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Noxious Weeds - Quiz
Contributed by: Ochs
  • 1. What is an ecosystem?
A) The life cycle of plants and animals in a community
B) It's another word for environmental science
C) The water cycle in a given area
D) None of these answers is correct
E) All of the living and nonliving things that affect a given habitat
  • 2. What is the role of a plant in an ecosystem?
A) To provide beauty to the other plants around it
B) It eats consumers
C) None of these answers is correct
D) Absorb excess water from the soil
E) Converts the sun's energy to food
  • 3. What is a weed?
A) All of these answers are correct
B) A herb used by the ancient Egyptians to mummify the bodies of Pharaohs
C) Any plant growing where it is not wanted
D) A type of reed used to make furniture
E) Plants of foreign origin that injure the environment in which they are introduced
  • 4. What is a noxious weed?
A) A weed that always smells really bad
B) A plant that only grows in mud
C) Any plant growing where it is not wanted
D) Plants of foreign origin that injure the environment in which they are introduced
  • 5. How do noxious weeds affect our environment?
A) Fire hazards
B) Destroy habitat
C) Reduce biodiversity
D) All of these answers are correct
E) Soil erosion
  • 6. How do noxious weeds reduce biodiversity?
A) By making more soil nutrients to enrich the soil
B) By creating monoculture's
C) By isolating fungi and bacteria that would kill off other plants
D) By helping native plants grow better
  • 7. How do noxious weeds destroy habitat?
A) They provide food for predators
B) They can crowd out native plants
C) They start fires
D) None of these answers are correct
E) They actually help the environment by killing off unwanted insects
  • 8. What is allelopathy?
A) A chemical that can prevent the growth of other plants
B) Using Aloe Vera plants to heal injuries
C) The study of all elements in an ecosystem
D) The study of the sea animals called Allelos
  • 9. What noxious weed is the number one concern in Natrona County?
A) Leafy spurge
B) Spotted knapweed
C) Dalmatian toadflax
D) Cheatgrass
E) Scottish thistle
  • 10. What noxious weed produces 1000 seeds per year per plant?
A) Cheatgrass
B) Salt cedar
C) Leafy spurge
D) Spotted knapweed
E) Perennial pepperweed
  • 11. What is a bi-annual plant?
A) A plant that has two main stems
B) A plant that growths for two out of the four seasons before dying
C) A plant that blooms every other year
D) A plant that grows for two years before dying
  • 12. What is an annual plant?
A) A plant that dies off every year
B) Noe of these answers are correct
C) A plant that never flowers
D) A plant that blooms every year
E) A plant that grows back every year
  • 13. What is a perennial plant?
A) A plant that never dies and never has flowers
B) All of these answers are correct
C) A plant that comes grows back every year
D) A type pf weed related to pepperweed
E) A type of bush that grows in Natrona County
  • 14. What is the number one noxious weed in the world?
A) Spotted knapweed
B) Leafy spurge
C) Salt cedar
D) Cheatgrass
E) Canada thistle
  • 15. Education is one of many ways to control noxious weeds.
A) False
B) True
  • 16. What is the second leading cause of extinction worldwide?
A) Drought
B) Lack of producers in the food chain
C) Noxious weeds
D) Climate change
E) Hunting
  • 17. What is integrated weed management?
A) None of these answers is correct
B) A way to destroy all of the weeds in an area at one time
C) Using chemicals to destroy all weeds
D) Management of multiple weeds
E) Use multiple ways to control noxious weeds
  • 18. Noxious weeds can directly or indirectly harm public health
A) True
B) False
  • 19. What is biodiversity?
A) All of these answers are correct
B) A habitat that includes two types of biomes
C) The variety of plants and animals in a habitat
D) The life cycle of plants and animals in a community
E) It's another word for environmental science
  • 20. Noxious weeds can affect recreation.
A) False
B) True
  • 21. Biological control of noxious weeds involves pulling the plants or cutting them down
A) True
B) False
  • 22. Weeds can actually decrease tourism
A) False
B) True
  • 23. Fish are not affected by noxious weeds, but ducks and geese can be
A) False
B) True
  • 24. Salt cedar can be found in the city of Casper
A) True
B) False
  • 25. What method can be used to control noxious weeds?
A) Mechanical
B) Cultural
C) Biological
D) Chemical
E) All of these answers are correct
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