Orange (fruit) - Quiz
Orange fruit
  • 1. Who introduced the sweet orange to the American continent?
A) French missionaries
B) British explorers
C) Spanish travellers
D) Portuguese merchants
  • 2. On which voyage in 1493 may Christopher Columbus have planted the fruit on Hispaniola?
A) His fourth voyage
B) His second voyage
C) His third voyage
D) His first voyage
  • 3. In what year were sweet oranges brought to Florida when St Augustine was founded?
A) 1493
B) 1607
C) 1565
D) 1540
  • 4. Who founded St Augustine in Florida in 1565?
A) Archibald Menzies
B) Pedro Menéndez de Avilés
C) William Wolfskill
D) Christopher Columbus
  • 5. Who brought orange trees to Arizona between 1707 and 1710?
A) British settlers
B) Spanish missionaries
C) Franciscans
D) Mexican farmers
  • 6. Which group brought orange trees to San Diego, California, in 1769?
A) Franciscans
B) Botanists
C) Spanish missionaries
D) Dutch traders
  • 7. What was the role of Archibald Menzies on the Vancouver Expedition?
A) Botanist
B) Navigator
C) Interpreter
D) Captain
  • 8. Where did Archibald Menzies collect orange seeds before giving them to Hawaiian chiefs in 1792?
A) Mexico
B) South Africa
C) Brazil
D) Spain
  • 9. What event stopped the cultivation of the sweet orange across the Hawaiian Islands?
A) Political revolution
B) A prolonged drought
C) Arrival of the Mediterranean fruit fly
D) A severe winter frost
  • 10. When did Florida farmers obtain seeds from New Orleans?
A) Around 1872
B) Around 1565
C) Around 1890
D) Around 1804
  • 11. How were orange groves established in Florida after obtaining seeds from New Orleans in 1872?
A) By grafting the sweet orange on to sour orange rootstocks
B) By importing mature trees from California
C) By planting seeds directly in sandy soil
D) By using greenhouse cuttings
  • 12. When did citrus cultivation in California begin with the Spanish missionaries planting at Baja California?
A) Around 1739
B) Around 1804
C) Around 1769
D) Around 1707
  • 13. Why was early California fruit described as not suited for commercial markets?
A) It rotted too quickly
B) It lacked vitamin C
C) It was too small and sweet
D) It was thick-skinned and sour
  • 14. Where was the first sizeable orange grove in California established in 1804?
A) Los Angeles
B) St Augustine
C) Mission San Gabriel
D) San Diego
  • 15. How many trees were in the first sizeable grove established at Mission San Gabriel in 1804?
A) About 2 million trees on one hundred acres
B) About 400 trees on six acres
C) About 90,000 trees on fifty acres
D) About 4.5 million trees
  • 16. What event ended the mission-based agriculture in California by closing missions and giving away their lands?
A) The completion of major railroads in 1877
B) Secularisation in 1835
C) The establishment of the Citrus Experiment Station in 1907
D) The California gold rush in 1849
  • 17. Who likely planted the first private orange grove in Los Angeles in 1834?
A) Pedro Menéndez de Avilés
B) William Wolfskill
C) Luther C. Tibbets
D) Jean-Louis Vignes
  • 18. Who planted an orchard in Los Angeles in 1841 that held two-thirds of the state's orange trees by 1862?
A) William Wolfskill
B) Eliza Tibbets
C) Archibald Menzies
D) Jean-Louis Vignes
  • 19. Which event increased the demand for oranges due to their vitamin C preventing scurvy among miners?
A) The creation of Sunkist Growers Inc.
B) The California gold rush
C) The opening of the Panama Canal
D) The introduction of the Mediterranean fruit fly
  • 20. What specific vitamin in oranges helped prevent scurvy among miners during the gold rush?
A) Vitamin A
B) Vitamin C
C) Vitamin B12
D) Vitamin D
  • 21. Which county became a major destination for Midwestern farmers drawn to citrus growing in the 1870s?
A) Los Angeles County
B) Riverside County
C) San Diego County
D) Orange County
  • 22. In what year were navel orange plants from Brazil distributed by the U.S. Department of Agriculture?
A) 1885
B) 1876
C) 1873
D) 1841
  • 23. Who successfully cultivated the navel orange plants from Brazil in Riverside, California?
A) Jean-Louis Vignes and William Wolfskill
B) Luther C. Tibbets and Eliza Tibbets
C) Archibald Menzies and Pedro Menéndez de Avilés
D) Farmers from New Orleans
  • 24. What are the characteristics of the navel orange introduced from Brazil?
