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