Microbes in Human Welfare | Revision Notes | Class 12

Microbes are diverse-protozoa, bacteria, fungi and microscopic plants viruses, viroid and also prions that are proteinacious infectious agents. They are…


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Environmental Issues | Revision Notes | Class 12

With increase in human population, demands for food, shelter, water, electricity, roads, and automobiles are increasing rapidly and exerting pressure…

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