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