Ans. Soybean is traditionally used for the production of soy milk from which tofu and tofu skin is being prepared. Soybeans undergo a fermentation process from which various food products are formed like soy sauce, fermented bean paste, nattō, and tempeh. They are a rich source of phytic acid, dietary minerals and B vitamins and all these are important sources of nutrients for the body to grow and it is considered as a cheap source of protein for organisms to take.