SCIENCE
VIRUS AND BACTERIA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Nitrogen-fixing bacteria live on the roots of leguminous plants in swellings called nodules. The bacteria synthesize nitrogen compounds that are used by the plants, and the plants provide moisture and nutrients for the bacteria. The interaction between the nitrogen-fixing bacteria and the leguminous plants is known as
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parasitism
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mutualism
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saprophytism
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commensalism
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Explanation:
Detailed explanation-1: -Hence, the correct answer is ‘Rhizobium’.
Detailed explanation-2: -Legumes are able to form a symbiotic relationship with nitrogen-fixing soil bacteria called rhizobia.
Detailed explanation-3: -Rhizobium like bacteria live symbiotically with root systems of leguminous plants and fix from the atmospheric nitrogen.
Detailed explanation-4: -Rhizobium is a nitrogen-fixing bacteria found in the root nodules of pulses like peas, green gram etc. The bacteria fix atmospheric nitrogen and provide it to the plants to absorb. In return, the plants provide shelter and nutrition to the bacteria.
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