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How to use plants to repel insects - Exam
Contributed by: Roe
  • 1. Which plant is known for repelling mosquitoes with its citronellol content?
A) Tomato Plant
B) Sunflower
C) Rose Bush
D) Citronella Grass
  • 2. What insect does basil effectively repel?
A) Spiders
B) Flies
C) Beetles
D) Ants
  • 3. Which herb is known for repelling cabbage moths and whiteflies?
A) Chives
B) Dill
C) Rosemary
D) Mint
  • 4. Marigolds are particularly effective against what type of garden pest?
A) Caterpillars
B) Slugs
C) Nematodes
D) Aphids
  • 5. What plant repels aphids, cabbage loopers, and spider mites?
A) Petunia
B) Lavender
C) Geranium
D) Nasturtium
  • 6. Which plant is known to deter Japanese beetles?
A) Thyme
B) Oregano
C) Sage
D) Garlic
  • 7. What type of insect does mint help repel?
A) Mosquitoes
B) Spider Mites
C) Ants
D) Cabbage Moths
  • 8. Which of these plants can help deter moths?
A) Borage
B) Chamomile
C) Lavender
D) Yarrow
  • 9. What insect is rue known to repel?
A) Slugs
B) Japanese Beetles
C) Whiteflies
D) Aphids
  • 10. Which plant can repel mosquitoes by releasing its scent when crushed?
A) Lemon Balm
B) Catnip
C) Spearmint
D) Peppermint
  • 11. What is the active ingredient in chrysanthemum flowers that repels insects?
A) Limonene
B) Eugenol
C) Pyrethrum
D) Citronellol
  • 12. Which plant repels squash bugs and cucumber beetles?
A) Potatoes
B) Beets
C) Carrots
D) Radishes
  • 13. What plant is effective at repelling ticks?
A) Oregano
B) Parsley
C) Sage
D) Thyme
  • 14. Which of these is a natural insecticide derived from plants?
A) Mineral Oil
B) Neem Oil
C) Vegetable Oil
D) Baby Oil
  • 15. Which plant effectively repels whiteflies and aphids?
A) Parsley
B) Chives
C) Cilantro
D) Dill
  • 16. What insect does dill repel?
A) Aphids
B) Mosquitoes
C) Cabbage moths
D) Ants
  • 17. Which plant is toxic to many insects, used in organic pest control?
A) Wormwood
B) Calendula
C) Chamomile
D) Fennel
  • 18. What is a benefit of using plant-based insect repellents?
A) Always 100% effective
B) Works instantly
C) Cheaper than chemical repellents
D) Reduced chemical exposure
  • 19. How do aromatic plants repel insects?
A) Releasing poison
B) Providing food
C) Masking scents
D) Attracting predators
  • 20. Which plant deters asparagus beetles?
A) Tomato
B) Eggplant
C) Pepper
D) Cucumber
  • 21. Which of these methods is commonly used to apply plant-based insect repellents?
A) Eating the plants
B) Creating sprays
C) Burying plants
D) Burning plants
  • 22. What is the effect of planting near other insect-repelling plants?
A) Decreased repellency
B) Attracting more insects
C) No effect
D) Increased repellency
  • 23. Which plant deters potato beetles?
A) Beet
B) Horseradish
C) Radish
D) Turnip
  • 24. What insect is repelled by catnip?
A) Mosquitoes
B) Aphids
C) Ants
D) Flies
  • 25. Which plant can repel spider mites on fruit trees?
A) Onions
B) Leeks
C) Chives
D) Garlic
  • 26. What type of plant is often used in window boxes to deter flies?
A) Pansies
B) Geraniums
C) Impatiens
D) Petunias
  • 27. How is neem oil typically applied to plants?
A) As a soil amendment
B) As a fertilizer
C) As a spray
D) As a root dip
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