The process in which nitrates are reduced into molecular nitrogen is called:

Nitrification

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Ammonification

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Denitrification

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Nitrogen-fixation

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Solution

The correct option is C
Denitrification

Denitrification is the process in which heterotrophic and autotrophic bacteria convert nitrates into nitrites and then to nitrogen gas. This is the reverse process of nitrogen fixation and nitrification.

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Similar questions

Find the mismatched pair among the following:
i. Nitrification - Nitrosomonas
ii. Ammonification - Nitrobacter
iii. Denitrification - Azotobacter
iv. Nitrogen Fixation - Nostoc

Q. Which of the following processes releases nitrogen back into the atmosphere?
I. Nitrification
II. Denitrification
Ill. Nitrogen fixation

Q. Match the columns and choose the correct answer.

	I		II
(p)	Thiobacillus	(i)	Nitrogen fixation
(q)	Nitrosomonas	(ii)	Ammonification
(r)	Azotobacter	(iii)	Nitrification
(s)	Pseudomonas	(iv)	Denitrification

Q. Match the columns and choose the correct answer.

	I		II
p	Thiobacillus denitrificans	i	Nitrogen fixation
q	Nitrosomonas	ii	Ammonification
r	Azotobacter	iii	Nitrification
s	Bacillus vulgaris	iv	Denitrification

Q. The process of conversion of

N O_{3} \to N H_{3} \to N_{2}

is called _______ and is done by

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The process in which nitrates are reduced into molecular nitrogen is called:

The correct option is C Denitrification Denitrification is the process in which heterotrophic and autotrophic bacteria convert nitrates into nitrites and then to nitrogen gas. This is the reverse process of nitrogen fixation and nitrification.

The correct option is C
Denitrification

Denitrification is the process in which heterotrophic and autotrophic bacteria convert nitrates into nitrites and then to nitrogen gas. This is the reverse process of nitrogen fixation and nitrification.