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How to Cultivate Ziziphus Fruits - Test
Contributed by: Webster
  • 1. What is the common name for Ziziphus jujuba?
A) Fig
B) Jujube
C) Lychee
D) Date Palm
  • 2. What climate is best suited for Jujube trees?
A) Arctic Tundra
B) Tropical Rainforest
C) High Altitude Alpine
D) Warm Temperate to Subtropical
  • 3. What type of soil drainage is preferred for Jujube trees?
A) Waterlogged
B) Consistently Moist
C) Well-drained
D) Poorly drained
  • 4. What is the optimal soil pH for Jujube trees?
A) 6.0-7.5
B) 8.0-9.0
C) 9.0-10.0
D) 4.0-5.0
  • 5. How are Jujube trees typically propagated?
A) Air Layering
B) Cuttings
C) Grafting or Budding
D) Seeds
  • 6. What is the recommended spacing between Jujube trees?
A) 5-10 feet
B) 30-40 feet
C) 2-3 feet
D) 15-20 feet
  • 7. When is the best time to plant Jujube trees?
A) Mid-Winter
B) Early Spring or Late Fall
C) Mid-Summer
D) Anytime of Year
  • 8. What type of fertilizer is beneficial for Jujube trees?
A) No Fertilizer Required
B) High Nitrogen Fertilizer
C) High Phosphorus Fertilizer
D) Balanced NPK fertilizer
  • 9. How often should Jujube trees be watered, especially when young?
A) Regularly, especially when young
B) Only during heavy rains
C) Never
D) Very Rarely
  • 10. Why is pruning important for Jujube trees?
A) To improve fruit production and tree structure
B) Pruning is not necessary
C) To prevent flowering
D) To stunt growth
  • 11. When is the best time to prune Jujube trees?
A) Late Fall
B) Mid-Summer
C) Late Winter or Early Spring
D) Anytime of Year
  • 12. What is a common pest that affects Jujube trees?
A) Mealybugs
B) Spider Mites
C) Jujube fruit fly
D) Aphids
  • 13. What is a common disease that affects Jujube trees?
A) Black Spot
B) Witches' Broom
C) Powdery Mildew
D) Rust
  • 14. How long does it take for a Jujube tree to start producing fruit after planting?
A) 1 year
B) 6-10 years
C) Never
D) 2-5 years
  • 15. When are Jujube fruits typically harvested?
A) Late Summer to Fall
B) Late Spring
C) Early Spring
D) Mid-Winter
  • 16. What is the color of a ripe Jujube fruit?
A) Purple
B) Green
C) Reddish-brown
D) Yellow
  • 17. How do you know when a Jujube fruit is ripe?
A) Color change and slight wrinkling
B) Size of fruit
C) Firmness and bright color
D) Softness and falling from tree
  • 18. How should Jujube fruits be stored after harvesting?
A) Refrigerated
B) Left at room temperature
C) Under Direct Sunlight
D) Frozen
  • 19. What is the shelf life of fresh Jujube fruits?
A) 1-2 days at room temperature
B) Only a few hours
C) Several weeks refrigerated
D) Indefinitely if frozen
  • 20. What is one way to process Jujube fruits for longer storage?
A) Pickling
B) Canning in water
C) Fermenting
D) Drying
  • 21. What is a common use for dried Jujube fruits?
A) Snacks and herbal remedies
B) Biofuel
C) Animal feed
D) Juice production
  • 22. Are Jujube trees self-pollinating?
A) Pollination is not necessary
B) Yes, but cross-pollination improves fruit set
C) Only under certain conditions
D) No, they require a specific pollinator
  • 23. What does "scion" refer to in Jujube grafting?
A) The fertilizer used
B) The rootstock
C) The part that produces the fruit
D) A type of pruning technique
  • 24. What is the purpose of rootstock selection in Jujube cultivation?
A) To influence disease resistance and growth habit
B) To determine the fruit flavor
C) To prevent the need for pruning
D) To control the color of the leaves
  • 25. What is the benefit of using a drip irrigation system for Jujube trees?
A) Efficient water use and reduced disease risk
B) Increased weed growth
C) No benefit
D) Soil erosion
  • 26. What is the primary method of Jujube plant propagation?
A) Grafting
B) Division
C) Layering
D) Seeds
  • 27. What nutrient deficiency can cause yellowing of Jujube leaves?
A) Nitrogen
B) Potassium
C) Phosphorus
D) Calcium
  • 28. How does fruit thinning affect Jujube trees?
A) Has no effect on fruit
B) Increases fruit size and quality
C) Reduces fruit production
D) Causes premature fruit drop
  • 29. What is the benefit of mulching around Jujube trees?
A) Moisture retention and weed suppression
B) Increased soil temperature
C) Attracting pests
D) Preventing air circulation
  • 30. Which of the following is a characteristic of mature Jujube tree bark?
A) Peeling and papery
B) Shiny and black
C) Rough and furrowed
D) Smooth and green
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