How to Identify and Classify Ziziphus Fruits
  • 1. What is the scientific genus name for Jujube fruits?
A) Citrus
B) Prunus
C) Malus
D) Ziziphus
  • 2. What is a primary characteristic used to identify Ziziphus fruits?
A) Fruit shape
B) Leaf vein pattern
C) Branch bark color
D) Root depth
  • 3. What is the typical texture of a ripe Jujube fruit?
A) Hard and woody
B) Crisp and crunchy
C) Slimy and smooth
D) Soft and mushy
  • 4. What is the dominant color of a fully ripe Li Jujube?
A) Black
B) Yellow
C) Reddish-brown
D) Green
  • 5. Which of these is NOT a common use of Ziziphus fruits?
A) Snack food
B) Herbal medicine
C) Ingredient in desserts
D) Fuel source
  • 6. What type of climate is best suited for growing Jujube trees?
A) Tropical and wet
B) Cold and humid
C) Warm and arid
D) Temperate and rainy
  • 7. The size of the fruit is important for classification. What unit of measure is most useful?
A) Inches
B) Pounds
C) Centimeters
D) Ounces
  • 8. What is the common name for Ziziphus jujuba?
A) Date
B) Apricot
C) Jujube
D) Plum
  • 9. The seed inside a Ziziphus fruit is also known as?
A) Core
B) Pod
C) Hull
D) Pit
  • 10. What feature on the exterior of the fruit aids in ID?
A) Root depth
B) Flower color
C) Presence of blemishes
D) Leaf shape
  • 11. What is the most important aspect of taste that helps classify Ziziphus fruits?
A) Sweetness level
B) Bitterness
C) Acidity level
D) Saltiness
  • 12. Which species has a smaller, rounder fruit, more readily eaten dried?
A) Ziziphus obtusifolia
B) Ziziphus jujuba
C) Ziziphus mauritiana
D) Ziziphus nummularia
  • 13. What is the shape of a mature Li Jujube fruit?
A) Square
B) Pear-shaped
C) Oblong
D) Round
  • 14. What ripening stage is best for immediate consumption?
A) Fully colored and slightly firm
B) Overly soft
C) Beginning to shrivel
D) Completely green
  • 15. What is the typical color of the flesh inside a ripe Jujube?
A) Creamy white to pale yellow
B) Dark brown
C) Bright red
D) Deep green
  • 16. What tool can be used to accurately measure the size of a fruit?
A) Protractor
B) Scale
C) Ruler
D) Caliper
  • 17. Ziziphus mauritiana is also known as?
A) Honey Jar Jujube
B) Indian Jujube
C) Lang Jujube
D) Chinese Date
  • 18. What quality of the skin of the fruit should be observed?
A) Thickness and smoothness
B) Weight
C) Smell
D) Temperature
  • 19. Which characteristic is MOST helpful for differentiating cultivars?
A) Leaf color
B) Taste profile
C) Branch length
D) Root structure
  • 20. What is the term for a cultivar's typical time to ripeness?
A) Flowering time
B) Maturity date
C) Germination rate
D) Pollination period
  • 21. Which Ziziphus species is native to North America?
A) Ziziphus mauritiana
B) Ziziphus vulgaris
C) Ziziphus jujuba
D) Ziziphus obtusifolia
  • 22. The Honey Jar jujube is known for which feature?
A) Small, very sweet fruit
B) Very late ripening
C) Spines on the branches
D) Large fruit with a tart flavor
  • 23. What is the meaning of drupe in botany regarding these fruits?
A) Dry fruit that splits open
B) Fleshy fruit with a single hard stone
C) Fruit that is seedless
D) Fruit formed from a cluster of flowers
  • 24. What tool is BEST for cutting open the fruit to examine the seed?
A) Saw
B) Spoon
C) Hammer
D) Sharp knife
  • 25. Why is chilling the fruit sometimes helpful for classification?
A) Changes the color
B) Enhances flavor for tasting
C) Increases the size
D) Removes the seeds easier
  • 26. What is an important aspect when observing the seed?
A) Taste of the seed
B) Smell of the seed
C) Color of seed coating
D) Shape and size
  • 27. The Lang jujube is known for which feature?
A) Bitter taste
B) Extremely early ripening
C) Pear shaped fruit
D) Very round fruit
  • 28. When is the best time of day to evaluate jujube fruits for ripeness?
A) Early evening
B) Early morning
C) Late at night
D) Mid-morning
  • 29. What is the typical sugar content range of a ripe jujube fruit?
A) 60-70%
B) 5-10%
C) 20-30%
D) 40-50%
  • 30. What is a major factor for the fruit setting on the tree?
A) Leaf size
B) Bark thickness
C) Root depth
D) Pollination
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