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
Mesophilic organisms are those that grow best at temperature of - 
Select and explain. 
A. -20o C to -7o C, B. -7o C to +20oC, C. 25o C to 40o C, D. 55o C to 80o C
C: 25o C to 40o C
Answer: C: 25o C to 40o C 
Explanation: Bacteria which grow best at temperatures 25o C to 40o C are Mesophilic organisms Examples: Pseudomonas aeroginosa,gonococus Ref: Ananthanarayan & paniker's Textbook of Microbiology 9th edition pg no 25