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