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