Noxious Weeds - Quiz
  • 1. What is an ecosystem?
A) All of the living and nonliving things that affect a given habitat
B) None of these answers is correct
C) It's another word for environmental science
D) The water cycle in a given area
E) The life cycle of plants and animals in a community
  • 2. What is the role of a plant in an ecosystem?
A) Absorb excess water from the soil
B) Converts the sun's energy to food
C) It eats consumers
D) To provide beauty to the other plants around it
E) None of these answers is correct
  • 3. What is a weed?
A) A type of reed used to make furniture
B) All of these answers are correct
C) Any plant growing where it is not wanted
D) A herb used by the ancient Egyptians to mummify the bodies of Pharaohs
E) Plants of foreign origin that injure the environment in which they are introduced
  • 4. What is a noxious weed?
A) A plant that only grows in mud
B) A weed that always smells really bad
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) Soil erosion
B) Fire hazards
C) Destroy habitat
D) All of these answers are correct
E) Reduce biodiversity
  • 6. How do noxious weeds reduce biodiversity?
A) By isolating fungi and bacteria that would kill off other plants
B) By making more soil nutrients to enrich the soil
C) By creating monoculture's
D) By helping native plants grow better
  • 7. How do noxious weeds destroy habitat?
A) None of these answers are correct
B) They provide food for predators
C) They actually help the environment by killing off unwanted insects
D) They start fires
E) They can crowd out native plants
  • 8. What is allelopathy?
A) A chemical that can prevent the growth of other plants
B) The study of the sea animals called Allelos
C) Using Aloe Vera plants to heal injuries
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) Cheatgrass
C) Leafy spurge
D) Dalmatian toadflax
E) Spotted knapweed
  • 10. What noxious weed produces 1000 seeds per year per plant?
A) Cheatgrass
B) Perennial pepperweed
C) Spotted knapweed
D) Salt cedar
E) Leafy spurge
  • 11. What is a bi-annual plant?
A) A plant that blooms every other year
B) A plant that growths for two out of the four seasons before dying
C) A plant that has two main stems
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) A plant that comes grows back every year
C) All of these answers are correct
D) A type of bush that grows in Natrona County
E) A type pf weed related to pepperweed
  • 14. What is the number one noxious weed in the world?
A) Spotted knapweed
B) Canada thistle
C) Salt cedar
D) Leafy spurge
E) Cheatgrass
  • 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) Hunting
B) Drought
C) Lack of producers in the food chain
D) Noxious weeds
E) Climate change
  • 17. What is integrated weed management?
A) Use multiple ways to control noxious weeds
B) Management of multiple weeds
C) A way to destroy all of the weeds in an area at one time
D) Using chemicals to destroy all weeds
E) None of these answers is correct
  • 18. Noxious weeds can directly or indirectly harm public health
A) False
B) True
  • 19. What is biodiversity?
A) It's another word for environmental science
B) The life cycle of plants and animals in a community
C) All of these answers are correct
D) The variety of plants and animals in a habitat
E) A habitat that includes two types of biomes
  • 20. Noxious weeds can affect recreation.
A) True
B) False
  • 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) Chemical
B) Mechanical
C) Cultural
D) All of these answers are correct
E) Biological
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