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How to Identify and Classify Radicchios
Contributed by: Woolley
  • 1. What family does radicchio belong to?
A) Apiaceae
B) Brassicaceae
C) Solanaceae
D) Asteraceae
  • 2. Which radicchio variety is known for its round shape and tightly closed head?
A) Verona
B) Chioggia
C) Castelfranco
D) Treviso
  • 3. What is the defining characteristic of Radicchio Rosso di Treviso Tardivo?
A) Elongated, curved shape with thin, slightly bitter leaves
B) Cone-shaped head with broad, crunchy leaves
C) Round shape, sweet flavor, and bright red color
D) Variegated leaves and a ruffled appearance
  • 4. Which radicchio is known for its variegated or marbled appearance?
A) Chioggia
B) Verona
C) Treviso
D) Castelfranco
  • 5. What contributes to radicchio's characteristic bitterness?
A) Capsaicin
B) Lactucopicrin
C) Solanine
D) Glucosinolates
  • 6. Which radicchio is forced in the dark to produce blanched leaves?
A) Castelfranco
B) Chioggia
C) Verona
D) Treviso Tardivo
  • 7. What color are the leaves of Radicchio Verona?
A) White
B) Green
C) Dark red
D) Yellow
  • 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) Spring and Summer
B) Year-round
C) Only in the Summer
D) Fall and Winter
  • 10. What is the primary use of radicchio in culinary applications?
A) Baking
B) Jams
C) Soups only
D) Salads
  • 11. Which part of Italy is most famous for radicchio production?
A) Lombardy
B) Tuscany
C) Sicily
D) Veneto
  • 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) Smaller size
B) Sweeter flavor
C) Later harvest
D) Earlier harvest
  • 14. What type of soil is ideal for growing radicchio?
A) Sandy
B) Waterlogged
C) Clay-heavy
D) Well-drained
  • 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) Hot temperatures
B) Freezing temperatures
C) Tropical temperatures
D) Cool temperatures
  • 17. Which of the following is a common pest of radicchio?
A) Bees
B) Ladybugs
C) Aphids
D) Earthworms
  • 18. What is a key difference between the 'Forced' and 'Open Field' methods for growing Treviso radicchio?
A) Fertilizer used
B) Soil type
C) Light exposure
D) Watering frequency
  • 19. Which visual characteristic is MOST important for identifying Chioggia radicchio?
A) Round shape
B) Variegated leaves
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) Protein
C) Antioxidants
D) Vitamin C
  • 22. What is the scientific name for radicchio?
A) Lactuca sativa
B) Solanum lycopersicum
C) Brassica oleracea
D) Cichorium intybus
  • 23. What color are the veins of a Castelfranco radicchio?
A) Red
B) Yellow
C) Green
D) Purple
  • 24. What is the impact of frost on radicchio?
A) Enhances flavor
B) Stunts growth
C) Damages the plant
D) No impact
  • 25. Which of these descriptions best fits Radicchio Spadona?
A) Cone-shaped head with broad, crunchy leaves
B) Variegated leaves and a ruffled appearance
C) Round shaped, sweet flavor, and bright red color
D) Sword shaped with a slightly bitter flavour
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