Microorganisms: Friend and Foe — Science STD 8 — Question
Gujarat BoardEnglish MediumSTD 8ScienceMicroorganisms: Friend and Foe1 Mark
Question
Nitrogen cycle
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Answer
Nitrogen from the atmosphere is converted into nitrogen compounds by some bacteria like rhizobium and blue-green algae present in the soil and also by lightning. On the other hand, certain other bacteria present in the soil convert nitrogen compounds into nitrogen gas that is released to the atmosphere.
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