Crown of Thorns Trivia Questions and Answers

1: Where is the Crown of thorns plant native to?
A: Madagascar
B: Brazil
C: India
D: Australia
Correct Answer: A
Explanation: The Crown of thorns plant is native to Madagascar.

2: What does the species name “milii” commemorate?
A: The discoverer of the plant
B: A famous botanist
C: Baron Milius, a Governor of Réunion
D: An ancient king
Correct Answer: C
Explanation: The species name commemorates Baron Milius, who introduced the plant to France in 1821.

3: What type of plant is the Crown of thorns?
A: Herbaceous plant
B: Woody succulent subshrub or shrub
C: Tree
D: Aquatic plant
Correct Answer: B
Explanation: The Crown of thorns is a woody succulent subshrub or shrub.

4: The plant is named “Crown of thorns”; what is the reason for this?
A: It looks like a crown
B: Its thorns resemble those worn by Jesus during his crucifixion
C: It was found in a place called “Thorn”
D: It blooms only during Easter
Correct Answer: B
Explanation: The thorns on the plant resemble those worn by Jesus during his crucifixion.

5: In which region is the Crown of thorns also known as “songosongo”?
A: Middle East
B: India
C: Madagascar
D: Thailand
Correct Answer: C
Explanation: The native Malagasy name for the plant is “songosongo.”

6: How tall can the Crown of thorns grow?
A: 1 meter
B: 1.8 meters
C: 2.5 meters
D: 3 meters
Correct Answer: B
Explanation: The Crown of thorns can grow to be 1.8 meters tall.

7: What is the typical length of the spines on the Crown of thorns?
A: 1 cm
B: 3 cm
C: 5 cm
D: 7 cm
Correct Answer: B
Explanation: The spines can grow up to 3 cm long.

8: What color are the flowers of the Crown of thorns?
A: Blue and Green
B: Yellow and Orange
C: Red, Pink or White
D: Purple and Lavender
Correct Answer: C
Explanation: The flowers are subtended by bracts that can be red, pink, or white.

9: What is a notable feature of the Crown of thorns sap?
A: It’s a natural sweetener
B: It causes skin and eye irritation
C: It can be used as a fuel
D: It has no harmful effects
Correct Answer: B
Explanation: The sap is moderately poisonous and causes irritation on contact with skin or eyes.

10: What organization has recommended the Crown of thorns for snail control?
A: UNESCO
B: The World Health Organization (WHO)
C: The EPA
D: The Red Cross
Correct Answer: B
Explanation: The WHO has recommended the use of the plant in aiding snail control.

11: Which religion considers the Crown of thorns plant a living embodiment of the supreme deity?
A: Hinduism
B: Bathouism
C: Buddhism
D: Jainism
Correct Answer: B
Explanation: Bathouism considers a variety of the plant as the living embodiment of the supreme deity.

12: How are Crown of thorns plants commonly propagated?
A: Through seeds
B: From cuttings
C: By layering
D: Via grafting
Correct Answer: B
Explanation: The plant is commonly propagated from cuttings.

13: What temperature is not tolerated by the Crown of thorns?
A: Below 5°C
B: Below 10°C
C: Below 15°C
D: Below 20°C
Correct Answer: B
Explanation: The plant does not tolerate temperatures below 10°C.

14: What prestigious award has the Crown of thorns received?
A: Nobel Prize
B: Blue Peter Badge
C: RHS Award of Garden Merit
D: Pulitzer Prize
Correct Answer: C
Explanation: The Crown of thorns and its variety have both received the Royal Horticultural Society’s Award of Garden Merit.

15: Which variety of Crown of thorns is considered a distinct species by some authors?
A: E. milii var. tennessee
B: E. milii var. splendens
C: E. milii var. arizonica
D: E. milii var. floridensis
Correct Answer: B
Explanation: E. milii var. splendens is considered as a distinct species by some authors.

