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