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Questions and Answers
What is the primary concern of weed science?
What is the primary concern of weed science?
- Studying plant diseases
- Managing plants for human activities (correct)
- Modifying the environment against natural evolutionary trends
- Exploring the history of settled agriculture
When did weeds begin to exist?
When did weeds begin to exist?
- During the emergence of weed science in the 20th century
- Since the development of herbicides
- Around 10,000 years ago (correct)
- Around 1,000 years ago
What is suggested to be the most common characteristic of the ancestors of dominant crop plants?
What is suggested to be the most common characteristic of the ancestors of dominant crop plants?
- Their tendency to thrive in disturbed habitats (correct)
- Their resistance to herbicides
- Their ability to withstand extreme weather conditions
- Their rapid growth rate
How are weeds controlled in much of the world?
How are weeds controlled in much of the world?
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What is one of the major limitations on a farmer's holding and yield per unit area?
What is one of the major limitations on a farmer's holding and yield per unit area?
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