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The conversion of nitrate to nitrogen is called |
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a) |
Nitrification |
b) |
Denitrification |
c) |
Ammonification |
d) |
Nitrogen fixation |
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The conversion of nitrate to nitrogen is called |
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|
a) |
Nitrification |
b) |
Denitrification |
c) |
Ammonification |
d) |
Nitrogen fixation |
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(b) Denitrification is the reduction of nitrate to gaseous compounds of nitrogen. Under anaerobic conditions, some microorganism use nitrate and other oxidised ions as source of oxygen, e.g., Pseudomonas denitrificans, Thiobacillus denitrificans, Micrococcus denitrificans, etc. |