16: In which country is there a claim to have the world’s tallest Crown of thorns plant?
A: India
B: Brazil
C: Thailand
D: Canada
Correct Answer: C
Explanation: Wat Phrik in Thailand claims to be the home of the world’s tallest Crown of thorns plant.

17: The Crown of thorns plant thrives mainly in which seasons?
A: Spring and Winter
B: Spring and Summer
C: Autumn and Winter
D: Summer and Autumn
Correct Answer: B
Explanation: The Crown of thorns thrives between spring and summer but can produce flowers all year round.

18: What is the main use of extracts from Crown of thorns in pest control?
A: Insecticide
B: Molluscicide
C: Rodenticide
D: Fungicide
Correct Answer: B
Explanation: Extracts from the plant are used as a molluscicide, controlling snail populations.

19: Which article section mentions the plant’s association with the legend of Jesus?
A: Description
B: Toxicity
C: Uses
D: Cultivation
Correct Answer: A
Explanation: The association with Jesus’ crown of thorns is mentioned in the description section.

20: Which part of the plant is mainly found on new growth?
A: Flowers
B: Leaves
C: Thorns
D: Roots
Correct Answer: B
Explanation: The fleshy, green leaves are found mainly on new growth.

21: What type of plant family does the Crown of thorns belong to?
A: Rosaceae
B: Euphorbiaceae
C: Solanaceae
D: Fabaceae
Correct Answer: B
Explanation: The Crown of thorns belongs to the Euphorbiaceae family.

22: According to the conservation status, the Crown of thorns is listed as what?
A: Endangered
B: Vulnerable
C: Least Concern
D: Critically Endangered
Correct Answer: C
Explanation: The conservation status of the Crown of thorns is listed as Least Concern.

23: What have mutations in the Crown of thorns plant affected mainly?
A: Stem color
B: Leaf size
C: Thorn length
D: Flower shape
Correct Answer: D
Explanation: Mutations have affected the flower shape in the Crown of thorns.

24: How long can the fleshy green leaves of the Crown of thorns grow?
A: 5 cm
B: 3.5 cm
C: 2 cm
D: 1 cm
Correct Answer: B
Explanation: The leaves are up to 3.5 cm long.

25: Phorbol esters identified in the Crown of thorns sap cause what kind of symptoms when ingested?
A: Fever
B: Severe stomach pain, irritation of the throat and mouth, and vomiting
C: Dizziness
D: Hallucinations
Correct Answer: B
Explanation: The sap causes severe stomach pain, irritation, and vomiting when ingested.

26: The Crown of thorns plant is toxic to which animals?
A: Birds
B: Domesticated animals like horses, sheep, cats, and dogs
C: Fish
D: Insects
Correct Answer: B
Explanation: The plant is very toxic to domesticated animals like horses, sheep, cats, and dogs.

27: In which countries is the use of Crown of thorns for snail control especially recommended?
A: Non-endemic countries
B: Tropical countries
C: Endemic countries
D: European countries
Correct Answer: C
Explanation: Usage in aiding snail control is recommended in endemic countries.

28: The Crown of thorns plant introduced to the Middle East in ancient times is associated with what?
A: The birth of a king
B: The legend of Jesus’ crown of thorns
C: Ancient medicinal practices
D: Middle Eastern mythology
Correct Answer: B
Explanation: It is associated with the legend of Jesus’ crown of thorns.

29: Crown of thorns can produce flowers throughout the year. True or False?
A: True
B: False
Correct Answer: A
Explanation: The plant produces flowers all year round, although it thrives between spring and summer.

30: Which temperature conditions are necessary for Crown of thorns in temperate areas?
A: It needs to be grown in the shade
B: It needs to be grown in full sun under glass
C: It can be grown outdoors year-round
D: It should be submerged in water
Correct Answer: B
Explanation: In temperate areas, it needs to be grown under glass in full sun.

