Basil - Quiz
Basil
  • 1. Which species is also known as Camphor basil?
A) Ocimum kilimandscharicum
B) Ocimum tenuiflorum
C) Ocimum basilicum
D) Ocimum gratissimum
  • 2. What is another name for Ocimum gratissimum?
A) Thai basil
B) Greek basil
C) Clove basil
D) Anise basil
  • 3. What is the former name for Holy basil (Ocimum tenuiflorum)?
A) O. sanctum
B) O. gratissimum
C) O. minimum
D) O. basilicum
  • 4. How many botanical varieties of Ocimum basilicum are accepted by the Plants of the World Online database?
A) Two
B) One
C) Sixty
D) Three
  • 5. Where is Ocimum basilicum var. minimum native to?
A) Italy and Greece
B) India and Sri Lanka
C) Africa
D) Thailand
  • 6. Why is the exact taxonomy of basil considered uncertain?
A) Because it is not a real plant
B) Due to a lack of genetic research
C) Due to immense cultivars and frequent cross-pollination
D) Because it only grows in one region
  • 7. Approximately how many varieties of Ocimum basilicum are there?
A) Over 500
B) Exactly 10
C) Less than 5
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) Genovese basil
B) Lettuce leaf basil
C) Purple Delight
D) Greek basil
  • 10. What is the scientific name for Cinnamon basil?
A) Ocimum tenuiflorum
B) Ocimum gratissimum
C) Ocimum basilicum var. thyrsifolium
D) Ocimum basilicum 'Cinnamon'
  • 11. What is another name for Globe basil?
A) Mammoth basil
B) Dwarf basil
C) Thai basil
D) Rubin basil
  • 12. Which variety is known as Lettuce leaf basil?
A) Ocimum basilicum 'Crispum'
B) Ocimum basilicum 'Rubin'
C) Ocimum basilicum 'Purpurescens'
D) Ocimum basilicum 'Minimum'
  • 13. Which of these is a synonym for Napolitano basil?
A) Cinnamon basil
B) Mammoth basil
C) Anise basil
D) Dark opal basil
  • 14. To which plant family does basil belong?
A) Asteraceae
B) Apiaceae
C) Lamiaceae
D) Solanaceae
  • 15. How is basil typically treated in temperate climates?
A) As a long-lived perennial
B) As an annual plant
C) As a deciduous shrub
D) As a winter bulb
  • 16. What is the maximum height basil plants can reach?
A) 30 centimetres
B) 150 centimetres
C) 200 centimetres
D) 50 centimetres
  • 17. How are the leaves of a basil plant arranged on the stem?
A) As a single basal rosette
B) In alternate patterns
C) In whorls
D) In opposite pairs
  • 18. What shape do basil leaves typically have?
A) Ovate
B) Lanceolate
C) Linear
D) Cordate
  • 19. What shape is the stem of a basil plant?
A) Round
B) Triangular
C) Square
D) Hexagonal
  • 20. What color are the flowers of a basil plant?
A) White
B) Blue
C) Purple
D) Yellow
  • 21. What component gives sweet basil its clove scent?
A) Myrcene
B) Eugenol
C) 1,8-cineole
D) Linalool
  • 22. What is the ratio of linalool to methyl chavicol in European basil essential oil?
A) 1:1
B) 1:3
C) 2:1
D) 3:1
  • 23. What does the term 'entomophilous' refer to in the pollination process of basil?
A) Pollination by insects
B) Pollination by wind
C) Self-pollination
D) Pollination by water
  • 24. Which cultivar of basil is known for having purple leaves?
A) 'Mrs. Burns' Lemon'
B) 'Citriodorum'
C) 'Purple Ruffles'
D) 'Thyrsiflora'
  • 25. In French, what is basil sometimes called?
A) L'herbe royale
B) L'herbe du jardin
C) Le parfum royal
D) La plante du roi
  • 26. What type of weather condition is basil sensitive to?
A) Cold
B) Direct sunlight
C) Humidity
D) Heat
  • 27. What happens to a basil plant when it flowers?
A) It grows taller
B) Foliage production stops
C) It produces more essential oil
D) The roots grow deeper
  • 28. What is the effect of pruning flower stems on a basil plant?
A) Prevents the stem from becoming woody
B) Turns the leaves red
C) Kills the entire plant
D) Stops seed production entirely
  • 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) Root hypoxia
B) Increased flavor
C) Better essential oil yield
D) Faster growth
  • 31. What light colors specifically increase growth and flower bud production?
A) Infrared + ultraviolet
B) Green + yellow
C) White + orange
D) Red + blue
  • 32. Where should you keep indoor basil plants?
A) Under a heater
B) In a dark closet
C) In a high-draft area
D) Sun-facing windowsill
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