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Answer:

Root nodules is the correct answer of this question.

Explanation:

  • Root nodules and nitrogen is absorbed by soil which is then absorbed by plants roots
  • Nitrogen is a central component of living organisms ' bodies. All proteins contain nitrogen atoms, and \text{DNA}DNA start text, D, N, A, end text.
  • Root nodules are located at plant roots, mainly legumes, which form a symbiosis of nitrogen-fixing bacteria.
  • Plants take a nitrogen compounds through root nodules.

Nitrogen cycle is the processes by which nitrogen moves through both living and non-living things. In plants it occurs through root nodules.

What are the steps involved in nitrogen cycle?

In nitrogen cycle, nitrogen is converted into multiple chemical forms and then it circulate in environment.

It can be done in following steps:

  • Nitrogen fixation.
  • Decay.
  • Nitrification.
  • Denitrification.

This generated nitrogen is taken by plants with the help of root nodules.

Thus, plants take in nitrogen compounds through their root nodules.

For more information regarding nitrogen cycle, visit:

https://brainly.com/question/1615727

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