31: What is the maximum breadth of the leaves of the Crown of thorns?
A: 2.0 cm
B: 1.5 cm
C: 1.0 cm
D: 0.5 cm
Correct Answer: B
Explanation: The leaves can be up to 1.5 cm broad.

32: Which varieties have been described among the Crown of thorns plants?
A: Four main varieties
B: Several, with some treated as distinct species
C: Only one main variety
D: No varieties have been described
Correct Answer: B
Explanation: Several varieties have been described, and some are treated as distinct species by certain authors.

33: What is the local claim to fame for Wat Phrik in Thailand concerning the Crown of thorns?
A: World’s largest flower of the plant
B: Tallest Crown of thorns plant
C: Oldest known plant
D: Most colorful bracts
Correct Answer: B
Explanation: Wat Phrik claims to be home to the tallest Crown of thorns plant.

34: Euphorbia milii var. splendens is recognized by which society for its merits?
A: World Wildlife Fund
B: International Botanical Congress
C: Royal Horticultural Society
D: Environmental Protection Agency
Correct Answer: C
Explanation: The Royal Horticultural Society has awarded it for its garden merit.

35: Why should Crown of thorns not be placed outside in winter in temperate areas?
A: It needs constant humidity
B: It does not tolerate frost
C: It requires full day sunlight
D: It needs to be kept wet
Correct Answer: B
Explanation: It does not tolerate temperatures below 10 °C and should be sheltered from frost.

36: Crown of thorns is moderately poisonous if ingested by humans, but what reaction does it cause?
A: Euphoria
B: Skin boils
C: Irritation and severe stomach pain
D: Hair loss
Correct Answer: C
Explanation: If ingested, it causes severe stomach pain and irritation.

37: Which element of the plant helps it climb over other plants?
A: Its roots
B: Its leaves
C: Its spiny stems
D: Its flowers
Correct Answer: C
Explanation: The straight, slender spines on its stems help it scramble over other plants.

38: What colors can the bracts of the Crown of thorns be?
A: Blue and White
B: Red, Pink or White
C: Yellow and Green
D: Purple
Correct Answer: B
Explanation: The bracts can be red, pink, or white.

39: What local name is given to Crown of thorns in Madagascar?
A: Leloka
B: Songosongo
C: Yowana
D: Maleva
Correct Answer: B
Explanation: The native Malagasy name for the plant is “songosongo.”

40: The flower of Crown of thorns is small and what else?
A: Subtended by green bracts
B: Subtended by conspicuous petal-like bracts
C: Ever-blooming
D: Edible
Correct Answer: B
Explanation: The flowers are subtended by a pair of conspicuous petal-like bracts.

41: What part of the plant acts as a natural pest control agent?
A: The flowers
B: The thorns
C: The sap
D: The leaves
Correct Answer: C
Explanation: Extracts from the plant’s sap are used as a molluscicide to control snails.

42: Euphorbia milii var. splendens is also known as what in religious context?
A: The eternal rose
B: The plant of worship
C: The living deity
D: The holy herb
Correct Answer: C
Explanation: It is considered the living embodiment of the supreme deity in Bathouism.

43: Crown of thorns needs to be placed outside in a sheltered spot during which time?
A: Spring
B: Summer
C: Winter
D: Autumn
Correct Answer: B
Explanation: It may be placed outside during summer when all risk of frost is absent.

44: What type of climates can the Crown of thorns be grown in as an ornamental plant?
A: Warmer climates
B: Cold climates
C: Tropical rainforest
D: Arctic regions
Correct Answer: A
Explanation: It can be grown as an ornamental houseplant in warmer climates.

45: What kind of plant is E. milii var. longifolia classified as?
A: Varietal species
B: A hybrid
C: A synonym
D: An invasive species
Correct Answer: A
Explanation: E. milii var. longifolia is classified as a varietal species.

