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How to Identify and Classify Langsats
Contributed by: Woolley
  • 1. What is the primary characteristic used to differentiate Langsat varieties?
A) Tree height
B) Fruit skin thickness and latex content
C) Leaf shape
D) Root depth
  • 2. Which Langsat variety generally has the thickest skin?
A) Kokosan
B) Duku
C) Longkong
D) Pisa
  • 3. Which Langsat variety is known for its relatively low latex content?
A) Duku
B) Kokosan
C) Pisa
D) Longkong
  • 4. What does high latex content in Langsat fruit usually indicate?
A) Thicker skin
B) Sweeter taste
C) Larger fruit size
D) More acidic taste
  • 5. The presence of seeds is most common in which Langsat type?
A) All Langsats rarely have seeds
B) Longkong
C) Kokosan
D) Duku
  • 6. What color is the flesh of most Langsat varieties?
A) Translucent white
B) Orange
C) Green
D) Yellow
  • 7. Which factor contributes to the sour taste of some Langsat fruits?
A) Skin thickness
B) Low sugar content
C) Presence of seeds
D) High latex content
  • 8. What is the shape of a typical Longkong fruit?
A) Elongated
B) Oval
C) Round
D) Pear-shaped
  • 9. How does the skin of a Duku Langsat typically feel?
A) Thin
B) Smooth
C) Sticky
D) Leathery
  • 10. What is the size of the average Longkong fruit compared to a Duku fruit?
A) The same size
B) Larger
C) Variable, no consistent difference
D) Smaller
  • 11. Which environment do Langsats typically thrive in?
A) Cold temperate climates
B) Dry desert climates
C) High altitude alpine climates
D) Humid tropical climates
  • 12. What is the arrangement of Langsat fruits on the tree?
A) Clusters
B) In pairs
C) Singularly
D) Scattered randomly
  • 13. How can you tell if a Langsat fruit is ripe?
A) Bright green color
B) Slightly soft to the touch
C) Completely hard
D) Firm and unyielding
  • 14. Which part of Southeast Asia is considered the origin of Langsats?
A) Japan
B) Malay Peninsula
C) Australia
D) South America
  • 15. What distinguishes Pisa Langsat from other varieties?
A) Thick skin and sweet taste
B) Large fruit size and low latex
C) No seeds and sour taste
D) Small fruit size and high latex
  • 16. What is a common use for Langsat skin?
A) Animal feed
B) Compost
C) Weaving material
D) Traditional medicine
  • 17. What is the scientific name for Langsat?
A) Nephelium lappaceum
B) Lansium parasiticum
C) Mangifera indica
D) Durio zibethinus
  • 18. How long does it take for a Langsat tree to bear fruit after planting?
A) 10-12 years
B) 1-2 years
C) 20+ years
D) 5-7 years
  • 19. What type of soil is best for growing Langsats?
A) Clay soil
B) Sandy soil
C) Rocky soil
D) Well-drained, loamy soil
  • 20. What is a common pest that affects Langsat trees?
A) Mealybugs
B) Caterpillars
C) Fruit flies
D) Aphids
  • 21. What is the texture of Longkong flesh?
A) Firm and juicy
B) Fibrous
C) Mushy
D) Dry
  • 22. Compared to other varieties, Kokosan fruits typically have?
A) Darker skin color
B) Thicker skin
C) Lighter skin color
D) No skin
  • 23. What is the significance of the word 'Duku' in the local language?
A) Good
B) Small
C) Sour
D) Large
  • 24. Which harvesting method is used for Langsats?
A) Using a net
B) Picking individual fruits
C) Cutting the fruit clusters
D) Shaking the tree
  • 25. What is the benefit of grafting Langsat trees?
A) Faster fruit production
B) More disease resistance
C) Increased sweetness
D) Larger fruit size
  • 26. What is the role of rainfall in Langsat cultivation?
A) Harmful to fruit quality
B) Essential for fruit development
C) Only needed during flowering
D) Irrelevant to growth
  • 27. How is Langsat primarily consumed?
A) Dried fruit
B) Fresh fruit
C) Juice
D) Canned fruit
  • 28. What is the latex in Langsat fruit?
A) A type of sugar
B) A milky sap
C) A type of fiber
D) A natural insecticide
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