This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: general microbiology, Subject name: Microbiology
Choose the Non motile organism from the following- 
Select and explain. 
A. E. coli, B. Vibrio cholera, C. Proteus mirabilis, D. Shigella dysentery
D: Shigella dysentery
Answer: D: Shigella dysentery 
Explanation: 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