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