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How to Identify and Classify Currants
  • 1. What is the most defining characteristic to differentiate currants from gooseberries?
A) Currants are sweet; gooseberries are sour.
B) Currants are thorny; gooseberries are thornless.
C) Currants are always red; gooseberries are always green.
D) Currants grow in clusters; gooseberries grow singly.
  • 2. Which genus do currants belong to?
A) Ribes
B) Vaccinium
C) Fragaria
D) Rubus
  • 3. What color are the berries of the 'Red Lake' currant variety?
A) White
B) Red
C) Pink
D) Black
  • 4. Which of these is NOT a common color for currant berries?
A) White
B) Blue
C) Black
D) Red
  • 5. How are black currants typically used compared to red currants?
A) Exclusively used in alcoholic beverages.
B) Only used as ornamental plants.
C) More often eaten fresh due to their sweetness.
D) More often used in jams and preserves due to their strong flavor.
  • 6. What is a characteristic flavor profile of black currants?
A) Bitter and unpleasant.
B) Earthy and tart with a unique aroma.
C) Extremely sweet and fruity.
D) Mild and bland.
  • 7. What leaf characteristic is helpful for currant identification?
A) Serrated, heart-shaped leaves.
B) Smooth, oval leaves.
C) Palmate lobed leaves.
D) Needle-like leaves.
  • 8. How many lobes do currant leaves typically have?
A) 6-8
B) 3-5
C) 1-2
D) More than 10
  • 9. What is the typical growth habit of a currant bush?
A) Upright and spreading.
B) Columnar and narrow.
C) Ground-hugging and low.
D) Trailing and vine-like.
  • 10. Which currant species is commonly used for creating 'crème de cassis' liqueur?
A) Red currant (Ribes rubrum).
B) White currant (Ribes rubrum 'White Versailles').
C) Black currant (Ribes nigrum).
D) Alpine currant (Ribes alpinum).
  • 11. How does the flavor of white currants compare to red currants?
A) Sweeter and less tart.
B) Bitter and unpleasant.
C) Identical in flavor.
D) More tart and acidic.
  • 12. What is the flowering time for most currant varieties?
A) Autumn
B) Winter
C) Summer
D) Spring
  • 13. What type of soil do currants prefer?
A) Extremely acidic soil.
B) Well-drained, fertile soil.
C) Dry, sandy soil.
D) Waterlogged, clay soil.
  • 14. How much sunlight do currants need to thrive?
A) Full sun to partial shade.
B) Artificial light only.
C) Full shade only.
D) Very little sunlight.
  • 15. What is the primary method of propagating currants?
A) Seeds.
B) Cuttings.
C) Air layering.
D) Grafting.
  • 16. Which disease is a significant concern for currant bushes?
A) White pine blister rust.
B) Black spot.
C) Powdery mildew.
D) Apple scab.
  • 17. Why is white pine blister rust a concern for currant growers?
A) Currants are an alternate host for the disease, impacting white pines.
B) Currants are directly killed by the disease.
C) The disease has no impact on currant plants.
D) The disease only affects the fruit, not the plant.
  • 18. What is the best time of year to prune currant bushes?
A) Mid-summer.
B) Any time of year.
C) Late autumn.
D) Late winter or early spring.
  • 19. What is the purpose of pruning currant bushes?
A) To prevent flowering.
B) To make the plant more aesthetically pleasing.
C) To improve air circulation and fruit production.
D) To stunt the plant's growth.
  • 20. How many years does it typically take for a newly planted currant bush to produce fruit?
A) 10+ years.
B) 1-3 years.
C) 5-7 years.
D) Immediately after planting.
  • 21. What is the approximate height of a mature currant bush?
A) 3-5 feet.
B) 10-15 feet.
C) Over 20 feet.
D) Less than 1 foot.
  • 22. What is a potential pest that can affect currant bushes?
A) Japanese beetle.
B) All of the above.
C) Currant borer.
D) Aphids.
  • 23. Where do currants typically produce the most fruit?
A) On 2-3 year old wood
B) On new growth only
C) On the oldest wood
D) Equally on all wood ages
  • 24. Which species of currant is known for its ornamental value due to fragrant yellow flowers?
A) Red Currant (Ribes rubrum)
B) Alpine Currant (Ribes alpinum)
C) Black Currant (Ribes nigrum)
D) Golden Currant (Ribes aureum)
  • 25. What nutrient is particularly important for currant growth and fruit production?
A) Calcium
B) Nitrogen
C) Phosphorus
D) Potassium
  • 26. Which form of nitrogen is most readily available to currant bushes?
A) Atmospheric nitrogen
B) Ammonium
C) Nitrate
D) Urea
  • 27. What pH level is ideal for growing currants?
A) 4.0-5.0
B) 6.0-7.0
C) 7.5-8.5
D) Above 9.0
  • 28. Which is a common use for currant leaves?
A) Making herbal tea
B) Mulching material
C) Used to make paper
D) Animal feed
  • 29. Which vitamin are currants particularly rich in?
A) Vitamin A
B) Vitamin B12
C) Vitamin D
D) Vitamin C
  • 30. What is the best way to protect currants from birds?
A) Shiny objects
B) Scarecrows
C) Netting
D) Loud noises
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