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