Chapter 9 of 9
Concept Maps
Nitrogen Metabolism — Concept Maps
NIOS · Class 12 · Biology
3 concept maps of Nitrogen Metabolism for NIOS Class 12 Biology, each also written out as a text outline. Part of the NIOS Class 12 Biology syllabus.
45 questions20 flashcards5 concepts
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3 Concept Maps
Nitrogen Metabolism — Complete Chapter Overview
The map in words
- Nitrogen Metabolism
- Molecular Nitrogen
- N2 is 78 percent in atmosphere
- Triple bond N triple N
- Boiling point minus 195.8 C
- Proteins contain 16 percent N
- Nitrogen Cycle
- Nitrogen Fixation
- Nitrification
- Denitrification
- Decomposition
- Nitrogen Fixation
- Abiological
- Industrial Habers Process
- Natural Lightning
- Biological
- Enzyme Nitrogenase Mo-Fe protein
- 16 ATP consumed
- N2 to Diamide to Hydrazine to NH3
- Abiological
- Nitrogen Fixers
- Free Living
- Azotobacter aerobic
- Clostridium anaerobic
- Klebsiella facultative
- Anabaena cyanobacteria
- Rhodospirillum photosynthetic
- Symbiotic
- Rhizobium in Legumes
- Cyanobacteria in Cycas
- Cyanobacteria in Azolla
- Actinomycetes in Alnus
- Free Living
- Leghemoglobin
- Only in Legume nodules
- Heme from Rhizobium
- Globin from Legume
- Oxygen Scavenger
- Nitrate Assimilation
- Nitrate to Nitrite
- Nitrate Reductase
- In Cytosol
- NADH used
- Nitrite to Ammonia
- Nitrite Reductase
- In Chloroplast
- NADPH and Ferredoxin
- Nitrate to Nitrite
- Amino Acid Synthesis
- Reductive Amination
- NH3 plus Keto acid
- Glutamate Dehydrogenase
- Produces Glutamic Acid
- Transamination
- Amino group transfer
- Transaminase enzyme
- Produces many amino acids
- Reductive Amination
- Molecular Nitrogen
Nitrogen Metabolism: Comprehensive Overview
The map in words
- Nitrogen Metabolism
- Nitrogen Fixation
- Abiological
- Industrial Haber Process
- Lightning Nitrogen Oxides
- Biological
- Free-Living Fixers
- Azotobacter
- Clostridium
- Anabaena
- Symbiotic Fixers
- Legume-Rhizobium
- Azolla-Cyanobacteria
- Cycas-Cyanobacteria
- Free-Living Fixers
- Abiological
- Nitrogen Assimilation
- Nitrate Reduction
- Nitrate Reductase
- Nitrite Reductase
- Ammonia Formation
- From N2 fixation
- From NO3 reduction
- Nitrate Reduction
- Amino Acid Synthesis
- Reductive Amination
- Glutamic Acid
- Aspartic Acid
- Transamination
- Amino Group Transfer
- Keto Acid Templates
- Reductive Amination
- Nitrogen Cycle
- Fixation
- Assimilation
- Decomposition
- Nitrification
- Denitrification
- Biomolecules Formed
- Proteins
- Nucleic Acids
- Enzymes
- Vitamins
- Alkaloids
- Nitrogen Fixation
Nitrogen Metabolism — Complete Overview
The map in words
- Nitrogen Metabolism
- Molecular Nitrogen
- 78 percent in atmosphere
- Triple bond N triple bond N
- Highly stable
- 16 percent in proteins
- Nitrogen Cycle
- Fixation
- Nitrification
- Assimilation
- Ammonification
- Denitrification
- Nitrogen Fixation
- Abiological
- Haber Process
- Lightning Storms
- Biological
- Free Living
- Azotobacter
- Clostridium
- Anabaena
- Symbiotic
- Rhizobium and Legumes
- Cyanobacteria and Azolla
- Cyanobacteria and Cycas
- Free Living
- Abiological
- Nitrate Assimilation
- Nitrate to Nitrite
- Cytosol
- Nitrate Reductase
- Nitrite to Ammonia
- Chloroplast
- Nitrite Reductase
- Nitrate to Nitrite
- Amino Acid Synthesis
- Reductive Amination
- Port of Entry for NH3
- Glutamate Dehydrogenase
- Transamination
- Amino group transfer
- Transaminase
- Reductive Amination
- Molecular Nitrogen
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Explore DiagramsFrequently Asked Questions
What are the important topics in Nitrogen Metabolism for NIOS Class 12 Biology?
Key topics in Nitrogen Metabolism include Molecular Nitrogen and the Nitrogen Cycle, Nitrogen Fixation — Biological and Abiological, Free-Living and Symbiotic Nitrogen-Fixing Organisms, Nitrate and Ammonia Assimilation by Plants. Study these first, then practise questions on each for the NIOS Class 12 board exam.
What do the concept maps for Nitrogen Metabolism show?
The 3 maps show how the ideas in Nitrogen Metabolism connect: Nitrogen Metabolism — Complete Chapter Overview; Nitrogen Metabolism: Comprehensive Overview. Each map is also written out as an outline on this page.
How should I revise Nitrogen Metabolism for the NIOS Class 12 board exam?
Learn the core ideas first, then work through the 45 practice questions on Nitrogen Metabolism. Revise definitions regularly and use flashcards for quick recall before the exam.
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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