A) Small and acidic
B) Thick-skinned and sour
C) Summer-ripening and seedy
D) Sweet and seedless
  • 25. In what year was the Valencia orange introduced?
A) 1876
B) 1862
C) 1873
D) 1885
  • 26. When did the Valencia orange mature, complementing the winter-ripening navel?
A) In summer and fall
B) In spring and summer
C) In winter and spring
D) Only in winter
  • 27. Which railroad was completed in 1877, helping to revolutionise the distribution of oranges?
A) Union Pacific
B) Southern Pacific
C) Central Pacific
D) Santa Fe
  • 28. Which railroad was completed in 1885 to further open national markets for California citrus?
A) Panama Railway
B) Southern Pacific
C) Santa Fe
D) Northern Pacific
  • 29. What equipment, introduced alongside major railroads, revolutionised the distribution of oranges?
A) Horse-drawn insulated carts
B) Ventilated boxcars
C) Air-conditioned trucks
D) Refrigerated steamships
  • 30. How many citrus trees were in California by 1875?
A) 90,000
B) 2 million
C) 4.5 million
D) 400
  • 31. How many citrus trees were in California by 1885?
A) 4.5 million
B) 2 million
C) 10 million
D) 90,000
  • 32. How many citrus trees were in California by 1901?
A) 4.5 million
B) 2 million
C) 90,000
D) 1 million
  • 33. What pest control advances were brought to California orange groves in the 1890s?
A) Introduction of ladybugs only
B) Crop rotation and burning
C) Spraying and fumigation
D) Hand-picking pests daily
  • 34. What frost protection methods were introduced in the 1890s for California orchards?
A) Covering every tree with canvas
B) Building glass greenhouses over trees
C) Heaters and later wind machines
D) Underground heating pipes
  • 35. When did the University of California establish its Citrus Experiment Station?
A) 1905
B) 1907
C) 1980
D) 1890
  • 36. What organization was formed in 1905 for cooperative marketing of citrus?
A) Riverside Citrus Union
B) U.S. Department of Agriculture
C) California Fruit Growers Exchange
D) Vancouver Expedition Society
  • 37. What later name was adopted by the California Fruit Growers Exchange?
A) Navel Citrus Corporation
B) Valencia Orange Growers
C) Mission Agricultural Co.
D) Sunkist Growers Inc.
  • 38. By the 1980s, California was the second largest orange producer in the U.S., trailing behind which state?
A) Arizona
B) Hawaii
C) Florida
D) Texas
  • 39. On which of his voyages did Columbus potentially plant the sweet orange?
A) Second voyage
B) Third voyage
C) Fourth voyage
D) First voyage
  • 40. In what year did Columbus potentially plant oranges on Hispaniola?
A) 1872
B) 1707
C) 1565
D) 1493
  • 41. Which regions received sweet oranges during expeditions in the mid-1500s?
A) South America, Mexico, and Florida
B) Hawaii, California, and Arizona
C) Spain, England, and France
D) Canada, Alaska, and Oregon
  • 42. Where did Spanish missionaries bring orange trees between 1707 and 1710?
A) Hispaniola
B) San Diego
C) Hawaii
D) Arizona
  • 43. Where did the Franciscans bring orange trees in 1769?
A) San Diego, California
B) St Augustine, Florida
C) Riverside, California
D) Los Angeles, California
  • 44. Who raised orange seedlings on board a ship and gave them to Hawaiian chiefs in 1792?
A) Pedro Menéndez de Avilés
B) Luther C. Tibbets
C) Christopher Columbus
D) Archibald Menzies
  • 45. What pest caused the stop of sweet orange cultivation in the Hawaiian Islands?
A) Mediterranean fruit fly
B) Citrus rust mite
C) Aphids
D) Locust swarm
  • 46. In what decade did the Mediterranean fruit fly arrive in Hawaii, halting orange cultivation?
A) Late 1900s
B) Late 1700s
C) Mid 1800s
D) Early 1900s
  • 47. Where did Florida farmers obtain seeds in 1872?
A) San Diego
B) New Orleans
C) South Africa
D) Brazil
  • 48. What rootstocks were used for grafting sweet oranges in Florida after 1872?
A) Sour orange rootstocks
B) Navel orange rootstocks
C) Lemon rootstocks
D) Wild lime rootstocks
  • 49. Where did Spanish missionaries plant oranges and lemons around 1739 in California?
