In which part of a leguminous plant can you find bacteria like Azotobacter?
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Correct Answer: Option D
Explanation:
D. In nodules
Explanation:
In leguminous plants, nitrogen-fixing bacteria such as *Rhizobium* (not *Azotobacter*) are commonly found in root nodules, where they convert atmospheric nitrogen into a form usable by the plant. While *Azotobacter* is also a nitrogen-fixing bacterium, it is free-living in the soil and not typically found in plant tissues. However, the question seems to be using *Azotobacter* loosely to refer to nitrogen-fixing bacteria in general.
So, based on the structure mentioned:
D. In nodules is the best choice.
D. In nodules
Explanation:
In leguminous plants, nitrogen-fixing bacteria such as *Rhizobium* (not *Azotobacter*) are commonly found in root nodules, where they convert atmospheric nitrogen into a form usable by the plant. While *Azotobacter* is also a nitrogen-fixing bacterium, it is free-living in the soil and not typically found in plant tissues. However, the question seems to be using *Azotobacter* loosely to refer to nitrogen-fixing bacteria in general.
So, based on the structure mentioned:
D. In nodules is the best choice.