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