Question

Autotrophs meet their energy requirements through photosynthesis. They also need many of minerals for body building requirements. As most important mineral nitrogen play a significant role. Give an essential role of nitrogen as minerals. How do they get from the soil? (Nutrition)

Answer 1

Nitrogen is a constituent of a number of organic compounds like amino acids, proteins, nucleic acid, hormones, chlorophyll and many vitamins. Plants obtain nitrogen from soil as nitrate, ammonium and nitrite ions. Nitrate and nitrite are reduced to ammonium state which is then incorporated into amino acids, proteins and other organic substances.