How to Identify and Classify Turnips
  • 1. What plant family do turnips belong to?
A) Asteraceae
B) Solanaceae
C) Brassicaceae
D) Fabaceae
  • 2. Which part of the turnip is typically consumed?
A) The root
B) The leaves
C) The stem
D) The flower
  • 3. What is a key characteristic distinguishing turnips from rutabagas?
A) Turnips have smoother roots
B) Rutabagas have hairy leaves
C) Turnips are always purple
D) Rutabagas are smaller
  • 4. What color flesh are most common turnip varieties?
A) Orange
B) Purple
C) White
D) Red
  • 5. Which of these characteristics is NOT commonly used for classifying turnips?
A) Root shape
B) Flesh color
C) Skin color
D) Flower scent
  • 6. What is the common shape of 'Tokyo Top' turnips?
A) Round
B) Oblong
C) Flat
D) Cylindrical
  • 7. Which of these is a common use for turnip greens?
A) Building material
B) Fuel source
C) Salads
D) Rooting medium
  • 8. What type of climate do turnips generally prefer?
A) Tropical
B) Desert
C) Cool
D) Mediterranean
  • 9. Which soil type is best suited for turnip cultivation?
A) Rocky soil
B) Sandy soil
C) Heavy clay
D) Well-drained loam
  • 10. How deep should turnip seeds typically be planted?
A) 1 inch
B) 3 inches
C) 1/2 inch
D) 2 inches
  • 11. What is the ideal pH range for turnip growth?
A) 6.0 - 6.5
B) 8.5 - 9.0
C) 7.5 - 8.0
D) 4.0 - 4.5
  • 12. Which of these is a common pest affecting turnips?
A) Ladybugs
B) Earthworms
C) Aphids
D) Bees
  • 13. What is the primary use of 'Purple Top White Globe' turnips?
A) Dye extraction
B) Animal feed
C) Table use
D) Oil production
  • 14. The leaves of turnips are a good source of which vitamin?
A) Vitamin A
B) Vitamin C
C) Vitamin D
D) Vitamin B12
  • 15. When is the best time to harvest turnips for optimal flavor?
A) When the leaves turn yellow
B) After the first frost
C) When they are very large
D) Before they get too large
  • 16. What characteristic helps distinguish 'Golden Ball' turnips?
A) Yellow flesh
B) Purple top
C) Hairy leaves
D) Flat shape
  • 17. What is 'fodder turnip' primarily used for?
A) Oil production
B) Animal feed
C) Human consumption
D) Medicinal purposes
  • 18. How does bolting affect turnip roots?
A) Changes their color
B) Makes them woody
C) Makes them sweeter
D) Increases their size
  • 19. Which element is essential for healthy root development in turnips?
A) Calcium
B) Nitrogen
C) Potassium
D) Phosphorus
  • 20. What does 'clubroot' disease affect in turnips?
A) Leaves
B) Stems
C) Flowers
D) Roots
  • 21. Which turnip variety is known for its small, quick-maturing roots?
A) White Egg
B) Tokyo Cross
C) Golden Ball
D) Purple Top White Globe
  • 22. What is the common spacing between turnip seeds when planting?
A) 1-2 inches
B) 24-36 inches
C) 12-18 inches
D) 6-8 inches
  • 23. Which of these is NOT a characteristic used to distinguish different turnip cultivars?
A) Root color
B) Leaf texture
C) Number of leaves
D) Root shape
  • 24. What is the best way to prevent bolting in turnips?
A) Plant in full shade
B) Plant in appropriate season
C) Under-water the plants
D) Over-fertilize with nitrogen
  • 25. Which of the following is a symptom of turnip mosaic virus?
A) White powdery substance on leaves
B) Mottled leaves
C) Holes in the leaves
D) Swollen roots
  • 26. What is the function of 'cover crops' that include turnips?
A) Improve soil health
B) Attract pollinators
C) Provide a source of honey
D) Repel pests
  • 27. What part of the turnip plant can be used as a source of animal feed?
A) Roots and tops
B) Only the roots
C) Only the tops
D) Only the flowers
  • 28. How long does it typically take for turnips to mature from seed to harvest?
A) 90-120 days
B) 45-60 days
C) 2-3 weeks
D) 6-9 months
  • 29. What type of fertilizer is most beneficial for promoting turnip root growth?
A) High in nitrogen
B) Balanced NPK
C) High in phosphorus
D) High in potassium
  • 30. What is one of the best storage practices for harvested turnips?
A) Freezing temperatures
B) Warm and dry conditions
C) Direct sunlight
D) Cool and humid conditions
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