1. Biotechnology is a broad area of biology, involving the use of living systems and organisms to develop or make products. Depending on the tools and applications, it often overlaps with related scientific fields
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2.Microbiology is the study of microorganisms, those being unicellular, multicellular, or acellular. Microbiology encompasses numerous sub-disciplines including virology, bacteriology, protistology, mycology, immunology and parasitology
3.a. Biotechnology is being used to produce new advanced biofuels that perform more like gasoline, providing better fuel economy and fewer blending issues than ethanol. The scope of biofuel biotechnology spans feedstock chemistry, degradation processes, and variations in technology.
b.Anabaena, nostoc, Spirulina – These are free living cynobacteria (green algal bacteria) which fix the nitrogen through photosynthesis. These organisms have been used as bio-fertilizers in India.
4.Red Biotechnology includes producing vaccines and antibiotics, developing new drugs, molecular diagnostics techniques, regenerative therapies and the development of genetic engineering to cure diseases through genetic manipulation.
Blue biotechnology is more of a field that makes use of marine bioresources as the source of biological applications. source. Blue biotechnology, in more specific terms, is the application of molecular biological methods to marine and freshwater organisms.