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How to Identify and Classify Blueberries
Contributed by: Woolley
  • 1. What is the most common color of ripe blueberries?
A) Green
B) Deep blue with a whitish bloom
C) Yellow
D) Bright red
  • 2. What is the powdery coating on blueberries called?
A) Wax
B) Dust
C) Bloom
D) Glaze
  • 3. Which blueberry type is generally larger in size?
A) Lowbush
B) All are the same size
C) Highbush
D) Rabbiteye
  • 4. Lowbush blueberries are primarily found in which regions?
A) Southern Europe
B) South America
C) Northern North America
D) Australia
  • 5. Highbush blueberries typically grow to what height?
A) 20-30 feet
B) Less than 6 inches
C) 6-12 feet
D) 1-2 feet
  • 6. What is a key characteristic of Rabbiteye blueberries?
A) Grows best in wet environments
B) Tolerant of heat and drought
C) Highly susceptible to frost
D) Requires very acidic soil
  • 7. What is the shape of a typical blueberry leaf?
A) Triangular
B) Circular
C) Elliptical
D) Square
  • 8. Which season are blueberries typically harvested in?
A) Summer
B) Autumn
C) Spring
D) Winter
  • 9. What is the taste of a ripe blueberry typically described as?
A) Extremely bitter
B) Sweet and slightly tart
C) Very sour
D) Completely flavorless
  • 10. What is the scientific genus of blueberries?
A) Fragaria
B) Malus
C) Rubus
D) Vaccinium
  • 11. What is the best way to determine ripeness by sight?
A) Slightly green color
B) Bright red color
C) Pale white color
D) Uniform deep blue color
  • 12. Which blueberry type needs the most chill hours?
A) Lowbush
B) Rabbiteye
C) Northern Highbush
D) Southern Highbush
  • 13. What soil pH level is ideal for blueberry growth?
A) 5.5 to 6.5
B) 7.5 to 8.5
C) 4.5 to 5.5
D) 6.5 to 7.5
  • 14. Which feature helps distinguish blueberry varieties?
A) Leaf shape and venation
B) Soil acidity level
C) Planting depth
D) Sunlight exposure
  • 15. What is the fruit structure of a blueberry?
A) Pome
B) Drupe
C) Berry
D) Aggregate fruit
  • 16. How do blueberry flowers typically appear?
A) Bell-shaped
B) Daisy-like
C) Cone-shaped
D) Star-shaped
  • 17. What is the common use for blueberries?
A) Animal feed
B) Fresh eating and baking
C) Road construction
D) Industrial solvent
  • 18. What is an important consideration for blueberry pollination?
A) Wind direction
B) Cloud cover
C) Soil temperature
D) Bee activity
  • 19. What root system do blueberries possess?
A) Tuberous
B) Taproot
C) Fibrous
D) Adventitious
  • 20. What type of pruning is beneficial for blueberries?
A) No pruning required
B) Heavy shearing
C) Completely removing all branches
D) Selective pruning of old wood
  • 21. Which factor determines blueberry sweetness?
A) Sugar content
B) Acidity levels
C) Leaf texture
D) Bloom thickness
  • 22. What kind of fertilizer is suitable for blueberries?
A) Acid-forming fertilizer
B) Neutral fertilizer
C) Alkaline fertilizer
D) Any fertilizer
  • 23. What pest is commonly associated with blueberry plants?
A) Aphids
B) Whiteflies
C) Spider mites
D) Blueberry maggot
  • 24. Which disease affects blueberries?
A) Powdery mildew
B) Leaf rust
C) Black spot
D) Mummy berry
  • 25. What can be used to acidify the soil for blueberries?
A) Baking soda
B) Lime
C) Wood ash
D) Sulfur
  • 26. What is the purpose of netting blueberry bushes?
A) Protect from birds
B) Warm the soil
C) Prevent fungal diseases
D) Increase humidity
  • 27. How does pruning help improve blueberry yield?
A) Decreases the size of the bush
B) Reduces sun exposure
C) Thickens the stems
D) Promotes new growth
  • 28. What happens if blueberries lack sufficient chill hours?
A) More vigorous roots
B) Reduced fruit set
C) Deeper blue color
D) Increased leaf growth
  • 29. Which environment promotes better flavor development in blueberries?
A) Full sun
B) High humidity
C) Dry air
D) Deep shade
  • 30. What causes uneven ripening in blueberries?
A) Over-watering
B) Consistent pruning
C) Lack of nitrogen
D) Variable sunlight exposure
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