46: In which modern region is Bathouism practiced that reveres the Crown of thorns?
A: South America
B: South Africa
C: Eastern India and Nepal
D: Western Europe
Correct Answer: C
Explanation: Bathouism is practiced by the Bodo people in Eastern India and Nepal.

47: Who introduced the Crown of thorns to France?
A: A trader
B: A scientist
C: Baron Milius
D: A missionary
Correct Answer: C
Explanation: Baron Milius introduced the plant to France in 1821.

48: Which family does Crown of thorns belong to?
A: Malvaceae
B: Rosaceae
C: Euphorbiaceae
D: Fabaceae
Correct Answer: C
Explanation: It belongs to the Euphorbiaceae family.

49: The Crown of thorns produces its small flowers all year round but thrives mainly which period?
A: Winter
B: Autumn
C: Spring and Summer
D: Only during the tropical months
Correct Answer: C
Explanation: The plant thrives between spring and summer.

50: Severe toxic effects occur from the ingestion of the Crown of thorns sap. What are they?
A: Hair loss and nervousness
B: Severe stomach pain, throat irritation and vomiting
C: Euphoria and hyperactivity
D: Dry skin and rash
Correct Answer: B
Explanation: The sap causes severe stomach pain, throat irritation, and vomiting.

51: Crown of thorns is toxic to which group of animals?
A: Reptiles
B: Insects
C: Domesticated animals
D: Birds
Correct Answer: C
Explanation: The plant is toxic to domesticated animals such as horses, sheep, cats, and dogs.

52: Which section of a scholarly article would include the botanical classification details for Crown of thorns?
A: Introduction
B: Abstract
C: Materials and Methods
D: Scientific classification
Correct Answer: D
Explanation: Botanical classification details would typically go under the ‘Scientific classification’ section.

53: Crown of thorns is moderately poisonous to humans but severely toxic to what?
A: Rodents
B: Domesticated animals
C: Fish
D: Wild birds
Correct Answer: B
Explanation: The plant is severely toxic to domesticated animals.

54: What harmful ingredient is found in Crown of thorns’ sap?
A: Alkaloids
B: Phorbol esters
C: Saponins
D: Cyanogenic glycosides
Correct Answer: B
Explanation: The sap contains phorbol esters which cause irritation and poisoning.

55: Flower color variations in Crown of thorns include which shades?
A: Blue and Yellow
B: Red, Pink, and White
C: Purple and Green
D: Orange and Lavender
Correct Answer: B
Explanation: The bracts can be red, pink, or white.

56: To which clade does the Crown of thorns belong under plant classification?
A: Florids
B: Angiosperms
C: Bryophytes
D: Pteridophytes
Correct Answer: B
Explanation: The Crown of thorns belongs to the clade Angiosperms.

57: Which variety of Crown of thorns is considered the living embodiment of a deity in Bathouism?
A: E. milii var. splendens
B: E. milii var. hislopii
C: E. milii var. tananarivae
D: E. milii var. tenuispina
Correct Answer: A
Explanation: E. milii var. splendens is the variety considered the living embodiment of a deity in Bathouism.

58: What type of light is required if Crown of thorns is grown under glass in temperate regions?
A: Shade
B: Partial sunlight
C: Full Sun
D: Artificial light
Correct Answer: C
Explanation: It needs to be grown under glass in full sun in temperate regions.

59: What effect does contact with Crown of thorns’ sap have on human skin?
A: Smoothens skin
B: Causes irritation
C: Induces tanning
D: Acts as a cooling agent
Correct Answer: B
Explanation: Contact with the sap causes skin irritation.

60: The Crown of thorns is part of which order in the plant kingdom?
A: Solanales
B: Malvales
C: Malpighiales
D: Ranunculales
Correct Answer: C
Explanation: The plant belongs to the order Malpighiales.

What is the best quiz for you business?

Quizzes are super effective for lead generation and selling products. Find the best quiz for your business by answering a few questions.

Take the quiz