How to Identify and Classify Dragon Fruits - Exam
  • 1. What is the most common flesh color of dragon fruit?
A) Green
B) Black
C) White
D) Blue
  • 2. The scientific name for dragon fruit is primarily from what genus?
A) Hylocereus
B) Citrus
C) Mangifera
D) Solanum
  • 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) Purple skin with purple flesh.
D) Green skin with red 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) Very small fruit
B) Yellow skin
C) No thorns
D) Deep magenta flesh
  • 6. How can you generally tell if a dragon fruit is ripe?
A) Skin turns bright and slightly soft
B) Skin is completely green
C) Skin is hard as a rock
D) Stem is completely dry and brown
  • 7. What is the texture of dragon fruit flesh generally described as?
A) Like a pear
B) Like an apple
C) Like a banana
D) Similar to kiwi
  • 8. Which type of dragon fruit has yellow skin and white flesh?
A) Hylocereus megalanthus
B) Hylocereus costaricensis
C) Selenicereus testatus
D) Hylocereus undatus
  • 9. What are the small black seeds in dragon fruit rich in?
A) Omega-3 fatty acids
B) Sodium
C) Calcium
D) Iron
  • 10. What characteristic of the plant itself can aid identification?
A) Fruit weight
B) Stem shape
C) Seed size
D) Root color
  • 11. The 'American Beauty' is characterized by what flesh color?
A) Yellow
B) Magenta
C) White
D) Pink
  • 12. What is the flavor profile of a typical dragon fruit?
A) Very sour
B) Mildly sweet
C) Intensely spicy
D) Extremely bitter
  • 13. What is the significance of the bracts (scales) on the fruit?
A) They can help distinguish varieties
B) They are always the same across all varieties
C) They determine the sweetness
D) They indicate ripeness
  • 14. Which of these dragon fruit varieties is known for its smaller size?
A) Selenicereus testatus
B) Hylocereus costaricensis
C) Hylocereus megalanthus
D) Hylocereus undatus
  • 15. What factor most greatly affects the flavor intensity of dragon fruit?
A) Variety and growing conditions
B) Color of the skin
C) Size of the fruit
D) Thickness of the stem
  • 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) Papaya
C) Mango
D) Guava
  • 18. What is one visual cue that indicates fruit maturity, looking at the wing bracts?
A) Bracts become more vibrant green
B) Bracts begin to dry out and turn brown
C) Bracts fall off completely
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 megalanthus
B) Hylocereus costaricensis
C) Selenicereus testatus
D) Hylocereus undatus
  • 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 enhances red/pink color
B) Sun exposure has no effect
C) More sun makes the skin green
D) More sun makes the skin white
  • 23. What climate is most suitable for Dragon Fruit production?
A) Desert
B) Temperate
C) Arctic
D) Tropical or subtropical
  • 24. Which characteristic will NOT help you identify a specific variety?
A) Fruit size
B) Flesh color
C) Seed color
D) Skin color
  • 25. What role do insects and animals play in Dragon Fruit reproduction?
A) Pollination
B) Defense
C) Seed dispersal
D) Nutrient Absorption
  • 26. Which part of the dragon fruit flower becomes the fruit?
A) Petals
B) Stamen
C) Ovary
D) Sepals
  • 27. Why is knowing the variety important for commercial dragon fruit growers?
A) Affects market value
B) Determines plant height
C) Changes pruning requirements
D) Impacts watering needs
  • 28. What is the edible part of the dragon fruit?
A) Leaves
B) Skin
C) Seeds only
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) It only grows in specific climates
D) The plant stops growing at a certain point
Created with That Quiz — the math test generation site with resources for other subject areas.