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