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