The correct option is C Industrial process
Gray biotechnology :
Gray biotechnology deals with the processes of synthesis important for environmental applications, removal of pollutants as well as biodiversity maintenance using biotechnological techniques.
Red biotechnology :
Red biotechnology deals with the processes involving organisms in order to improve health as well as combat diseases. The applications include pharmaceutical and therapeutic avenues.
Green biotechnology :
Green biotechnology deals with application of biotechnology in agricultural processes resulting in the creation of transgenic plants, tissue culture etc. This is aimed at heightening the quantity and quality of plant produce.
Blue biotechnology :
Blue biotechnology is the application of biotechnology in aquatic processes involving preservation of marine species, restoration of aquatic wildlife as well as their utilisation in the production of novel medicines etc.