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How to Identify and Classify Pitayas
Contributed by: Andrews
  • 1. What is the most common flesh color for Hylocereus undatus pitayas?
A) White
B) Purple
C) Red
D) Yellow
  • 2. What type of stem does a pitaya plant have?
A) Succulent shrub
B) Woody tree
C) Climbing cactus
D) Herbaceous vine
  • 3. Which genus is most commonly associated with red-fleshed pitayas?
A) Hylocereus
B) Epiphyllum
C) Opuntia
D) Selenicereus
  • 4. What is the characteristic of a pitaya's skin?
A) Waxy
B) Smooth
C) Scaly
D) Fuzzy
  • 5. How are the flowers of most pitaya species described?
A) Small
B) Fragrant
C) Diurnal
D) Nocturnal
  • 6. Which of these pitaya species typically has yellow skin and white flesh?
A) Hylocereus polyrhizus
B) Hylocereus costaricensis
C) Hylocereus undatus
D) Selenicereus megalanthus
  • 7. What is the shape of a typical pitaya fruit?
A) Triangular
B) Oblong
C) Round
D) Square
  • 8. The 'scales' on pitaya fruit are technically what?
A) Bracts
B) Leaves
C) Spines
D) Flowers
  • 9. What is the primary method of pollination for most pitaya varieties?
A) Self-pollination
B) Water pollination
C) Wind pollination
D) Cross-pollination
  • 10. Which environmental condition is crucial for pitaya flowering and fruit production?
A) High humidity
B) Sufficient sunlight
C) Freezing temperatures
D) Consistent rainfall
  • 11. What distinguishes Hylocereus costaricensis from Hylocereus undatus?
A) Spine density
B) Flesh color
C) Plant height
D) Fruit size
  • 12. Which of these is NOT a typical way to propagate pitaya?
A) Air layering
B) Seed burial
C) Stem cuttings
D) Grafting
  • 13. What is the typical texture of pitaya flesh?
A) Gritty and hard
B) Firm and dry
C) Seedy and soft
D) Fibrous and tough
  • 14. What does 'pitaya' commonly refer to?
A) A traditional Mexican dance
B) A type of desert lizard
C) A specific type of flower
D) The fruit of certain cactus species
  • 15. What is a key characteristic of Selenicereus megalanthus that helps identify it?
A) Red flesh
B) Small fruit size
C) Thorny skin
D) Smooth skin
  • 16. Which country is a major producer of pitayas?
A) Brazil
B) Vietnam
C) Canada
D) Russia
  • 17. What is the role of aerial roots in pitaya plants?
A) Water absorption from the air
B) Nutrient absorption from the soil
C) Photosynthesis
D) Attachment and support
  • 18. The edible seeds of the pitaya are typically:
A) Large and brown
B) Small and black
C) Green and soft
D) Red and hard
  • 19. What does 'Hylocereus' mean?
A) Climbing vine
B) Night blooming
C) Forest cactus
D) Desert flower
  • 20. What is the approximate size range of a mature pitaya fruit?
A) 2-4 feet
B) 15-20 inches
C) 1-3 inches
D) 4-12 inches
  • 21. Which pitaya is known for its particularly fragrant flowers?
A) All of them
B) Selenicereus megalanthus
C) Hylocereus costaricensis
D) Hylocereus undatus
  • 22. Why is proper drainage important for pitaya plants?
A) Encourages flowering
B) Increases fruit size
C) Enhances flavor
D) Prevents root rot
  • 23. What type of climate is best suited for growing pitayas?
A) Tropical and subtropical
B) Desert
C) Temperate
D) Arctic
  • 24. What visual cue indicates a pitaya fruit is nearing ripeness?
A) Dull and faded color
B) Green coloration
C) Bright and vibrant color
D) Hard and firm texture
  • 25. What is a common pest that affects pitaya plants?
A) Grasshoppers
B) Mealybugs
C) Ladybugs
D) Earthworms
  • 26. How many petals does a pitaya flower usually have?
A) None
B) Many
C) Five
D) Four
  • 27. Which of these is NOT a common use for pitaya fruit?
A) Juices and smoothies
B) Fresh consumption
C) Desserts and jams
D) Fuel source
  • 28. What do pitaya flowers need to successfully grow fruit?
A) Pollination
B) Direct sunlight
C) Pruning
D) Fertilizer
  • 29. What is the skin texture of Hylocereus polyrhizus
A) Smooth scales
B) No scales
C) Bumpy scales
D) Thorny scales
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