1.

Which of the following statements is incorrect? (a) Pathogenic bacteria cause 90% of human diseases. (b) A large number of antibiotics are produced by Actinomycetes (e.g, Streptomyces), which are a Class of Fungi. (c) N2-fixing bacteria pick up free N2 from soil atmosphere and convert it into nitrogenous compounds. (d) Archaebacteria differ from other bacteria in having a different cell wall structure and this feature is responsible for their survival in extreme conditions

Answer»

(b) A large number of antibiotics are produced by Actinomycetes (e.g, Streptomyces), which are a Class of Fungi.



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