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