Question

 (i) Why denitrification of nitrogenous compounds is necessary?

(ii) What is the special structure found in legumes and what is its function

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Answer 1

Answer:

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Explanation:

(i) Denitrification of nitrogenous compounds is necessary so thatnitrogen cycle does not stop and free nitrogen remainsavailable to living organisms.

(ii) Root nodules are found in the roots of legumes that containnitrogen fixing bacteria which help in fixing nitrogen from thesurroundings

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Answer 2

1) Denitrification is the process by which nitrate is reduced to nitrogen gas by soil microbes when oxygen is not present. This process is vital to the recycling of nitrogen for soil health, microbial and plant growth, and animal health.

2) Legumes, an important plant family which includes lentils, soybeans, and peanuts, have the ability to prosper in nitrogen-poor soil environments thanks to an ingenious adaptation.

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