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How to Identify and Classify Ziziphus Fruits
Contributed by: Andrews
  • 1. What is the scientific genus name for Jujube fruits?
A) Malus
B) Citrus
C) Ziziphus
D) Prunus
  • 2. What is a primary characteristic used to identify Ziziphus fruits?
A) Leaf vein pattern
B) Fruit shape
C) Branch bark color
D) Root depth
  • 3. What is the typical texture of a ripe Jujube fruit?
A) Slimy and smooth
B) Soft and mushy
C) Hard and woody
D) Crisp and crunchy
  • 4. What is the dominant color of a fully ripe Li Jujube?
A) Yellow
B) Reddish-brown
C) Black
D) Green
  • 5. Which of these is NOT a common use of Ziziphus fruits?
A) Ingredient in desserts
B) Snack food
C) Fuel source
D) Herbal medicine
  • 6. What type of climate is best suited for growing Jujube trees?
A) Temperate and rainy
B) Warm and arid
C) Cold and humid
D) Tropical and wet
  • 7. The size of the fruit is important for classification. What unit of measure is most useful?
A) Inches
B) Ounces
C) Centimeters
D) Pounds
  • 8. What is the common name for Ziziphus jujuba?
A) Jujube
B) Apricot
C) Date
D) Plum
  • 9. The seed inside a Ziziphus fruit is also known as?
A) Pod
B) Pit
C) Core
D) Hull
  • 10. What feature on the exterior of the fruit aids in ID?
A) Root depth
B) Leaf shape
C) Presence of blemishes
D) Flower color
  • 11. What is the most important aspect of taste that helps classify Ziziphus fruits?
A) Acidity level
B) Saltiness
C) Sweetness level
D) Bitterness
  • 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) 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) Deep green
B) Dark brown
C) Bright red
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) Lang Jujube
B) Honey Jar Jujube
C) Indian Jujube
D) Chinese Date
  • 18. What quality of the skin of the fruit should be observed?
A) Weight
B) Temperature
C) Smell
D) Thickness and smoothness
  • 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 vulgaris
B) Ziziphus mauritiana
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) Fleshy fruit with a single hard stone
B) Fruit formed from a cluster of flowers
C) Fruit that is seedless
D) Dry fruit that splits open
  • 24. What tool is BEST for cutting open the fruit to examine the seed?
A) Sharp knife
B) Hammer
C) Spoon
D) Saw
  • 25. Why is chilling the fruit sometimes helpful for classification?
A) Removes the seeds easier
B) Enhances flavor for tasting
C) Changes the color
D) Increases the size
  • 26. What is an important aspect when observing the seed?
A) Smell of the seed
B) Taste of the seed
C) Shape and size
D) Color of seed coating
  • 27. The Lang jujube is known for which feature?
A) Pear shaped fruit
B) Very round fruit
C) Extremely early ripening
D) Bitter taste
  • 28. When is the best time of day to evaluate jujube fruits for ripeness?
A) Late at night
B) Early evening
C) Mid-morning
D) Early morning
  • 29. What is the typical sugar content range of a ripe jujube fruit?
A) 40-50%
B) 60-70%
C) 5-10%
D) 20-30%
  • 30. What is a major factor for the fruit setting on the tree?
A) Bark thickness
B) Pollination
C) Leaf size
D) Root depth
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