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