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How to Identify and Classify Kohlrabis - Quiz
Contributed by: Crossley
  • 1. What family does kohlrabi belong to?
A) Brassicaceae
B) Cucurbitaceae
C) Poaceae
D) Solanaceae
  • 2. What part of the plant is the edible portion of kohlrabi?
A) Leaves
B) Root
C) Swollen stem
D) Fruit
  • 3. What are the two most common kohlrabi colors?
A) Orange and White
B) Black and Brown
C) Red and Yellow
D) Green and Purple
  • 4. A kohlrabi bulb is considered overgrown and less palatable when it exceeds what diameter?
A) 1 inch
B) 9 inches
C) 6 inches
D) 3 inches
  • 5. What is the texture of kohlrabi's flesh typically described as?
A) Grainy and bland
B) Fibrous and sour
C) Crisp and slightly sweet
D) Mushy and bitter
  • 6. Which growing condition can lead to woody kohlrabi?
A) Overcrowding
B) Insufficient water
C) Too much shade
D) Excessive fertilization
  • 7. What leaf characteristic is often associated with kohlrabi varieties?
A) Pungent smell
B) Waxy bloom
C) Hairy surface
D) Spiny edges
  • 8. Which of the following is NOT a common use for kohlrabi?
A) Fuel
B) Soups
C) Stir-fries
D) Salads
  • 9. What is a common pest that affects kohlrabi?
A) Nematodes
B) Spider mites
C) Aphids
D) Cabbage worms
  • 10. Which nutrient is kohlrabi particularly rich in?
A) Vitamin C
B) Vitamin D
C) Vitamin B12
D) Vitamin A
  • 11. What shape is the kohlrabi bulb typically?
A) Cylindrical
B) Cone-shaped
C) Elongated
D) Spherical
  • 12. The flavor of kohlrabi is often compared to which other vegetable?
A) Beet
B) Turnip
C) Carrot
D) Potato
  • 13. Which climate is best suited for growing kohlrabi?
A) Mediterranean
B) Tropical
C) Desert
D) Cool
  • 14. When should kohlrabi be harvested?
A) When leaves turn yellow
B) When flowers appear
C) After the first frost
D) When bulb reaches desired size
  • 15. What does 'kohlrabi' literally translate to?
A) Root vegetable
B) Cabbage turnip
C) Sweet stem
D) Green globe
  • 16. Which of the following is a common kohlrabi variety?
A) Crimson King
B) Golden Delicious
C) Early White Vienna
D) Black Beauty
  • 17. How does nitrogen deficiency manifest in kohlrabi?
A) Dark spots on the bulb
B) Excessive leaf production
C) Bulb cracking
D) Stunted growth and yellowing leaves
  • 18. What soil pH range is ideal for kohlrabi?
A) 8.5-9.5
B) 4.5-5.5
C) 6.0-6.8
D) 7.5-8.5
  • 19. What type of fertilizer is generally recommended for kohlrabi?
A) Balanced fertilizer
B) High phosphorus fertilizer
C) High nitrogen fertilizer
D) High potassium fertilizer
  • 20. What is 'bolting' in kohlrabi?
A) Bulb splitting
B) Root rot
C) Premature flowering
D) Leaf curl
  • 21. Which part of the kohlrabi plant can be cooked similarly to collard greens?
A) Flower
B) Root
C) Stem
D) Leaves
  • 22. How should you store harvested kohlrabi?
A) In the freezer
B) At room temperature
C) In the refrigerator
D) In direct sunlight
  • 23. Which cooking method best preserves kohlrabi's nutrients?
A) Steaming
B) Frying
C) Boiling
D) Baking
  • 24. What is the primary cause of kohlrabi splitting?
A) Excessive sunlight
B) Lack of fertilization
C) Poor soil drainage
D) Inconsistent watering
  • 25. What companion plant is beneficial to kohlrabi?
A) Fennel
B) Rosemary
C) Marigolds
D) Potatoes
  • 26. What is the typical spacing between kohlrabi plants?
A) 12-18 inches
B) 24-36 inches
C) 6-9 inches
D) 1-2 inches
  • 27. Why are kohlrabi seedlings susceptible to flea beetles?
A) Exposure to wind
B) Their small size
C) Soil moisture
D) The plant's scent
  • 28. What is the effect of boron deficiency on kohlrabi?
A) Leaf spot
B) Flower drop
C) Hollow stem
D) Root swelling
  • 29. What is a common way to prepare kohlrabi for eating raw?
A) Deep frying
B) Boiling whole
C) Grilling
D) Peeling and slicing
  • 30. Which part of the world is kohlrabi believed to have originated from?
A) Europe
B) Asia
C) Africa
D) South America
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