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