) Flesh color
D) Seed color
  • 25. What role do insects and animals play in Dragon Fruit reproduction?
A) Pollination
B) Seed dispersal
C) Defense
D) Nutrient Absorption
  • 26. Which part of the dragon fruit flower becomes the fruit?
A) Stamen
B) Ovary
C) Petals
D) Sepals
  • 27. Why is knowing the variety important for commercial dragon fruit growers?
A) Determines plant height
B) Changes pruning requirements
C) Impacts watering needs
D) Affects market value
  • 28. What is the edible part of the dragon fruit?
A) Flesh
B) Skin
C) Leaves
D) Seeds only
  • 29. What does 'determinate growth' mean in relation to dragon fruit?
A) It only grows in specific seasons
B) It only grows in specific climates
C) The plant stops growing at a certain point
D) It grows indefinitely
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