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