<prompt> Choose the Non motile organism from the following-E. coliVibrio choleraProteus mirabilisShigella dysentery  <response>: Shigella are sho Gram negative rods , they are non motile non sporing and non capsulated . Fimbriae may be present The given image proves shigella is less motile and therefore does not show turbidity through out the medium Ref: Ananthanarayan panikers textbook of microbiology 9th edition page no 285 