Question

What are streptomycetes?
i) Soil inhibiting bacteria responsible for peculiar smell immediately post showers(rain).
ii) Bacteria that helps in fixing essential nutrients in soil.

• A. a) Only i
• B. b) Only ii
• C. c) Both i and ii
• D. d) None of the above

Answer 1

The correct option is A a) Only i

a)
Explanation:
1) These bacteria releases certain volatile chemical compounds(geosmin and 2 methyl isoborneol) that gives the peculiar smell
2) Streptomycetes are grouped under actinomycetes.
3) They are abundantly present in dry warm soil.
4) Smell can be felt on newly ploughed fields also.