How to Identify and Classify Miracle Fruits
  • 1. What is the active compound in miracle fruit responsible for its taste-modifying properties?
A) Citric Acid
B) Ascorbic Acid
C) Malic Acid
D) Miraculin
  • 2. To what plant family does miracle fruit belong?
A) Rutaceae
B) Solanaceae
C) Rosaceae
D) Sapotaceae
  • 3. What is the typical size of a miracle fruit berry?
A) 3-4 inches
B) 5-6 inches
C) 7-8 inches
D) 1-2 inches
  • 4. What color is a ripe miracle fruit berry?
A) Green
B) Yellow
C) Red
D) Blue
  • 5. Miracle fruit originates from which continent?
A) Asia
B) South America
C) West Africa
D) Australia
  • 6. The taste-modifying effect of miracle fruit typically lasts for how long?
A) 5-10 minutes
B) 2-3 hours
C) Overnight
D) 30-60 minutes
  • 7. What is the scientific name of miracle fruit?
A) Synsepalum dulcificum
B) Citrus paradisi
C) Malus domestica
D) Fragaria ananassa
  • 8. What environmental condition is crucial for miracle fruit cultivation?
A) Sandy soil
B) Alkaline soil
C) Clay soil
D) Acidic soil
  • 9. What is the primary function of miraculin?
A) Adds sweetness directly
B) Inhibits bitter taste
C) Neutralizes acids
D) Binds to taste receptors
  • 10. Which taste is most strongly affected by miracle fruit?
A) Sour
B) Bitter
C) Salty
D) Sweet
  • 11. What is a common use for miracle fruit besides novelty consumption?
A) Natural food coloring
B) Masking metallic taste from medications
C) Ingredient in alcoholic beverages
D) Food preservative
  • 12. How should miracle fruit be consumed for optimal taste alteration?
A) Made into juice
B) Chewed thoroughly and coating the tongue
C) Mixed with other fruits
D) Swallowed whole
  • 13. What type of plant is the miracle fruit?
A) Vine
B) Tree
C) Herb
D) Shrub
  • 14. What climate is ideal for growing miracle fruit?
A) Tropical
B) Arctic
C) Temperate
D) Desert
  • 15. Which of the following is NOT a typical characteristic of miracle fruit leaves?
A) Serrated edges
B) Evergreen
C) Glossy surface
D) Oblong shape
  • 16. What does 'dulcificum' mean in the scientific name Synsepalum dulcificum?
A) Sweetening
B) Berry-like
C) Miraculous
D) Reddish
  • 17. What is the approximate pH level that enhances the effect of miraculin?
A) Neutral
B) Acidic
C) Alkaline
D) Irrelevant
  • 18. How are miracle fruit typically propagated?
A) Seeds or cuttings
B) Spores
C) Layering only
D) Grafting only
  • 19. What is a common challenge in growing miracle fruit?
A) Pest resistance
B) Slow growth rate
C) Rapid spread
D) High water demand
  • 20. What part of the plant is primarily consumed for its taste-altering properties?
A) The seeds
B) The fruit pulp
C) The leaves
D) The roots
  • 21. What is the effect of miracle fruit on grapefruit?
A) Makes it taste more sour
B) Makes it taste bitter
C) No effect
D) Makes it taste sweeter
  • 22. What soil drainage is required for the miracle fruit plant to thrive?
A) Dry
B) Well-drained
C) Poorly drained
D) Waterlogged
  • 23. Which country has a historical significance with miracle fruit, often utilizing it in traditional cuisine?
A) Brazil
B) Mexico
C) Nigeria
D) Thailand
  • 24. What is a potential concern regarding the commercialization of miracle fruit?
A) Lack of consumer interest
B) High availability
C) Regulation of taste altering substances
D) Difficulty of cultivation
  • 25. How does miraculin alter the perception of sour tastes?
A) By diluting the sour taste
B) By temporarily binding to taste receptors and acting as a sweetener in acidic environments
C) By neutralizing the acids
D) By blocking the sour taste receptors
  • 26. What is the growth habit of miracle fruit shrubs?
A) Tall and upright
B) Fast-growing and spreading
C) Slow-growing and compact
D) Vine-like and climbing
  • 27. How long does it typically take for a miracle fruit plant to bear fruit after planting?
A) 3-4 years
B) 10+ years
C) 1 year
D) 6 months
  • 28. What is the ideal level of sun exposure for miracle fruit plants?
A) Morning sun only
B) Full sun
C) Full shade
D) Partial shade
  • 29. Which part of the miracle fruit should be avoided because it does not contain miraculin?
A) The skin
B) The stem
C) The pulp
D) The seed
  • 30. Which of the following is a valid method to preserve miracle fruit berries?
A) Pickling
B) Freezing
C) Roasting
D) Boiling
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