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