Why do you think it is necessary to use very small and exact volumes of reagents in biotechnology? (someone me)

It is for the purpose of ensuring that the procedures are successful. Biotechnology is the use of biological processes, cells or cellular components and organisms to develop or make products, or "any technological application that uses biological systems, living organisms, or derivatives to make or modify products or processes for specific use. 

The name of the instrument that the scientist uses is called a microscope.a microscope is used to view objects which is not visible to the naked eyes