Tamilnadu BoardEnglish MediumSTD 11BIO BOTANYLiving World2 Marks
Question
What is the reason behind the earthy odour after raining?
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Answer
Streptomyces is a mycelial forming Actinobacteria which lives in soil, they impart “earthy odour” to soil after rain which is due to the presence of geosmines (volatile organic compound).
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