Conversion of ammonia to nitrite by microbe is?

Nitrification

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Nitrogen fixation

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Eutrophication

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Denitrification

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Solution

The correct option is A Nitrification
Nitrification is the process of converting ammonia first into nitrite and into nitrate. In this process, ammonia is first oxidized to nitrite by the bacteria Nitrosomonas and Nitrococcus. The nitrite is further oxidized to nitrate by Nitrobacter.
So the correct answer is 'Nitrification'.

Suggest Corrections

	Column I		Column II
(a)	Nitrococcus	(i)	Denitrification
(b)	Rhizobium	(ii)	Conversion of ammonia to nitrite
(c)	Thiobacillus	(iii)	Conversion of nitrite of nitrite
(d)	Nitrobacter	(iv)	Conversion of atmospheric nitrogen to ammonia