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An association between the root nodule of a leguminous plant and rhizobium sp, is known...

Biology
JAMB 2001

An association between the root nodule of a leguminous plant and rhizobium sp, is known as

  • A. commmensalism
  • B. mycorrhiza
  • C. parastism
  • D. symbiosis
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Correct Answer: Option D
Explanation

The association between the root nodule of a leguminous plant and rhizobium sp is a symbiotic relationship that benefits both the plant and the bacteria.

Rhizobium bacteria are soil bacteria that infect the roots of leguminous plants and cause the formation of nitrogen-fixing nodules. The bacteria convert atmospheric nitrogen into ammonia, which the plant can use for growth and development.  Leguminous plants on the other hand with their plant roots provide food to the rhizobia in the form of carbohydrates, such as malate and succinate.

Mycorrhiza is a symbiotic relationship between the roots of plants and fungi that benefits both organisms.

There is an explanation video available below.


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Explanation Video

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