This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
The 'String of pearl' colonies on nutrient agar is produced by: September 2004 
Select and explain. 
A. Klebsiella, B. Proteus, C. Bacillus, D. Salmonella
C: Bacillus
Answer: C: Bacillus 
Explanation: Ans. C i.e. Bacillus