A) San Francisco
B) Sacramento
C) Alta California
D) Baja California
  • 50. By what year did Spanish missionaries plant oranges at Alta California missions?
A) 1835
B) 1769
C) 1739
D) 1804
  • 51. How many acres did the first sizeable grove at Mission San Gabriel cover in 1804?
A) Ten acres
B) Fifty acres
C) Two acres
D) Six acres
  • 52. In what year did secularisation close California missions and give away their lands?
A) 1835
B) 1841
C) 1804
D) 1862
  • 53. In what year did Jean-Louis Vignes likely plant the first private orange grove in Los Angeles?
A) 1873
B) 1804
C) 1834
D) 1841
  • 54. In what year did William Wolfskill plant his orchard in Los Angeles?
A) 1873
B) 1841
C) 1862
D) 1834
  • 55. What fraction of the state's orange trees did William Wolfskill's orchards hold by 1862?
A) One-third
B) Three-quarters
C) One-half
D) Two-thirds
  • 56. Starting in which year did the California gold rush indirectly boost orange demand?
A) 1835
B) 1890
C) 1849
D) 1873
  • 57. What disease did the vitamin C in oranges help prevent among California gold miners?
A) Malaria
B) Rickets
C) Beriberi
D) Scurvy
  • 58. Approximately how much profit per acre did William Wolfskill report in the early 1870s?
A) $50
B) $10,000
C) $1,000
D) $100
  • 59. Which department distributed navel orange plants from Brazil in 1873?
A) California Fruit Growers Exchange
B) University of California
C) U.S. Department of Agriculture
D) Spanish Mission Board
  • 60. Where did Luther C. and Eliza Tibbets successfully cultivate navel oranges?
A) Riverside
B) St Augustine
C) San Diego
D) Los Angeles
  • 61. What became the backbone of the California citrus industry due to successful cultivation by the Tibbets?
A) The thick-skinned sour orange
B) The summer-ripening Valencia orange
C) The sweet, seedless navel orange
D) The Mediterranean fruit fly-resistant orange
  • 62. Which orange variety complemented the winter-ripening navel by maturing in summer and fall?
A) Baja orange
B) Navel orange
C) Sour orange
D) Valencia orange
  • 63. When was the Southern Pacific railroad completed, helping revolutionise fruit distribution?
A) 1885
B) 1877
C) 1905
D) 1873
  • 64. When was the Santa Fe railroad completed?
A) 1877
B) 1876
C) 1907
D) 1885
  • 65. What effect did railroads and ventilated boxcars have on southern California's citrus industry?
A) Caused a massive decline in orange prices
B) Triggered a planting frenzy by opening national markets
C) Forced farmers to switch to growing lemons
D) Ended the need for irrigation
  • 66. What institution established a Citrus Experiment Station in 1907?
A) University of California
B) Stanford University
C) U.S. Department of Agriculture
D) California Fruit Growers Exchange
  • 67. What did the California Fruit Growers Exchange help do for California citrus worldwide?
A) Standardise and market it
B) Protect it from Mediterranean fruit flies
C) Breed the Valencia orange
D) Invent frost protection heaters
  • 68. Which continent's sweet orange was introduced by Spanish travellers?
A) The American continent
B) The European continent
C) The African continent
D) The Asian continent
  • 69. Who brought sweet oranges to Mexico and South America?
A) William Wolfskill in 1841
B) Subsequent expeditions in the mid-1500s
C) Christopher Columbus in 1493
D) Archibald Menzies in 1792
  • 70. In which century did expeditions bring sweet oranges to Mexico and South America?
A) Mid-1700s
B) Mid-1800s
C) Mid-1900s
D) Mid-1500s
  • 71. What nationality were the missionaries who brought orange trees to Arizona between 1707 and 1710?
A) French
B) Spanish
C) British
D) Portuguese
  • 72. What did Archibald Menzies do with the orange seeds he collected in South Africa?
A) Planted them immediately in San Diego
B) Grafted them onto sour orange rootstocks
C) Raised seedlings on board and gave them to Hawaiian chiefs
D) Sent them by railroad to New Orleans
  • 73. In what year did Archibald Menzies give orange seedlings to Hawaiian chiefs?
A) 1873
B) 1804
C) 1769
D) 1792
  • 74. Where did citrus cultivation in California begin according to the text?
