Choose the correct match. (a) Photosynthetic autotrophs – Nutrient recycling (b) Chemosynthetic autotrophs – Nitrogen fixation (c) Heterotrophic bacteria – Production of antibiotics (d) Mycoplasma – Production of curd
Hence, option (c) is correct. Photosynthetic autotrophs like Nostoc and Anabaena , help in nitrogen fixation
