How to Identify and Classify Radishes
  • 1. What family do radishes belong to?
A) Brassicaceae
B) Cucurbitaceae
C) Asteraceae
D) Solanaceae
  • 2. Which part of the radish plant is typically consumed?
A) The stem
B) The root
C) The flower
D) The leaves
  • 3. What is the primary distinguishing factor between radish varieties?
A) Flower size
B) Seed size
C) Leaf texture
D) Root shape and color
  • 4. What is the shape of a 'Cherry Belle' radish?
A) Long and thin
B) Conical
C) Round
D) Oblong
  • 5. Which radish is known for its elongated shape?
A) French Breakfast
B) Sparkler
C) Easter Egg
D) Champion
  • 6. What color is the 'Black Spanish' radish typically?
A) Purple
B) Black
C) White
D) Red
  • 7. Which radish variety is known for its mild flavor?
A) White Icicle
B) Black Spanish
C) Daikon
D) Red Giant
  • 8. What season are radishes typically grown in?
A) Cool season
B) Warm season
C) Dry season
D) Tropical season
  • 9. What type of soil do radishes prefer?
A) Well-drained
B) Clay-heavy
C) Waterlogged
D) Sandy
  • 10. What is the typical harvest time for most radish varieties?
A) 1-2 weeks
B) 12-16 weeks
C) 8-10 weeks
D) 3-4 weeks
  • 11. Which of these radishes is considered a winter radish?
A) Sparkler
B) Cherry Belle
C) French Breakfast
D) Daikon
  • 12. What color is the 'Easter Egg' radish mix known to produce?
A) Only red
B) Only white
C) Only black
D) Various colors
  • 13. What does 'pungency' refer to in radishes?
A) Saltiness
B) Sweetness
C) Bitterness
D) Spiciness
  • 14. What is the benefit of planting radishes with carrots?
A) Improve soil quality
B) Repel pests
C) Increase carrot size
D) Attract pollinators
  • 15. What is a common pest affecting radish plants?
A) Aphids
B) Spider mites
C) Whiteflies
D) Flea beetles
  • 16. Which of these is NOT a common radish color?
A) White
B) Red
C) Blue
D) Purple
  • 17. Which radish is known for its peppery flavor?
A) Cherry Belle
B) White Icicle
C) French Breakfast
D) Black Spanish
  • 18. What is the optimal soil pH for growing radishes?
A) 6.0-7.0
B) 7.5-8.5
C) 4.0-5.0
D) 8.5-9.5
  • 19. What is 'bolting' in radishes?
A) Root splitting
B) Seed rot
C) Premature flowering
D) Leaf discoloration
  • 20. What can cause radishes to become overly pungent?
A) Too much water
B) Poor soil
C) Hot weather
D) Lack of sunlight
  • 21. Which of the following describes a 'Watermelon' radish?
A) White outside, red inside
B) Black outside, pink inside
C) Red outside, white inside
D) Green outside, pink inside
  • 22. How deep should radish seeds be planted?
A) 3 inches
B) 1 inch
C) 2 inches
D) 1/2 inch
  • 23. What is a 'rat-tailed' radish grown for?
A) Flowers
B) Leaves
C) Roots
D) Seed pods
  • 24. What does proper thinning of radish seedlings achieve?
A) Faster germination
B) Reduced pest attraction
C) Better root development
D) Increased leaf production
  • 25. Which country is Daikon radish most commonly associated with?
A) Germany
B) Japan
C) Spain
D) France
  • 26. What does adequate watering prevent in radishes?
A) Bolting
B) Splitting
C) Pest infestation
D) Disease
  • 27. Radish greens are edible, and taste best when?
A) Dried
B) Young and tender
C) Wilted
D) Mature and large
  • 28. What is one way to help radishes retain moisture in dry conditions?
A) Pesticide application
B) Fertilizing heavily
C) Pruning
D) Mulching
  • 29. Which radish has the longest storage life?
A) Summer radishes
B) Winter radishes
C) Spring radishes
D) All radishes store equally well
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