Escherichia coli is a
  • A
    Gut bacterium
  • B
    Soil bacterium
  • C
    Thermal bacterium
  • D
    Both A and B

Solution

E. coli is a gram-negative facultative anaerobic rod-shaped coliform bacterium which is generally found as a flora of lower intestine of warm-blooded animal.
So, the correct answer is 'Gut bacterium'.