How to Identify and Classify Jujubes
  • 1. What family do jujubes belong to?
A) Solanaceae
B) Rosaceae
C) Rhamnaceae
D) Fabaceae
  • 2. Jujubes are native to what region?
A) North America
B) Africa
C) Asia
D) South America
  • 3. What is the typical shape of a 'Li' jujube?
A) Pear-shaped
B) Oblong
C) Spindle-shaped
D) Round
  • 4. Which jujube variety is known for its elongated shape?
A) Lang
B) Li
C) Shanxi Li
D) Honey Jar
  • 5. What is a key characteristic of 'Honey Jar' jujubes?
A) Large size
B) Exceptional sweetness
C) Fibrous texture
D) Tart flavor
  • 6. What is the typical skin color of a ripe jujube?
A) Green
B) Purple
C) Reddish-brown
D) Yellow
  • 7. The 'Shanxi Li' variety is known for its...
A) Large size and excellent fruit quality
B) Distinct pear shape
C) Small size and early ripening
D) Low sugar content
  • 8. What type of tree is a jujube?
A) Deciduous
B) Palm
C) Coniferous
D) Evergreen
  • 9. Which of these is a common use for jujubes?
A) Essential oil extraction
B) Animal feed
C) Dried fruit
D) Wood for furniture
  • 10. What is the texture of a ripe jujube fruit?
A) Gummy and chewy
B) Soft and mushy
C) Watery and bland
D) Crisp and apple-like
  • 11. What is the chill hour requirement for most jujube varieties?
A) Low
B) Very High
C) High
D) Medium
  • 12. What is a distinguishing feature of jujube leaves?
A) Hairy texture
B) Needle-like shape
C) Large size
D) Glossy surface
  • 13. Which propagation method is commonly used for jujubes?
A) Grafting
B) Seed
C) Cuttings
D) Air layering
  • 14. What is a common pest of jujube trees?
A) Caterpillars
B) Spider mites
C) Aphids
D) Grasshoppers
  • 15. How can you tell if a jujube fruit is ripe?
A) Full color change and slightly wrinkled skin
B) Sticky surface and strong aroma
C) Soft texture and uniform color
D) Firm texture and green color
  • 16. What is a primary benefit of growing jujubes?
A) Drought tolerance
B) Fast growth rate
C) High shade provision
D) High water requirements
  • 17. The 'So' variety is known for its...
A) Small size and early ripening
B) Unique flavor
C) High disease resistance
D) Large size and late ripening
  • 18. Jujube fruits are rich in what nutrient?
A) Vitamin C
B) Vitamin D
C) Vitamin A
D) Vitamin B12
  • 19. What type of climate is ideal for jujube cultivation?
A) Humid, tropical climate
B) Cold, mountainous climate
C) Warm, dry climate
D) Cool, wet climate
  • 20. How long can jujube fruits typically be stored?
A) One year
B) Several weeks
C) A few days
D) A few months
  • 21. What is the scientific name for the common jujube?
A) Prunus avium
B) Malus domestica
C) Ziziphus jujuba
D) Citrus sinensis
  • 22. What soil type is best for jujube trees?
A) Heavy clay soil
B) Waterlogged soil
C) Sandy soil
D) Well-drained soil
  • 23. What is the primary use of the jujube's root system?
A) Nitrogen fixation
B) Water purification
C) Erosion control
D) Support for other plants
  • 24. Which of these is NOT a common way to consume jujubes?
A) Dried
B) Candied
C) Fresh
D) Pickled
  • 25. What is a characteristic of 'Sherwood' jujubes?
A) Dwarf size
B) Upright growth habit
C) Weeping growth habit
D) Extremely late ripening
  • 26. What is a common method for protecting jujube trees from birds?
A) Netting
B) Planting thorny shrubs around the tree
C) Using scarecrows
D) Spraying with pesticides
  • 27. How do jujubes differ from dates?
A) Grows on palm trees
B) Higher moisture content
C) Crisper texture when fresh
D) Larger size
  • 28. What is a distinguishing feature of jujube flowers?
A) Odorless
B) Brightly colored
C) Large and showy
D) Small and fragrant
  • 29. What is a characteristic of container-grown jujube trees?
A) Require more frequent watering
B) Bear fruit earlier
C) Are less susceptible to pests
D) Grow larger than in-ground trees
  • 30. What is the best time to prune jujube trees?
A) Mid-summer
B) Late winter or early spring
C) Late autumn
D) Any time of year
Created with That Quiz — the site for test creation and grading in math and other subjects.