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