How to Identify and Classify Lychees
  • 1. What is the most distinctive feature of a lychee?
A) Its small size
B) Its green color
C) Its bumpy, textured skin
D) Its smooth, glossy skin
  • 2. Which of these is NOT a common lychee skin color?
A) Yellow-Red
B) Red
C) Green
D) Pink
  • 3. The flesh of a ripe lychee is typically:
A) Bright red
B) Translucent white
C) Opaque yellow
D) Dark brown
  • 4. What is the typical size of a lychee fruit?
A) Less than 0.5 inch in diameter
B) 3-4 inches in diameter
C) 1-2 inches in diameter
D) 6-8 inches in diameter
  • 5. The seed of a lychee is typically:
A) Dark brown or black
B) White
C) Red
D) Green
  • 6. What is the general shape of a lychee fruit?
A) Elongated and thin
B) Triangular
C) Square
D) Round to oval
  • 7. The 'Brewster' lychee is known for its:
A) Very small size
B) Late-season ripening
C) Extremely sweet flavor
D) Early-season ripening
  • 8. Which lychee variety is known for its small seed (chicken tongue)?
A) Brewster
B) Sweet Cliff
C) Mauritius
D) Seedless varieties
  • 9. What does 'aril' refer to in a lychee?
A) The seed itself
B) The outer skin
C) The edible flesh surrounding the seed
D) The tree's leaves
  • 10. A lychee with a sour or tart taste is likely:
A) A specific variety
B) Unripe
C) Overripe
D) Always genetically modified
  • 11. Which of the following characteristics would indicate a FRESH lychee?
A) Cracked skin
B) Brown spots all over the skin
C) Firm texture and vibrant color
D) Soft texture and dull color
  • 12. What climate is best suited for growing lychees?
A) Temperate
B) Arctic
C) Desert
D) Subtropical
  • 13. What is 'Lychee Burn'?
A) A fungal infection
B) Sun damage to the fruit
C) A sign of over-ripening
D) Insect damage
  • 14. The 'Mauritius' lychee is typically:
A) Seedless and small
B) Green and sour
C) Early season and red
D) Late season and large
  • 15. What does 'acidity' refer to in terms of lychee taste?
A) The fruit's texture
B) The level of sweetness
C) The level of bitterness
D) The level of tartness or sourness
  • 16. How are lychees typically harvested?
A) By cutting the tree down
B) By shaking the tree
C) Using machines
D) By hand
  • 17. What is the shelf life of fresh lychees?
A) Several weeks at room temperature
B) Only a few hours at room temperature
C) Months when frozen
D) Several days when refrigerated
  • 18. Which country is the largest producer of lychees?
A) Thailand
B) India
C) China
D) Vietnam
  • 19. What plant family do lychees belong to?
A) Sapindaceae
B) Solanaceae
C) Rosaceae
D) Poaceae
  • 20. The aroma of a ripe lychee is often described as:
A) Citrusy and sharp
B) Sulfuric and strong
C) Earthy and musky
D) Floral and fragrant
  • 21. What is 'chicken tongue' in lychee terms?
A) A very small, shriveled seed
B) A specific growing technique
C) A sweet aroma
D) A type of skin blemish
  • 22. Which of these is NOT a common use for lychees?
A) Making biofuel
B) Eating fresh
C) Making desserts
D) Making juice
  • 23. A lychee with a cracked skin usually indicates:
A) Overripeness or damage
B) A unique variety
C) Optimal ripeness
D) Underripeness
  • 24. What is the best way to store lychees?
A) Refrigerated in a plastic bag
B) Submerged in water
C) In a paper bag in the freezer
D) At room temperature in direct sunlight
  • 25. What is the role of 'litchi chinensis'?
A) Botanical name of the lychee tree
B) A lychee harvesting method
C) A lychee disease
D) The name of a specific lychee cultivar
  • 26. What does TSS (Total Soluble Solids) measure in lychees?
A) Water content
B) Vitamin C content
C) Sugar content
D) Acidity level
  • 27. Which of the following is generally true of seedless lychees?
A) They taste significantly different than normal lychees.
B) They are always larger than normal lychees.
C) They require special growing conditions.
D) They have smaller seeds or none at all.
  • 28. What visual cue may indicate a lychee is starting to ferment?
A) A brighter red color.
B) A harder, firmer texture.
C) A slightly alcoholic smell.
D) No change in appearance.
  • 29. What is the typical sugar content (Brix) of a ripe lychee?
A) 1-5
B) 25-30
C) 16-20
D) 5-10
  • 30. Which common pest affects lychee trees and fruit?
A) Ladybugs
B) Grasshoppers
C) Lychee Mite
D) Aphids
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