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
Naglers reaction is shown by - 
Select and explain. 
A. Cl. tetani, B. Cl. botulinum, C. Cl. perfringens, D. Cl. septicum
C: Cl. perfringens
Answer: C: Cl. perfringens 
Explanation: Ans. is 'c' i.e., Cl. perfringenes