How to Identify and Classify Longans - Exam
  • 1. What family do Longan trees belong to?
A) Rutaceae
B) Myrtaceae
C) Sapindaceae
D) Rosaceae
  • 2. Longan fruits are botanically classified as a:
A) Berry
B) Aggregate fruit
C) Drupe
D) Pome
  • 3. What is the typical color of longan fruit skin?
A) Green
B) Brownish-yellow
C) Bright Red
D) Purple
  • 4. The transliteration of Longan in Chinese is:
A) Bo Luo
B) Li Zhi
C) Mang Guo
D) Long Yan
  • 5. What is the texture of longan pulp generally like?
A) Translucent and fleshy
B) Dry and powdery
C) Watery and mushy
D) Fibrous and tough
  • 6. Which of these is a common descriptor for longan flavor?
A) Bitter and earthy
B) Sour and citrusy
C) Musky and sweet
D) Salty and savory
  • 7. How are longans typically sold and distributed?
A) Individually wrapped
B) In clusters or bunches
C) As a dried powder
D) Peeled and canned
  • 8. What is a key characteristic used to differentiate longan varieties?
A) Leaf shape
B) Bark color
C) Fruit size
D) Root depth
  • 9. The 'Kohala' cultivar is known for what fruit characteristic?
A) Early fruiting season
B) Dwarf tree size
C) High fruit quality
D) Resistance to pests
  • 10. Which of the following is NOT a common method of longan propagation?
A) Seed propagation
B) Grafting
C) Grafting rose cuttings
D) Air layering
  • 11. What climate is best suited for longan cultivation?
A) Arid
B) Temperate
C) Subtropical and tropical
D) Arctic
  • 12. What does the seed of the longan look like?
A) Bright red and smooth
B) Yellow and speckled
C) Dark brown or black with a white scar
D) Pale green and wrinkled
  • 13. How does the longan tree leaf arrangement look?
A) Opposite and simple
B) Basal and linear
C) Alternate and pinnately compound
D) Whorled and palmate
  • 14. What are the typical longan tree sizes?
A) Creeping vine
B) Dwarf
C) Medium to large
D) Small to medium
  • 15. Where is Longan believed to have originated?
A) Africa
B) Europe
C) South America
D) Southeast Asia
  • 16. What is the general shape of a longan fruit?
A) Pear-shaped
B) Spherical
C) Kidney-shaped
D) Oblong
  • 17. Which pest commonly affects longan trees?
A) Spider mites
B) Cabbage worms
C) Aphids
D) Fruit flies
  • 18. What is a good indicator of longan fruit ripeness?
A) Easy detachment from the cluster
B) Bright green color
C) Very firm texture
D) Strong, sour smell
  • 19. Which country is a major producer of longans?
A) Italy
B) Thailand
C) Brazil
D) Canada
  • 20. What is the name given to dried longan fruit?
A) Dragon's Eye
B) Golden Nugget
C) Sweet Jewel
D) Tropical Delight
  • 21. How many petals does a Longan flower typically have?
A) 4
B) 6
C) 5
D) 3
  • 22. What color are Longan flowers typically?
A) Purple
B) Bright Red
C) Dark Blue
D) Yellowish-white
  • 23. What type of inflorescence does Longan have?
A) Spike
B) Cyme
C) Umbel
D) Panicle
  • 24. What type of soil is ideal for Longan cultivation?
A) Clay heavy
B) Well-drained
C) Loamy
D) Sandy
  • 25. How many years does it usually take for a Longan tree to bear fruit from seed?
A) 1-2
B) 5-6
C) 7-8
D) 3-4
  • 26. What is the significance of the white scar on the Longan seed?
A) Embryonic development point
B) Nutrient storage
C) Indication of seed viability
D) Attachment point of the seed to the fruit
  • 27. In traditional medicine, Longan is believed to have properties related to:
A) Calming effect
B) Pain relief
C) Digestive aid
D) Energy boosting
  • 28. What is the scientific name for Longan?
A) Mangifera indica
B) Litchi chinensis
C) Dimocarpus longan
D) Nephelium lappaceum
  • 29. What is the benefit of air layering Longan?
A) Faster fruiting
B) Pest resistance
C) Larger fruit size
D) Drought resistance
  • 30. How should Longan fruit be stored to maximize shelf life?
A) In direct sunlight
B) Frozen
C) At room temperature
D) Refrigerated
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