How to Identify and Classify Blueberries
  • 1. What is the most common color of ripe blueberries?
A) Bright red
B) Deep blue with a whitish bloom
C) Yellow
D) Green
  • 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) All are the same size
B) Rabbiteye
C) Lowbush
D) Highbush
  • 4. Lowbush blueberries are primarily found in which regions?
A) Southern Europe
B) South America
C) Australia
D) Northern North America
  • 5. Highbush blueberries typically grow to what height?
A) 1-2 feet
B) Less than 6 inches
C) 6-12 feet
D) 20-30 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) Elliptical
B) Square
C) Triangular
D) Circular
  • 8. Which season are blueberries typically harvested in?
A) Spring
B) Autumn
C) Winter
D) Summer
  • 9. What is the taste of a ripe blueberry typically described as?
A) Sweet and slightly tart
B) Extremely bitter
C) Very sour
D) Completely flavorless
  • 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) Pale white color
B) Uniform deep blue color
C) Bright red color
D) Slightly green color
  • 12. Which blueberry type needs the most chill hours?
A) Rabbiteye
B) Northern Highbush
C) Southern Highbush
D) Lowbush
  • 13. What soil pH level is ideal for blueberry growth?
A) 4.5 to 5.5
B) 6.5 to 7.5
C) 7.5 to 8.5
D) 5.5 to 6.5
  • 14. Which feature helps distinguish blueberry varieties?
A) Planting depth
B) Leaf shape and venation
C) Sunlight exposure
D) Soil acidity level
  • 15. What is the fruit structure of a blueberry?
A) Drupe
B) Berry
C) Aggregate fruit
D) Pome
  • 16. How do blueberry flowers typically appear?
A) Bell-shaped
B) Cone-shaped
C) Daisy-like
D) Star-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) Cloud cover
B) Soil temperature
C) Wind direction
D) Bee activity
  • 19. What root system do blueberries possess?
A) Fibrous
B) Tuberous
C) Taproot
D) Adventitious
  • 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) Leaf texture
D) Sugar content
  • 22. What kind of fertilizer is suitable for blueberries?
A) Acid-forming fertilizer
B) Alkaline fertilizer
C) Any fertilizer
D) Neutral fertilizer
  • 23. What pest is commonly associated with blueberry plants?
A) Aphids
B) Blueberry maggot
C) Whiteflies
D) Spider mites
  • 24. Which disease affects blueberries?
A) Mummy berry
B) Leaf rust
C) Black spot
D) Powdery mildew
  • 25. What can be used to acidify the soil for blueberries?
A) Wood ash
B) Sulfur
C) Baking soda
D) Lime
  • 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) Thickens the stems
B) Reduces sun exposure
C) Promotes new growth
D) Decreases the size of the bush
  • 28. What happens if blueberries lack sufficient chill hours?
A) Increased leaf growth
B) Reduced fruit set
C) More vigorous roots
D) Deeper blue color
  • 29. Which environment promotes better flavor development in blueberries?
A) Dry air
B) High humidity
C) Full sun
D) Deep shade
  • 30. What causes uneven ripening in blueberries?
A) Lack of nitrogen
B) Variable sunlight exposure
C) Consistent pruning
D) Over-watering
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