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