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How to identify poisonous plants
Contributed by: Roe
  • 1. Which of these is a common sign of a poisonous plant?
A) Brightly colored flowers
B) Milky or discolored sap
C) Thick, sturdy stems
D) Sweet fragrance
  • 2. What is the most effective way to avoid contact with poisonous plants?
A) Learn to identify them and avoid them
B) Wear shorts and a t-shirt
C) Ignore warning signs
D) Touch all plants to see if they irritate your skin
  • 3. Urushiol is the oily resin found in which poisonous plant family?
A) Rosaceae
B) Asteraceae
C) Anacardiaceae
D) Lamiaceae
  • 4. Which of these plants causes skin irritation upon contact?
A) Poison Ivy
B) Daisy
C) Rose
D) Sunflower
  • 5. What is the active toxin in Poison Ivy, Poison Oak, and Poison Sumac?
A) Strychnine
B) Ricinine
C) Cyanide
D) Urushiol
  • 6. Which of these is a common characteristic of Poison Ivy?
A) Leaves in groups of three
B) Leaves with thorns
C) Large, single leaves
D) Red berries in the winter
  • 7. If you come into contact with Poison Ivy, what should you do immediately?
A) Cover the area with a bandage
B) Wash the affected area with soap and water
C) Ignore it and hope it goes away
D) Apply sunscreen
  • 8. Which of the following plants has toxic berries?
A) Strawberry
B) Raspberry
C) Blueberry
D) Deadly Nightshade
  • 9. What part of the Oleander plant is poisonous?
A) All parts
B) Only the leaves
C) Only the roots
D) Only the flowers
  • 10. Which plant contains cardiac glycosides, affecting the heart?
A) Foxglove
B) Mint
C) Lavender
D) Chamomile
  • 11. What type of reaction does poison ivy cause?
A) Blindness
B) Allergic contact dermatitis
C) Digestive upset
D) Respiratory illness
  • 12. Which of these is NOT a common symptom of poisonous plant exposure?
A) Rash
B) Blisters
C) Increased appetite
D) Itching
  • 13. Which of the following plants is poisonous if ingested?
A) Castor Bean
B) Cucumber
C) Bell Pepper
D) Tomato
  • 14. If a poisonous plant is ingested, what is the first thing you should do?
A) Drink large amounts of water
B) Wait and see if symptoms develop
C) Induce vomiting immediately
D) Call poison control
  • 15. What chemical is found in Dumbcane (Dieffenbachia) that causes oral irritation?
A) Urushiol
B) Cyanide
C) Strychnine
D) Calcium oxalate crystals
  • 16. Which plant is known for causing photosensitivity?
A) Sunflower
B) Giant Hogweed
C) Daisy
D) Rose
  • 17. What does photosensitivity mean?
A) Inability to see colors
B) Attraction to light
C) Increased skin sensitivity to sunlight after contact
D) Allergy to pollen
  • 18. Which of these plants is known to be poisonous to pets?
A) Lily
B) Bamboo
C) Sunflower
D) Rose
  • 19. Why should you avoid burning poisonous plants?
A) The smoke can carry irritants and toxins
B) It makes the plant less poisonous
C) It eliminates the plant completely
D) It's good for the environment
  • 20. Which of these plants is known for its bright red berries?
A) Daisy
B) Holly
C) Rose
D) Sunflower
  • 21. What is the best way to remove urushiol from tools and clothing?
A) Bury the items
B) Use bleach
C) Burn the items
D) Wash with soap and water
  • 22. Which of the following can help relieve itching from poison ivy?
A) Calamine lotion
B) Sugar water
C) Vinegar
D) Baking soda paste
  • 23. What type of soil can influence the toxicity of certain plants?
A) Soil with high levels of heavy metals
B) Loamy soil
C) Sandy soil
D) Clay soil
  • 24. Which of these plants is considered a common weed and can cause skin irritation?
A) Grass
B) Stinging Nettle
C) Dandelion
D) Clover
  • 25. What is the scientific name for poison ivy?
A) Rosa toxicus
B) Toxicodendron radicans
C) Solanum veneum
D) Lilium toxicum
  • 26. What precautions should be taken when handling Giant Hogweed?
A) Wear protective clothing, including eye protection
B) No precautions needed
C) Handle during midday sun
D) Only handle when the plant is dry
  • 27. What is a common use for gloves when removing poisonous plants?
A) Improving visibility of small plants
B) Making it easier to grip the plants
C) Keeping hands cool
D) Protecting skin from contact with the plants' oils
  • 28. Which of these is a characteristic feature of Poison Oak that helps identify it?
A) Lobed leaves resembling oak leaves
B) Smooth, rounded leaves
C) Leaves with serrated edges
D) Needle-like leaves
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