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