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
Heating and subsequent plating is a method used for isolating? 
Select and explain. 
A. Corynebacterium, B. Vibrio, C. Salmonella, D. Clostridia
D: Clostridia
Answer: D: Clostridia 
Explanation: Clostridia are isolated by heating followed by plating using redox potential. REF:Textbook of microbiology, Ananthanarayan and Paniker. Page no.:252