How to Identify and Classify Kiwifruits
  • 1. What is the primary genus of kiwifruit?
A) Citrus
B) Fragaria
C) Malus
D) Actinidia
  • 2. Which species is the most commercially grown kiwifruit?
A) Actinidia kolomikta
B) Actinidia arguta
C) Actinidia deliciosa
D) Actinidia chinensis
  • 3. What is a key characteristic of 'Hayward' kiwifruit?
A) Red flesh
B) Smooth green skin
C) Small size
D) Fuzzy brown skin
  • 4. Which kiwifruit species is known as 'kiwi berry'?
A) Actinidia eriantha
B) Actinidia deliciosa
C) Actinidia arguta
D) Actinidia chinensis
  • 5. What is the typical flesh color of 'Hayward' kiwifruit?
A) Green
B) White
C) Gold
D) Red
  • 6. Which species typically has golden flesh?
A) Actinidia arguta
B) Actinidia kolomikta
C) Actinidia deliciosa
D) Actinidia chinensis
  • 7. What is the approximate size of a 'kiwi berry'?
A) Grape-sized
B) Lemon-sized
C) Egg-sized
D) Orange-sized
  • 8. Which species is known for its ornamental pink and white foliage?
A) Actinidia arguta
B) Actinidia kolomikta
C) Actinidia deliciosa
D) Actinidia chinensis
  • 9. What is the primary method of kiwifruit propagation?
A) Direct seeding
B) Division
C) Grafting
D) Layering
  • 10. Kiwifruit are dioecious. What does this mean?
A) Grows only in tropical climates
B) Hermaphroditic flowers
C) Self-pollinating
D) Separate male and female plants
  • 11. What is a key indicator of kiwifruit ripeness?
A) Attached stem
B) Completely hard fruit
C) Slight give to pressure
D) Bright green color
  • 12. Which of these is NOT a factor in classifying kiwifruit?
A) Fruit size
B) Soil pH
C) Flesh color
D) Skin texture
  • 13. What is a common pest affecting kiwifruit?
A) Aphids
B) Ladybugs
C) Grasshoppers
D) Scale insects
  • 14. Which climate is most suitable for growing Actinidia deliciosa?
A) Polar
B) Arid
C) Tropical
D) Temperate
  • 15. Which type of kiwifruit can often be eaten whole (skin and all)?
A) Golden kiwifruit (Actinidia chinensis)
B) Kiwi berry (Actinidia arguta)
C) Actinidia eriantha
D) Hayward (Actinidia deliciosa)
  • 16. What is the typical shape of 'Hayward' kiwifruit?
A) Oval
B) Elongated
C) Pear-shaped
D) Round
  • 17. What visual characteristic distinguishes 'Gold' kiwifruit from 'Green' kiwifruit?
A) Size
B) Shape
C) Flesh color
D) Skin texture
  • 18. Why is proper pollination crucial for kiwifruit production?
A) Disease resistance
B) Leaf growth
C) Fruit set and size
D) Root development
  • 19. What do you call the vine or plant structure on which kiwifruit grows?
A) Tree
B) Bush
C) Shrub
D) Arbor
  • 20. Which continent did Kiwifruit originate from?
A) Europe
B) South America
C) Africa
D) Asia
  • 21. What is the main difference between a kiwifruit 'selection' and a 'cultivar'?
A) Cultivars are always male plants
B) Cultivars are bred and propagated consistently
C) Selections are only found in the wild
D) Selections are always superior to cultivars
  • 22. Which of the following describes the leaf shape of most kiwifruit vines?
A) Elliptical (oval-shaped)
B) Cordate (heart-shaped)
C) Palmate (hand-shaped)
D) Lanceolate (spear-shaped)
  • 23. What is the role of hydrogen cyanamide in kiwifruit cultivation?
A) Breaking dormancy
B) Preventing fungal diseases
C) Increasing vine growth
D) Enhancing fruit color
  • 24. How does fruit size typically change as you move along a kiwifruit cane from base to tip?
A) Decreases
B) Becomes erratic
C) Stays the same
D) Increases
  • 25. What is a major post-harvest consideration for kiwifruit to maintain quality?
A) Ethylene sensitivity
B) Freezing temperature
C) Light exposure
D) High humidity
  • 26. What is the approximate number of days from flowering to harvest for 'Hayward' kiwifruit?
A) 60-80 days
B) 150-170 days
C) 100-120 days
D) 220-240 days
  • 27. What is the Brix level a measure of?
A) Vitamin C content
B) Firmness
C) Acidity
D) Sugar content
  • 28. What can be used as an indicator of ripeness in red kiwifruit varieties?
A) Deepening red hue of the flesh
B) Scent of the fruit
C) The size of the fruit
D) Softening of the skin
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