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