How to Identify and Classify Blueberries
  • 1. What is the most common color of ripe blueberries?
A) Yellow
B) Deep blue with a whitish bloom
C) Bright red
D) Green
  • 2. What is the powdery coating on blueberries called?
A) Glaze
B) Dust
C) Wax
D) Bloom
  • 3. Which blueberry type is generally larger in size?
A) Lowbush
B) All are the same size
C) Rabbiteye
D) Highbush
  • 4. Lowbush blueberries are primarily found in which regions?
A) South America
B) Northern North America
C) Southern Europe
D) Australia
  • 5. Highbush blueberries typically grow to what height?
A) 20-30 feet
B) 6-12 feet
C) Less than 6 inches
D) 1-2 feet
  • 6. What is a key characteristic of Rabbiteye blueberries?
A) Requires very acidic soil
B) Tolerant of heat and drought
C) Grows best in wet environments
D) Highly susceptible to frost
  • 7. What is the shape of a typical blueberry leaf?
A) Elliptical
B) Square
C) Circular
D) Triangular
  • 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) Extremely bitter
B) Very sour
C) Completely flavorless
D) Sweet and slightly tart
  • 10. What is the scientific genus of blueberries?
A) Fragaria
B) Malus
C) Vaccinium
D) Rubus
  • 11. What is the best way to determine ripeness by sight?
A) Uniform deep blue color
B) Pale white color
C) Slightly green color
D) Bright red color
  • 12. Which blueberry type needs the most chill hours?
A) Northern Highbush
B) Southern Highbush
C) Rabbiteye
D) Lowbush
  • 13. What soil pH level is ideal for blueberry growth?
A) 5.5 to 6.5
B) 7.5 to 8.5
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) Sunlight exposure
D) Planting depth
  • 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) Star-shaped
B) Bell-shaped
C) Cone-shaped
D) Daisy-like
  • 17. What is the common use for blueberries?
A) Industrial solvent
B) Fresh eating and baking
C) Road construction
D) Animal feed
  • 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) Adventitious
B) Fibrous
C) Tuberous
D) Taproot
  • 20. What type of pruning is beneficial for blueberries?
A) Selective pruning of old wood
B) Completely removing all branches
C) No pruning required
D) Heavy shearing
  • 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) Neutral fertilizer
B) Alkaline fertilizer
C) Acid-forming fertilizer
D) Any fertilizer
  • 23. What pest is commonly associated with blueberry plants?
A) Whiteflies
B) Blueberry maggot
C) Aphids
D) Spider mites
  • 24. Which disease affects blueberries?
A) Leaf rust
B) Powdery mildew
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) Prevent fungal diseases
C) Warm the soil
D) Increase humidity
  • 27. How does pruning help improve blueberry yield?
A) Decreases the size of the bush
B) Promotes new growth
C) Thickens the stems
D) Reduces sun exposure
  • 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) Dry air
C) Full sun
D) Deep shade
  • 30. What causes uneven ripening in blueberries?
A) Lack of nitrogen
B) Consistent pruning
C) Over-watering
D) Variable sunlight exposure
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