Nitrogen Metabolism Past Year (2006 - 2015) MCQs Mineral Nutrition (OLD NCERT) Botany NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Which two distinct microbial processes are responsible for the release of fixed nitrogen as dinitrogen gas (N₂) to the atmosphere?

1.	Aerobic nitrate oxidation, and nitrite reduction
2.	Decomposition of organic nitrogen, and conversion of dinitrogen to ammonium compounds
3.	Enteric fermentation in cattle, and nitrogen fixation by Rhizobium in root nodules of legumes
4.	Anaerobic ammonium oxidation, and denitrification

Subtopic: Nitrogen Fixation | Nitrogen Metabolism |

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