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How to Identify and Classify Celery Stalks - Quiz
Contributed by: Crossley
  • 1. What is the primary characteristic used to initially assess a celery stalk's quality?
A) Color Intensity
B) Leaf Size
C) Firmness and Crispness
D) Root Length
  • 2. What does 'pithiness' refer to in celery stalks?
A) The amount of moisture present
B) The outer layer's thickness
C) Hollow or spongy texture in the stalk
D) The length of the stalk
  • 3. Which color indicates the highest quality in most celery varieties?
A) Light to Medium Green
B) White
C) Dark Green
D) Yellowish-Green
  • 4. What does uniform stalk shape suggest about celery quality?
A) Lack of irrigation
B) Consistent growth and development
C) Over-fertilization
D) Exposure to excessive sunlight
  • 5. Why are leaves important for assessing celery stalks?
A) They indicate freshness and overall health
B) They are an indication of disease presence
C) They are used for propagation
D) They determine the celery's sweetness
  • 6. What does the presence of cracks on a celery stalk indicate?
A) Optimal growing conditions
B) Potential water stress or damage
C) Natural stem markings
D) Resistance to pests
  • 7. Which of the following is NOT a common variety of celery?
A) Purple Giant
B) Pascal Celery
C) Utah Celery
D) Golden Self-Blanching
  • 8. What does 'bolting' refer to in the context of celery?
A) Root rot
B) Premature flowering, affecting stalk quality
C) Excessive growth of leaves
D) Development of side shoots
  • 9. What does it mean when a celery stalk feels soft or rubbery?
A) It is likely old or dehydrated
B) It indicates it's a specific variety
C) It is a sign of high sugar content
D) It's been exposed to cold temperatures
  • 10. Why is celery often classified by stalk length?
A) To measure its sweetness
B) To predict its storage life
C) To determine its nutritional value
D) For consistent grading and packaging
  • 11. What does the term 'ribs' refer to on a celery stalk?
A) The individual stalks making up the bunch
B) The root structure
C) The leaf veins
D) The outer covering of the stalk
  • 12. What is a common pest that can affect celery stalks?
A) Aphids
B) Ladybugs
C) Bees
D) Earthworms
  • 13. What disease commonly impacts celery stalks?
A) Tomato wilt
B) Apple scab
C) Celery blight
D) Grape mildew
  • 14. Which condition often causes celery to become bitter?
A) Lack of water
B) Excessive nitrogen
C) High soil pH
D) Too much sunlight
  • 15. What type of soil is best for growing high-quality celery?
A) Sandy soil
B) Clay soil
C) Rocky soil
D) Well-drained, rich in organic matter
  • 16. What does 'self-blanching' celery mean?
A) It grows faster than other varieties
B) It is more resistant to diseases
C) It naturally turns lighter without covering
D) It requires manual blanching
  • 17. How should celery stalks be stored to maintain freshness?
A) Frozen without any preparation
B) At room temperature in direct sunlight
C) Left in water at room temperature
D) Refrigerated in a plastic bag
  • 18. What is the ideal temperature for storing celery?
A) 50-55°F (10-13°C)
B) 32-36°F (0-2°C)
C) 60-65°F (15-18°C)
D) 40-45°F (4-7°C)
  • 19. What is the significance of 'stringiness' in celery?
A) It signifies high nutrient density
B) It shows high water content
C) It denotes a younger stalk
D) It indicates toughness and fibrous texture
  • 20. What is the best way to prevent celery blight?
A) Applying high-nitrogen fertilizer
B) Use disease-resistant varieties
C) Over-watering the plants
D) Planting in shaded areas
  • 21. What contributes to the characteristic 'crunch' of fresh celery?
A) Absence of fiber
B) High sugar concentration
C) High water content and turgor pressure
D) Presence of thick cell walls
  • 22. Why is proper spacing important when planting celery?
A) To reduce the need for watering
B) To increase soil temperature
C) To ensure adequate air circulation and sunlight
D) To encourage faster growth
  • 23. What is the role of potassium in celery growth?
A) Increases sweetness
B) Enhances leaf color
C) Promotes strong stalk development
D) Prevents bolting
  • 24. What does the appearance of brown spots on celery indicate?
A) Exposure to cold temperatures
B) Possible disease or pest infestation
C) Natural stem markings
D) High nutrient content
  • 25. Why is it important to harvest celery at the right maturity?
A) To prevent disease
B) To reduce bitterness
C) To increase shelf life
D) To optimize flavor and texture
  • 26. What is the purpose of blanching celery?
A) To add sweetness to the stalks
B) To increase the crispness of the stalks
C) To protect the stalks from pests
D) To make the stalks paler and milder in flavor
  • 27. What does the 'heart' of the celery stalk refer to?
A) The innermost, tender stalks
B) The root system
C) The outer protective layer
D) The flower bud
  • 28. What is the role of calcium in celery plants?
A) Increases chlorophyll production
B) Strengthens cell walls, preventing cracking
C) Enhances water absorption
D) Improves root growth
  • 29. How does too much nitrogen affect celery?
A) Can lead to excessive leaf growth and weak stalks
B) Increases sweetness
C) Strengthens the stalks
D) Prevents disease
  • 30. Which harvest stage of celery is generally preferred for fresh market sales?
A) Fully mature with good stalk size and firmness
B) Very young, with small and tender stalks
C) Flowering stage, with seed stalks forming
D) Overripe, showing signs of yellowing
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