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