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