Q.71 (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,
grain to produce 1 kg of meat by animal farming
(b) This research is related to single cel protein
Microbes are being grown on an industrial scale as a source of good protein. Microbes
like Spirulina can be grown easily on materials like wastewater from potato processing
plants (containing starch), straw, molasses, animal manure and even sewage, to
produce large quantities and can serve as food rich in protein, minerals, fats,
carbohydrate and vitamins.
Such utilisation also reduces the environmental pollution.
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