Biotechnology is a major branch of science that plays a critical role in various different fields. The major fields where biotechnology plays a progressive role include agriculture, veterinary sciences, chemical technology, food technology, environmental studies and pharmaceutical industry. There are various other branches or fields where biotechnological principles are efficiently applied. Biotechnology is classified into four major groups depending on the field for which it has been used. The present review depicts the application of biotechnology in various scientific fields.

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