The major chunk of nitrogen in nature is fixed by

Lightning

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Symbiotic bacteria

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Denitrifying bacteria

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Chemical industries

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Solution

The correct option is B Symbiotic bacteria
Symbiotic nitrogen fixation occurs in plants that harbor nitrogen-fixing bacteria within their tissues. The best-studied example is the association between legumes and bacteria in the genus, Rhizobium. Each of these is able to survive independently (soil nitrates must then be available to the legume), but life together is clearly beneficial to both. Only together can nitrogen fixation take place. A symbiotic relationship in which both partners benefits is called mutualism.

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Similar questions

Q. The bulk of nitrogen in nature is fixed by?

What is meant by ' nitrogen fixation' ? State two ways in which nitrogen gas of the atmosphere can be 'fixed' in nature to get nitrogen compounds is the soil.

Q. In nature major quantity of nitrogen fixation takes place by

Q. Which of the following can convert the nitrogen molecules present in air into nitrates and nitrites?
(a) a biological process of nitrogen-fixing bacteria present in the soil
(b) a biological process of carbon fixing factor present in the soil
(c) any of the industries manufacturing nitrogenous compounds

Which of the following is responsible for adding nitrogen to atmosphere?

I. Denitrifying bacteria

II. Industrial fertilizer production

III. Lightning

IV. Nitrogen-fixing bacteria

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