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