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Noxious weed: Quiz


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Question 1: A noxious weed is a plant species that has been designated by state or national agricultural authorities as a plant that is injurious to agricultural and/or horticultural crops and/or humans and ________.

Question 2: Many noxious weeds have come to America through shipments of preferred ________, some were introduced purposefully for garden plants.
FlowerFlowering plantSeedFruit

Question 3: Most have been introduced into a foreign ________ either by accident or mismanagement, but some are also native species.
Ecosystem ecologyEcologySystems ecologyEcosystem

Question 4: ________: originated in the Mediterranean area and Asia.
CentaureaCaliforniaOregonCentaurea solstitialis

Question 5: They are a large problem in many parts of the world, greatly affecting areas of ________, forest management and other open lands.
Organic farmingAgricultureIntensive farmingSustainable agriculture

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