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