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