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Unicellular symbiotic organisms that improve the yield of legumes by
  • a)
    fixing atmospheric nitrogen without colonising roots of host plant
  • b)
    fixing atmospheric nitrogen and colonising roots of host plant
  • c)
    inducing the host plant to absorb more phosphours
  • d)
    stimulating the host plant to become tolerant to drought
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Unicellular symbiotic organisms that improve the yield of legumes bya)...
Symbiotic nitrogen fixing bacteria form a mutually beneficial association with the plants. The bacteria obtain food and shelter from plants. In return, they give a part of their fixied nitrogen to the plants. The most important of the symbiotic nitrogen fixing bacteria is Rhizobium. it forms nodule on the roots of legume plants. They develop the ability to fix nitrogen only when they are present inside the root nodules. in the nodule cells, bacteria (bacteroids) lie in groups surrounded by membrane of the host which is lined by a pink-red pigment called leghaemoglobin.
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Unicellular symbiotic organisms that improve the yield of legumes bya)...
Fixing atmospheric nitrogen and colonising roots of host plant
- Some unicellular symbiotic organisms, known as nitrogen-fixing bacteria, have the ability to fix atmospheric nitrogen and colonize the roots of host plants, particularly legumes.
- These bacteria form a symbiotic relationship with the legume plant by infecting the roots and forming specialized structures called nodules.
- Inside these nodules, the bacteria convert atmospheric nitrogen into a form that can be used by the plant as a nutrient, ultimately improving the plant's yield.
- This process is beneficial for the plant as it allows them to access a vital nutrient that is essential for their growth and development.
- By colonizing the roots of the host plant, these symbiotic organisms play a crucial role in enhancing the plant's ability to thrive and produce a higher yield of crops.
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Unicellular symbiotic organisms that improve the yield of legumes bya)fixing atmospheric nitrogen without colonising roots of host plantb)fixing atmospheric nitrogen and colonising roots of host plantc)inducing the host plant to absorb more phosphoursd)stimulating the host plant to become tolerant to droughtCorrect answer is option 'B'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Unicellular symbiotic organisms that improve the yield of legumes bya)fixing atmospheric nitrogen without colonising roots of host plantb)fixing atmospheric nitrogen and colonising roots of host plantc)inducing the host plant to absorb more phosphoursd)stimulating the host plant to become tolerant to droughtCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Unicellular symbiotic organisms that improve the yield of legumes bya)fixing atmospheric nitrogen without colonising roots of host plantb)fixing atmospheric nitrogen and colonising roots of host plantc)inducing the host plant to absorb more phosphoursd)stimulating the host plant to become tolerant to droughtCorrect answer is option 'B'. Can you explain this answer?.
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