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