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
Drumstick appearence is seen in - 
Select and explain. 
A. Cl. tetani, B. Cl. Tetanomorphum, C. Cl. Sphenoids, D. All
A: Cl. tetani
Answer: A: Cl. tetani 
Explanation: None