Natural fixation of nitrogen takes place through a non-biological process called ___________.

artificial fixation

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nitrogen fixation by lightening

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industrial fixation

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synthetic fixation

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Solution

The correct option is B nitrogen fixation by lightening
In non biological fixation of nitrogen when the plant dies the fixed nitrogen is released making it available to other plants and this helps to fertilize the soil. The great majority of legumes have this association but a few genera do not. In farming practices fields are rotated through various crops like clover and buckwheat which are known as green manure.

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Similar questions

Nitrogen fixation is a process in which nitrogen ( $N_{2}$ ) in the atmosphere is converted into ammonium ${N H_{4}}^{+}$ or nitrogen dioxide ( $N O_{2}$ ). Which of the following is/are responsible for this?

Q.
What do you understand by symbiotic nitrogen fixation? Describe the role of leghaemoglobin in nitrogen fixation. Outline the process of nitrogen fixation as it takes place in the bacteroid inhabiting a legume nodule.

Q. Which of the following is a non-biological way of nitrogen fixation in the atmosphere?

Legume Plants are responsible for fixation of nitrogen by a biological method.

Q. The process of biological nitrogen-fixation does not take place in the presence of:
(a) molecular form of hydrogen
(b) elemental form of oxygen
(c) elemental form of nitrogen

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