Which one of the following bacteriafix nitrogen in legume plant roots ...
Fixation of Nitrogen in Legume Plant Roots
Nitrogen fixation is the process by which nitrogen gas from the atmosphere is converted into a form that plants can use, such as ammonia. Legume plants have a symbiotic relationship with certain bacteria that are capable of fixing nitrogen.
Heterotropic Eubacteria
Heterotropic Eubacteria, specifically a group of bacteria known as Rhizobia, are responsible for nitrogen fixation in legume plant roots. These bacteria form nodules on the roots of legume plants, such as soybeans, peas, and clover. Within these nodules, the bacteria convert atmospheric nitrogen gas into ammonia, which the plant can then utilize for growth and development.
Symbiotic Relationship
The relationship between legume plants and Rhizobia bacteria is mutually beneficial. The bacteria receive carbohydrates and other nutrients from the plant, while the plant benefits from the nitrogen that the bacteria fix. This symbiosis allows legume plants to thrive in nitrogen-deficient soils.
Conclusion
In conclusion, it is the heterotropic eubacteria, specifically the Rhizobia group, that fix nitrogen in the roots of legume plants. This process is essential for the growth and development of legume crops and plays a significant role in sustainable agriculture practices.
Which one of the following bacteriafix nitrogen in legume plant roots ...
Nitrogen-fixing bacteria in legume plant roots:
- Correct Answer: Heterotropic Eubacteria
Heterotropic Eubacteria, specifically Rhizobium species, form a symbiotic relationship with legume plants. They colonize the roots and convert atmospheric nitrogen into a form that plants can utilize, aiding in plant growth. This mutualistic relationship benefits both the bacteria and the plant, as the plant provides nutrients while the bacteria fix nitrogen, enhancing soil fertility without the need for synthetic fertilizers.
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