Microorganism motile at 25degC but not motile at 37oC is:: (A) Listeria monocytogenes, (B) Campylobacter, (C) Streptococcus agalactiae, (D) E. coli
Answer is A. Listeria monocytogenes shows differential motility Motile at 25oC -tumbling motility Non motile at 37oC