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Q. The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones categorised as

NTA AbhyasNTA Abhyas 2022

Solution:

A maximum number of antibiotics are produced by mycelial bacteria known as actinomycetes, and most of the actinomycetes are saprotrophic (heterotrophic). Lactic acid bacteria that are used in the preparation of curd are also heterotrophic.