- 1. What is the scientific name of Crown of Thorns plant?
A) Euphorbia milii
B) Poison Ivy
C) Thorny succulent
D) Spurge plant
- 2. What is the typical color of the flowers of Crown of Thorns plant?
A) Yellow
B) White
C) Red
D) Blue
- 3. How can you propagate a Crown of Thorns plant?
A) Plant seeds
B) Division
C) Air layering
D) Cuttings
- 4. Which family does the Crown of Thorns plant belong to?
A) Cactus
B) Fabaceae
C) Rosaceae
D) Euphorbiaceae
- 5. What are the alternative names for the Crown of Thorns plant?
A) Red Spikes, Spiny Star
B) Thorny King, Thorny Devil
C) Thorned Rose, Blood Crown
D) Christ plant, Christ Thorn
- 6. How can you prevent overwatering of a Crown of Thorns plant?
A) Mist the plant daily
B) Use well-draining soil
C) Place in a humid environment
D) Water from the bottom
- 7. What is the common pest problem faced by Crown of Thorns plants?
A) Aphids
B) Whiteflies
C) Spider mites
D) Mealybugs
- 8. What do the thorns of a Crown of Thorns plant help protect it from?
A) Heat stress
B) Disease
C) Frost
D) Herbivores
- 9. Where is the Crown of Thorns plant native to?
A) Madagascar
B) Sahara Desert
C) Amazon Rainforest
D) Australia
- 10. Which part of the Crown of Thorns plant is toxic if ingested?
A) Leaves
B) Stems
C) Flowers
D) Sap
- 11. Which type of light is best for the Crown of Thorns plant?
A) Full shade
B) Direct sunlight
C) Bright indirect light
D) Low light
- 12. Which famous Indian leader is known to have mentioned the Crown of Thorns plant in his works?
A) Rabindranath Tagore
B) Indira Gandhi
C) Mahatma Gandhi
D) Jawaharlal Nehru
- 13. What famous landmark is said to have a replica of the Crown of Thorns made from the plant?
A) Taj Mahal
B) Great Wall of China
C) Eiffel Tower
D) Notre Dame Cathedral
- 14. How many petals does a typical flower of the Crown of Thorns plant have?
A) 5
B) 6
C) 3
D) 8
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