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Microbes In Human Welfare

Question
CBSEENBI12000821
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Find out the role of microbes in the following and discuss it with your teacher.

(a) Single cell protein (SCP) (b) Soil.

Solution
(a) Single cell protein (SCP) are basically produced from the microbes, for example Candida utilis, Chlorella, Spirulina, Saccharomyces. The microbes are grown on an industrail scale for this purpose and they provide a huge amount of protein in a short span of time.  The single cell proteins are used as food supplements for humans.

(b) Soil- Microbes in the soil play an important role in increasing the fertility of the soil. Microbes breakdown the oraganic materials and enrich the soil with nutrients. Rhizobium is a symbiotic bacteria which helps to fix nitrogen in leguminous plants. 

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