How to Identify and Classify Dragon Fruits
  • 1. What is the most common flesh color of dragon fruit?
A) Blue
B) Black
C) Green
D) White
  • 2. The scientific name for dragon fruit is primarily from what genus?
A) Mangifera
B) Citrus
C) Solanum
D) Hylocereus
  • 3. What is the defining characteristic of a 'red skin, white flesh' dragon fruit?
A) Yellow skin with white flesh.
B) Red or pink skin with white flesh.
C) Green skin with red flesh.
D) Purple skin with purple flesh.
  • 4. What is the shape of a typical dragon fruit?
A) Triangular
B) Round
C) Oblong
D) Square
  • 5. What feature distinguishes Hylocereus costaricensis?
A) Very small fruit
B) No thorns
C) Deep magenta flesh
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) Stem is completely dry and brown
D) Skin is completely green
  • 7. What is the texture of dragon fruit flesh generally described as?
A) Like a banana
B) Like an apple
C) Like a pear
D) Similar to kiwi
  • 8. Which type of dragon fruit has yellow skin and white flesh?
A) Hylocereus undatus
B) Selenicereus testatus
C) Hylocereus megalanthus
D) Hylocereus costaricensis
  • 9. What are the small black seeds in dragon fruit rich in?
A) Iron
B) Calcium
C) Omega-3 fatty acids
D) Sodium
  • 10. What characteristic of the plant itself can aid identification?
A) Root color
B) Stem shape
C) Seed size
D) Fruit weight
  • 11. The 'American Beauty' is characterized by what flesh color?
A) Magenta
B) White
C) Pink
D) Yellow
  • 12. What is the flavor profile of a typical dragon fruit?
A) Mildly sweet
B) Intensely spicy
C) Very sour
D) Extremely bitter
  • 13. What is the significance of the bracts (scales) on the fruit?
A) They determine the sweetness
B) They are always the same across all varieties
C) They can help distinguish varieties
D) They indicate ripeness
  • 14. Which of these dragon fruit varieties is known for its smaller size?
A) Hylocereus undatus
B) Hylocereus costaricensis
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) Variety and growing conditions
D) Color of the skin
  • 16. What growing habit describes the Dragon Fruit plant?
A) Ground cover
B) Climbing vine
C) Tree
D) Shrub
  • 17. The term 'pitaya' refers to which fruit?
A) Dragon fruit
B) Guava
C) Mango
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 begin to dry out and turn brown
C) Bracts become more vibrant green
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) Skin color
D) Taste profile
  • 20. If you see a dragon fruit with extremely prominent and pronounced ribs, which variety could it be?
A) Selenicereus testatus
B) Hylocereus costaricensis
C) Hylocereus megalanthus
D) Hylocereus undatus
  • 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 are more resistant to pests
D) They always produce sweeter fruit
  • 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) Desert
B) Tropical or subtropical
C) Temperate
D) Arctic
  • 24. Which characteristic will NOT help you identify a specific variety?
A) Seed color
B) Fruit size
C) Skin color
D) Flesh color
  • 25. What role do insects and animals play in Dragon Fruit reproduction?
A) Seed dispersal
B) Pollination
C) Nutrient Absorption
D) Defense
  • 26. Which part of the dragon fruit flower becomes the fruit?
A) Stamen
B) Sepals
C) Ovary
D) Petals
  • 27. Why is knowing the variety important for commercial dragon fruit growers?
A) Impacts watering needs
B) Changes pruning requirements
C) Affects market value
D) Determines plant height
  • 28. What is the edible part of the dragon fruit?
A) Skin
B) Seeds only
C) Leaves
D) Flesh
  • 29. What does 'determinate growth' mean in relation to dragon fruit?
A) It grows indefinitely
B) It only grows in specific seasons
C) The plant stops growing at a certain point
D) It only grows in specific climates
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