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