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