How to Identify and Classify Radicchios
  • 1. What family does radicchio belong to?
A) Asteraceae
B) Apiaceae
C) Solanaceae
D) Brassicaceae
  • 2. Which radicchio variety is known for its round shape and tightly closed head?
A) Castelfranco
B) Chioggia
C) Verona
D) Treviso
  • 3. What is the defining characteristic of Radicchio Rosso di Treviso Tardivo?
A) Variegated leaves and a ruffled appearance
B) Cone-shaped head with broad, crunchy leaves
C) Round shape, sweet flavor, and bright red color
D) Elongated, curved shape with thin, slightly bitter leaves
  • 4. Which radicchio is known for its variegated or marbled appearance?
A) Treviso
B) Castelfranco
C) Chioggia
D) Verona
  • 5. What contributes to radicchio's characteristic bitterness?
A) Lactucopicrin
B) Capsaicin
C) Solanine
D) Glucosinolates
  • 6. Which radicchio is forced in the dark to produce blanched leaves?
A) Chioggia
B) Castelfranco
C) Verona
D) Treviso Tardivo
  • 7. What color are the leaves of Radicchio Verona?
A) Yellow
B) Dark red
C) Green
D) White
  • 8. The shape of Radicchio Rosso di Treviso Precoce is best described as?
A) Marbled and ruffled
B) Upright and elongated
C) Round and compact
D) Loose and spreading
  • 9. What time of year is radicchio typically harvested?
A) Fall and Winter
B) Year-round
C) Spring and Summer
D) Only in the Summer
  • 10. What is the primary use of radicchio in culinary applications?
A) Baking
B) Salads
C) Soups only
D) Jams
  • 11. Which part of Italy is most famous for radicchio production?
A) Lombardy
B) Tuscany
C) Veneto
D) Sicily
  • 12. What is the impact of blanching on radicchio's bitterness?
A) Reduces bitterness
B) Increases bitterness
C) Has no impact
D) Changes the color only
  • 13. Which characteristic distinguishes Treviso Precoce from Treviso Tardivo?
A) Earlier harvest
B) Sweeter flavor
C) Smaller size
D) Later harvest
  • 14. What type of soil is ideal for growing radicchio?
A) Well-drained
B) Sandy
C) Clay-heavy
D) Waterlogged
  • 15. What is the primary method of propagation for radicchio?
A) Division
B) Cuttings
C) Seeds
D) Grafting
  • 16. What is the ideal temperature range for radicchio growth?
A) Freezing temperatures
B) Cool temperatures
C) Hot temperatures
D) Tropical temperatures
  • 17. Which of the following is a common pest of radicchio?
A) Earthworms
B) Ladybugs
C) Bees
D) Aphids
  • 18. What is a key difference between the 'Forced' and 'Open Field' methods for growing Treviso radicchio?
A) Fertilizer used
B) Watering frequency
C) Soil type
D) Light exposure
  • 19. Which visual characteristic is MOST important for identifying Chioggia radicchio?
A) Variegated leaves
B) Round shape
C) Elongated shape
D) Spiky leaves
  • 20. In which historical period did radicchio cultivation become widespread?
A) Ancient Rome
B) Medieval Ages
C) Victorian Era
D) 15th Century
  • 21. What nutritional benefit is radicchio primarily known for?
A) Calcium
B) Vitamin C
C) Protein
D) Antioxidants
  • 22. What is the scientific name for radicchio?
A) Lactuca sativa
B) Solanum lycopersicum
C) Cichorium intybus
D) Brassica oleracea
  • 23. What color are the veins of a Castelfranco radicchio?
A) Yellow
B) Green
C) Purple
D) Red
  • 24. What is the impact of frost on radicchio?
A) Stunts growth
B) Damages the plant
C) No impact
D) Enhances flavor
  • 25. Which of these descriptions best fits Radicchio Spadona?
A) Sword shaped with a slightly bitter flavour
B) Round shaped, sweet flavor, and bright red color
C) Cone-shaped head with broad, crunchy leaves
D) Variegated leaves and a ruffled appearance
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