The shift from grain to meat diets creates more demands for cereals? Why?

Question

 a. The shift from grain to meat diets creates more demands for cereals? Why?

 b. A 250 Kg cow produces 200 g of protein per day but 250 g of Methylophillus methylotrophus can produce 25 tonnes of protein. Name this emerging area of research. Explain its benefits

Answer 1

a. It takes 3–10 kg of grain to produce 1 kg of meat using animal farming. That is Why cereals demand increases.

b. Production of single cell proteins (SCP) by microbes. Microbes are being grown on an Industrial scale. Spirulina can be easily grown on starch, molasses etc., and can make food which is rich in proteins, minerals, fats, carbohydrates and vitamins. This could be a good alternative for dealing with the problem of malnutrition.