Question

Name the bacteria which are responsible for the odor of moist soil.

(a) Mycoplasma

(b) Borelia burgdorferi

(c) Streptomyces

(d) Cyanobacteria

I had been asked this question by my college professor while I was bunking the class.

I'm obligated to ask this question of Classification System topic in portion Prokaryotes and Viruses of Life Sciences

Answer 1

Right choice is (c) Streptomyces

To elaborate: Streptomyces belongs to the class of actinomycetes, which are strict aerobes, non-pathogenic and bear the nonmotile conidia. Streptomyces produces a volatile substance i.e. geosmin which gives an odor of moist soil.