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How to Identify and Classify Asparagus - Exam
Contributed by: Crossley
  • 1. What part of the asparagus plant is typically eaten?
A) The roots
B) The flowers
C) The leaves
D) The young shoots
  • 2. What is the most common color of asparagus spears?
A) Yellow
B) White
C) Purple
D) Green
  • 3. White asparagus is grown by:
A) Mounding soil over the shoots
B) Genetically modifying the plant
C) Exposing the shoots to sunlight
D) Growing it indoors
  • 4. Which of these is NOT a common way to classify asparagus?
A) By size (diameter)
B) By tenderness
C) By root depth
D) By color
  • 5. What does the term 'pencil asparagus' refer to?
A) Asparagus used for writing
B) Asparagus grown in a specific region
C) Thin asparagus spears
D) Asparagus that has not been harvested yet
  • 6. The 'ferns' of the asparagus plant are:
A) The young, edible shoots
B) The mature, leafy growth
C) The small flowers
D) The underground roots
  • 7. Why are asparagus beds typically not harvested in the first year?
A) To encourage flower production
B) To prevent the spears from becoming too bitter
C) To allow the plants to establish strong roots
D) They are only harvested once the plants are 2 years old.
  • 8. What indicates that asparagus is past its prime?
A) The spear is bright green
B) The tip of the spear starts to open
C) The spear is very thick
D) The spear is slightly purple
  • 9. How should freshly harvested asparagus be stored?
A) Wrapped tightly in plastic, refrigerated
B) In a dry container, refrigerated
C) At room temperature
D) Upright in water, refrigerated
  • 10. What is the scientific name for common asparagus?
A) Solanum lycopersicum
B) Brassica oleracea
C) Malus domestica
D) Asparagus officinalis
  • 11. What soil pH is best for growing asparagus?
A) 6.5 - 7.5
B) 5.0 - 6.0
C) 4.0 - 5.0
D) 8.0 - 9.0
  • 12. Which nutrient is most important for asparagus growth?
A) Phosphorus
B) Potassium
C) Calcium
D) Nitrogen
  • 13. What type of plant is asparagus?
A) Annual
B) Perennial
C) Triennial
D) Biennial
  • 14. What can cause asparagus spears to be bitter?
A) Overmaturity
B) Lack of water
C) Too much fertilizer
D) Too much sunlight
  • 15. Which of these pests commonly affects asparagus?
A) Aphids
B) Whiteflies
C) Spider mites
D) Asparagus beetle
  • 16. How deep should asparagus crowns be planted?
A) 6-8 inches
B) 10-12 inches
C) 1-2 inches
D) 2-4 inches
  • 17. What is the purpose of 'hilling' asparagus?
A) To increase yields
B) To improve drainage
C) To protect from frost
D) To produce white asparagus
  • 18. What is the average lifespan of an asparagus plant?
A) 5-10 years
B) 1-3 years
C) 15-25 years
D) 30-40 years
  • 19. What type of climate is best suited for asparagus?
A) Arid
B) Temperate
C) Tropical
D) Arctic
  • 20. What is the primary method of asparagus propagation?
A) Cuttings
B) Seeds
C) Layering
D) Crowns
  • 21. When is the best time to harvest asparagus?
A) Summer
B) Winter
C) Spring
D) Autumn
  • 22. What benefit does asparagus provide nutritionally?
A) High in saturated fat
B) High in sugar
C) High in folate
D) Low in fiber
  • 23. Which disease is a common concern in asparagus cultivation?
A) Fusarium crown and root rot
B) Powdery mildew
C) Late blight
D) Black spot
  • 24. What does 'diameter grading' of asparagus refer to?
A) Analyzing nutrient content
B) Sorting by spear thickness
C) Classifying by color
D) Measuring root length
  • 25. How does harvesting asparagus encourage future growth?
A) By increasing flower production
B) By strengthening the roots
C) It doesn't; harvesting weakens the plant
D) By stimulating more spear production
  • 26. Why is it important to allow some asparagus spears to fern out?
A) To attract pollinators
B) To produce seeds
C) To replenish plant energy reserves
D) To prevent weed growth
  • 27. What is the typical spacing between asparagus plants when planting crowns?
A) 12-18 inches
B) 24-36 inches
C) 3-5 feet
D) 4-6 inches
  • 28. What is a common method to suppress weeds in asparagus beds?
A) Salting the soil
B) Burning
C) Mulching
D) Flooding
  • 29. What indicates that an asparagus spear is ready for harvest?
A) Spear is completely underground
B) Spear has already started to fern out
C) Spear is very thin and flimsy
D) Spear is 6-8 inches tall and tight
  • 30. What is the proper tool for harvesting asparagus?
A) Trowel
B) Shovel
C) Rake
D) Asparagus knife or sharp knife
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