A) With Midwestern farmers in Orange County
B) With William Wolfskill's private orchard
C) With Spanish missionaries planting at Baja California and Alta California missions
D) With Archibald Menzies' expedition
  • 75. Which group of farmers was attracted to citrus growing by Wolfskill's high profits in the 1870s?
A) Florida explorers
B) Midwestern farmers
C) European botanists
D) Hawaiian chiefs
  • 76. Where were the navel orange plants originally sourced from before being distributed in 1873?
A) Mexico
B) Spain
C) South Africa
D) Brazil
  • 77. What type of plants are citrus trees?
A) Bryophytes
B) Gymnosperms
C) Ferns
D) Angiosperms
  • 78. Are most citrus species interfertile?
A) Yes, almost entirely
B) Never
C) Only in the wild
D) No, they are sterile
  • 79. Which plant served as the maternal parent of the first sweet orange?
A) The hybrid pomelo
B) The trifoliate orange
C) The bitter orange
D) The mandarin orange
  • 80. What approximate percentage of pomelo ancestry is found in the sweet orange?
A) 58%
B) 50%
C) 42%
D) 25%
  • 81. What approximate percentage of mandarin ancestry is found in the sweet orange?
A) 42%
B) 75%
C) 58%
D) 50%
  • 82. Did the sweet and bitter oranges share the exact same origin?
A) Yes, they are identical
B) Bitter oranges came first
C) Bitter oranges are mutated sweet oranges
D) No, bitter oranges arose independently
  • 83. What hybrid resulted from a sweet orange x pomelo backcross?
A) Ambersweet
B) Grapefruit
C) Clementine
D) Citrange
  • 84. Which fruits produced the clementine when crossed with sweet oranges?
A) Pomelos and grapefruits
B) Lemons and limes
C) Mandarin oranges or tangerines
D) Trifoliate oranges
  • 85. What is another name for the sweet orange to distinguish it from the bitter orange?
A) Citrus × sinensis
B) Citrus reticulata
C) Citrus maxima
D) Citrus aurantium
  • 86. In which plant family is the orange tree classified?
A) Solanaceae
B) Lamiaceae
C) Rosaceae
D) Rutaceae
  • 87. When was the sweet orange first mentioned in Chinese literature?
A) 314 BC
B) 17th century
C) Song dynasty
D) 2024
  • 88. What percentage of the world's oranges did Brazil produce in 2024?
A) 10%
B) 23%
C) 50%
D) 67%
  • 89. Who painted the Arnolfini Portrait, which features the first appearance of oranges in Western art?
A) Henri Matisse
B) Vincent van Gogh
C) Jan van Eyck
D) John Sloan
  • 90. Which Chinese artist created the Song dynasty fan painting Yellow Oranges and Green Tangerines?
A) Vincent van Gogh
B) Zhao Lingrang
C) Jan van Eyck
D) Henri Matisse
  • 91. What is the maximum height that very old orange trees can reach?
A) 4 cm
B) 15 m
C) 10 m
D) 33 ft
  • 92. What type of margins do the oval leaves of the orange tree have?
A) Smooth margins
B) Serrated margins
C) Lobed margins
D) Crenulate margins
  • 93. What is the white, bitter mesocarp attached to the rind also known as?
A) Vesicle
B) Albedo
C) Hesperidium
D) Carpel
  • 94. What color is the orange fruit when it is unripe?
A) White
B) Bright orange
C) Green
D) Yellow-orange
  • 95. Is the sweet orange climacteric or non-climacteric?
A) Non-climacteric
B) Neither
C) Climacteric
D) Both climacteric and non-climacteric
  • 96. What is the botanical classification of an orange fruit, which is a modified berry?
A) Hesperidium
B) Pepo
C) Drupe
D) Pome
  • 97. Who introduced citrus fruits like the bitter orange, lemon, and lime to al-Andalus?
A) Portuguese merchants
B) Louis XIV
C) Italian merchants
D) The Moors
  • 98. When did large-scale cultivation of oranges start in the Iberian Peninsula?
A) 15th century
B) 17th century
C) 10th century
D) 9th century
  • 99. What techniques were specifically adapted to support orange orchards in the 10th century?
A) Advanced grafting techniques
B) Complex irrigation techniques
C) Greenhouse heating systems
D) Terraced farming methods
  • 100. When were citrus fruits, including the bitter orange, introduced to Sicily?
A) Late 15th century
B) 10th century
C) 9th century
D) 17th century
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