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Basil - Quiz
Contributed by: Burton
  • 1. Which species is also known as Camphor basil?
A) Ocimum kilimandscharicum
B) Ocimum gratissimum
C) Ocimum basilicum
D) Ocimum tenuiflorum
  • 2. What is another name for Ocimum gratissimum?
A) Anise basil
B) Greek basil
C) Thai basil
D) Clove basil
  • 3. What is the former name for Holy basil (Ocimum tenuiflorum)?
A) O. sanctum
B) O. minimum
C) O. gratissimum
D) O. basilicum
  • 4. How many botanical varieties of Ocimum basilicum are accepted by the Plants of the World Online database?
A) Two
B) Three
C) Sixty
D) One
  • 5. Where is Ocimum basilicum var. minimum native to?
A) Italy and Greece
B) Thailand
C) India and Sri Lanka
D) Africa
  • 6. Why is the exact taxonomy of basil considered uncertain?
A) Because it only grows in one region
B) Due to a lack of genetic research
C) Because it is not a real plant
D) Due to immense cultivars and frequent cross-pollination
  • 7. Approximately how many varieties of Ocimum basilicum are there?
A) Exactly 10
B) Less than 5
C) Over 500
D) At least 60
  • 8. Most basil varieties have leaves of what color?
A) Blue
B) Green
C) Purple
D) Yellow
  • 9. Which of these is a purple basil cultivar?
A) Purple Delight
B) Lettuce leaf basil
C) Genovese basil
D) Greek basil
  • 10. What is the scientific name for Cinnamon basil?
A) Ocimum basilicum var. thyrsifolium
B) Ocimum gratissimum
C) Ocimum tenuiflorum
D) Ocimum basilicum 'Cinnamon'
  • 11. What is another name for Globe basil?
A) Dwarf basil
B) Rubin basil
C) Thai basil
D) Mammoth basil
  • 12. Which variety is known as Lettuce leaf basil?
A) Ocimum basilicum 'Crispum'
B) Ocimum basilicum 'Purpurescens'
C) Ocimum basilicum 'Minimum'
D) Ocimum basilicum 'Rubin'
  • 13. Which of these is a synonym for Napolitano basil?
A) Dark opal basil
B) Cinnamon basil
C) Mammoth basil
D) Anise basil
  • 14. To which plant family does basil belong?
A) Apiaceae
B) Lamiaceae
C) Asteraceae
D) Solanaceae
  • 15. How is basil typically treated in temperate climates?
A) As a deciduous shrub
B) As an annual plant
C) As a winter bulb
D) As a long-lived perennial
  • 16. What is the maximum height basil plants can reach?
A) 50 centimetres
B) 150 centimetres
C) 30 centimetres
D) 200 centimetres
  • 17. How are the leaves of a basil plant arranged on the stem?
A) In alternate patterns
B) In whorls
C) As a single basal rosette
D) In opposite pairs
  • 18. What shape do basil leaves typically have?
A) Ovate
B) Cordate
C) Lanceolate
D) Linear
  • 19. What shape is the stem of a basil plant?
A) Round
B) Square
C) Hexagonal
D) Triangular
  • 20. What color are the flowers of a basil plant?
A) Blue
B) Yellow
C) White
D) Purple
  • 21. What component gives sweet basil its clove scent?
A) Eugenol
B) 1,8-cineole
C) Myrcene
D) Linalool
  • 22. What is the ratio of linalool to methyl chavicol in European basil essential oil?
A) 1:3
B) 2:1
C) 3:1
D) 1:1
  • 23. What does the term 'entomophilous' refer to in the pollination process of basil?
A) Self-pollination
B) Pollination by wind
C) Pollination by water
D) Pollination by insects
  • 24. Which cultivar of basil is known for having purple leaves?
A) 'Mrs. Burns' Lemon'
B) 'Thyrsiflora'
C) 'Citriodorum'
D) 'Purple Ruffles'
  • 25. In French, what is basil sometimes called?
A) L'herbe du jardin
B) La plante du roi
C) Le parfum royal
D) L'herbe royale
  • 26. What type of weather condition is basil sensitive to?
A) Direct sunlight
B) Cold
C) Humidity
D) Heat
  • 27. What happens to a basil plant when it flowers?
A) Foliage production stops
B) It produces more essential oil
C) It grows taller
D) The roots grow deeper
  • 28. What is the effect of pruning flower stems on a basil plant?
A) Kills the entire plant
B) Prevents the stem from becoming woody
C) Stops seed production entirely
D) Turns the leaves red
  • 29. What type of soil does basil prefer?
A) Well-drained organic soil
B) Heavy clay soil
C) Waterlogged soil
D) Sandy soil without organic matter
  • 30. What happens if there is poor soil drainage?
A) Better essential oil yield
B) Increased flavor
C) Root hypoxia
D) Faster growth
  • 31. What light colors specifically increase growth and flower bud production?
A) Red + blue
B) White + orange
C) Infrared + ultraviolet
D) Green + yellow
  • 32. Where should you keep indoor basil plants?
A) In a high-draft area
B) Under a heater
C) Sun-facing windowsill
D) In a dark closet
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