Question

Q- What are nitrogen fixing bacteria? dicuss the role of bacteria in dairy industry and biotechnology.

Answer 1

nitrogen fixing bacterias are those who convert atmospheric bacteria to nirates which are soluble in water.... and can be absorbed by the plants directly. They are known as rhizobium bacteria. So crop rotation is done to replenish the soil. hence they are used in agriculture. and dairy industry.
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Answer 2

Nitrogen fixing bacteria are microorganisms present in the soil or in plant roots that change nitrogen gases from the atmosphere into solid nitrogen compounds that plants can use in the soil.  Secondary fermentation uses bacteria and its product is lactic acid and this causes the rise in level of acidity and its help in diary industry